This commit was manufactured by cvs2svn to create tag 'pymilter-0_9_8'.

Sprout from master 2013-03-14 22:11:26 UTC Stuart Gathman <stuart@gathman.org> 'Release 0.9.8' Cherrypick from bmsi 2005-05-31 18:10:47 UTC Stuart Gathman <stuart@gathman.org> 'Release 0.7.2': test/big5 test/bounce test/bounce1 test/bound test/honey test/missingboundary test/samp1 test/spam44 test/spam7 test/spam8 test/test1 test/test8 test/virus1 test/virus13 test/virus2 test/virus3 test/virus4 test/virus5 test/virus6 test/virus7
Release 0.9.8
2013-03-14 22:11:27 +00:00 · 2013-03-14 22:11:26 +00:00 · 2013-03-12 01:46:08 +00:00 · 2013-03-11 23:52:21 +00:00 · 2013-03-11 22:21:14 +00:00 · 2013-03-09 22:23:27 +00:00
61 changed files with 23753 additions and 6793 deletions
@@ -1,8 +1,8 @@
 		    GNU GENERAL PUBLIC LICENSE
 		       Version 2, June 1991

- Copyright (C) 1989, 1991 Free Software Foundation, Inc.
-                       59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 Everyone is permitted to copy and distribute verbatim copies
 of this license document, but changing it is not allowed.

@@ -15,7 +15,7 @@ software--to make sure the software is free for all its users.  This
 General Public License applies to most of the Free Software
 Foundation's software and to any other program whose authors commit to
 using it.  (Some other Free Software Foundation software is covered by
-the GNU Library General Public License instead.)  You can apply it to
+the GNU Lesser General Public License instead.)  You can apply it to
 your programs, too.

  When we speak of free software, we are referring to freedom, not
@@ -55,7 +55,7 @@ patent must be licensed for everyone's free use or not licensed at all.

  The precise terms and conditions for copying, distribution and
 modification follow.
-
+
 		    GNU GENERAL PUBLIC LICENSE
   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

@@ -110,7 +110,7 @@ above, provided that you also meet all of these conditions:
    License.  (Exception: if the Program itself is interactive but
    does not normally print such an announcement, your work based on
    the Program is not required to print an announcement.)
-
+
 These requirements apply to the modified work as a whole.  If
 identifiable sections of that work are not derived from the Program,
 and can be reasonably considered independent and separate works in
@@ -168,7 +168,7 @@ access to copy from a designated place, then offering equivalent
 access to copy the source code from the same place counts as
 distribution of the source code, even though third parties are not
 compelled to copy the source along with the object code.
-
+
  4. You may not copy, modify, sublicense, or distribute the Program
 except as expressly provided under this License.  Any attempt
 otherwise to copy, modify, sublicense or distribute the Program is
@@ -225,7 +225,7 @@ impose that choice.

 This section is intended to make thoroughly clear what is believed to
 be a consequence of the rest of this License.
-
+
  8. If the distribution and/or use of the Program is restricted in
 certain countries either by patents or by copyrighted interfaces, the
 original copyright holder who places the Program under this License
@@ -278,7 +278,7 @@ PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
 POSSIBILITY OF SUCH DAMAGES.

 		     END OF TERMS AND CONDITIONS
-
+
 	    How to Apply These Terms to Your New Programs

  If you develop a new program, and you want it to be of the greatest
@@ -303,10 +303,9 @@ the "copyright" line and a pointer to where the full notice is found.
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

 Also add information on how to contact you by electronic and paper mail.

@@ -336,5 +335,5 @@ necessary.  Here is a sample; alter the names:
 This General Public License does not permit incorporating your program into
 proprietary programs.  If your program is a subroutine library, you may
 consider it more useful to permit linking proprietary applications with the
-library.  If this is what you want to do, use the GNU Library General
+library.  If this is what you want to do, use the GNU Lesser General
 Public License instead of this License.
@@ -7,6 +7,15 @@ real, usable Python extension.

 Other contributors (in random order):

+
+Daniel Troeder
+  for pointing out a typo in @noreply
+arkanes@irc.freenode.net
+  for suggesting a class method to compute and cache protocol masks
+habnabit@habnabit.org
+  for suggesting function attributes and decorators for protocol negotiation
+Dwayne Litzenberger, B.A.Sc.
+  for library_dirs patch to compile on Debian 
 Dave MacQuigg 
  for noticing that smfi_insheader wasn't supported, and creating
  a template to help first time pymilter users create their own milter.
@@ -0,0 +1,214 @@
+# Revision 1.69  2006/11/04 22:09:39  customdesigned
+# Another lame DSN heuristic.  Block PTR cache poisoning attack.
+#
+# Revision 1.68  2006/10/04 03:46:01  customdesigned
+# Fix defaults.
+#
+# Revision 1.67  2006/10/01 01:44:06  customdesigned
+# case_sensitive_localpart option, more delayed bounce heuristics,
+# optional smart_alias section.
+#
+# Revision 1.66  2006/07/26 16:42:26  customdesigned
+# Support CBV timeout
+#
+# Revision 1.65  2006/06/21 22:22:00  customdesigned
+# Handle multi-line headers in delayed dsns.
+#
+# Revision 1.64  2006/06/21 21:12:04  customdesigned
+# More delayed reject token headers.
+# Don't require HELO pass for CBV.
+#
+# Revision 1.63  2006/05/21 03:41:44  customdesigned
+# Fail dsn
+#
+# Revision 1.61  2006/05/17 21:28:07  customdesigned
+# Create GOSSiP record only when connection will procede to DATA.
+#
+# Revision 1.60  2006/05/12 16:14:48  customdesigned
+# Don't require SPF pass for white/black listing mail from trusted relay.
+# Support localpart wildcard for white and black lists.
+#
+# Revision 1.59  2006/04/06 18:14:17  customdesigned
+# Check whitelist/blacklist even when not checking SPF (e.g. trusted relay).
+#
+# Revision 1.58  2006/03/10 20:52:49  customdesigned
+# Use re to recognize failure DSNs.
+#
+# Revision 1.57  2006/03/07 20:50:54  customdesigned
+# Use signed Message-ID in delayed reject to blacklist senders
+#
+# Revision 1.56  2006/02/24 02:12:54  customdesigned
+# Properly report hard PermError (lax mode fails also) by always setting
+# perm_error attribute with PermError exception.  Improve reporting of
+# invalid domain PermError.
+#
+# Revision 1.55  2006/02/17 05:04:29  customdesigned
+# Use SRS sign domain list.
+# Accept but do not use for training whitelisted senders without SPF pass.
+# Immediate rejection of unsigned bounces.
+#
+# Revision 1.54  2006/02/16 02:16:36  customdesigned
+# User specific SPF receiver policy.
+#
+# Revision 1.53  2006/02/12 04:15:01  customdesigned
+# Remove spf dependency for iniplist
+#
+# Revision 1.52  2006/02/12 02:12:08  customdesigned
+# Use CIDR notation for internal connect list.
+#
+# Revision 1.51  2006/02/12 01:13:58  customdesigned
+# Don't check rcpt user list when signed MFROM.
+#
+# Revision 1.50  2006/02/09 20:39:43  customdesigned
+# Use CIDR notation for trusted_relay iplist
+#
+# Revision 1.49  2006/01/30 23:14:48  customdesigned
+# put back eom condition
+#
+# Revision 1.48  2006/01/12 20:31:24  customdesigned
+# Accelerate training via whitelist and blacklist.
+#
+# Revision 1.47  2005/12/29 04:49:10  customdesigned
+# Do not auto-whitelist autoreplys
+#
+# Revision 1.46  2005/12/28 20:17:29  customdesigned
+# Expire and renew AddrCache entries
+#
+# Revision 1.45  2005/12/23 22:34:46  customdesigned
+# Put guessed result in separate header.
+#
+# Revision 1.44  2005/12/23 21:47:07  customdesigned
+# Move Received-SPF header to top.
+#
+# Revision 1.43  2005/12/09 16:54:01  customdesigned
+# Select neutral DSN template for best_guess
+#
+# Revision 1.42  2005/12/01 22:42:32  customdesigned
+# improve gossip support.
+# Initialize srs_domain from srs.srs config property.  Should probably
+# always block unsigned DSN when signing all.
+#
+# Revision 1.41  2005/12/01 18:59:25  customdesigned
+# Fix neutral policy.  pobox.com -> openspf.org
+#
+# Revision 1.40  2005/11/07 21:22:35  customdesigned
+# GOSSiP support, local database only.
+#
+# Revision 1.39  2005/10/31 00:04:58  customdesigned
+# Simple implementation of trusted_forwarder list.  Inefficient for
+# more than 1 or 2 entries.
+#
+# Revision 1.38  2005/10/28 19:36:54  customdesigned
+# Don't check internal_domains for trusted_relay.
+#
+# Revision 1.37  2005/10/28 09:30:49  customdesigned
+# Do not send quarantine DSN when sender is DSN.
+#
+# Revision 1.36  2005/10/23 16:01:29  customdesigned
+# Consider MAIL FROM a match for supply_sender when a subdomain of From or Sender
+#
+# Revision 1.35  2005/10/20 18:47:27  customdesigned
+# Configure auto_whitelist senders.
+#
+# Revision 1.34  2005/10/19 21:07:49  customdesigned
+# access.db stores keys in lower case
+#
+# Revision 1.33  2005/10/19 19:37:50  customdesigned
+# Train screener on whitelisted messages.
+#
+# Revision 1.32  2005/10/14 16:17:31  customdesigned
+# Auto whitelist refinements.
+#
+# Revision 1.31  2005/10/14 01:14:08  customdesigned
+# Auto whitelist feature.
+#
+# Revision 1.30  2005/10/12 16:36:30  customdesigned
+# Release 0.8.3
+#
+# Revision 1.29  2005/10/11 22:50:07  customdesigned
+# Always check HELO except for SPF pass, temperror.
+#
+# Revision 1.28  2005/10/10 23:50:20  customdesigned
+# Use logging module to make logging threadsafe (avoid splitting log lines)
+#
+# Revision 1.27  2005/10/10 20:15:33  customdesigned
+# Configure SPF policy via sendmail access file.
+#
+# Revision 1.26  2005/10/07 03:23:40  customdesigned
+# Banned users option.  Experimental feature to supply Sender when
+# missing and MFROM domain doesn't match From.  Log cipher bits for
+# SMTP AUTH.  Sketch access file feature.
+#
+# Revision 1.25  2005/09/08 03:55:08  customdesigned
+# Handle perverse MFROM quoting.
+#
+# Revision 1.24  2005/08/18 03:36:54  customdesigned
+# Don't innoculate with SCREENED mail.
+#
+# Revision 1.23  2005/08/17 19:35:27  customdesigned
+# Send DSN before adding message to quarantine.
+#
+# Revision 1.22  2005/08/11 22:17:58  customdesigned
+# Consider SMTP AUTH connections internal.
+#
+# Revision 1.21  2005/08/04 21:21:31  customdesigned
+# Treat fail like softfail for selected (braindead) domains.
+# Treat mail according to extended processing results, but
+# report any PermError that would officially result via DSN.
+#
+# Revision 1.20  2005/08/02 18:04:35  customdesigned
+# Keep screened honeypot mail, but optionally discard honeypot only mail.
+#
+# Revision 1.19  2005/07/20 03:30:04  customdesigned
+# Check pydspam version for honeypot, include latest pyspf changes.
+#
+# Revision 1.18  2005/07/17 01:25:44  customdesigned
+# Log as well as use extended result for best guess.
+#
+# Revision 1.17  2005/07/15 20:25:36  customdesigned
+# Use extended results processing for best_guess.
+#
+# Revision 1.16  2005/07/14 03:23:33  customdesigned
+# Make SES package optional.  Initial honeypot support.
+#
+# Revision 1.15  2005/07/06 04:05:40  customdesigned
+# Initial SES integration.
+#
+# Revision 1.14  2005/07/02 23:27:31  customdesigned
+# Don't match hostnames for internal connects.
+#
+# Revision 1.13  2005/07/01 16:30:24  customdesigned
+# Always log trusted Received and Received-SPF headers.
+#
+# Revision 1.12  2005/06/20 22:35:35  customdesigned
+# Setreply for rejectvirus.
+#
+# Revision 1.11  2005/06/17 02:07:20  customdesigned
+# Release 0.8.1
+#
+# Revision 1.10  2005/06/16 18:35:51  customdesigned
+# Ignore HeaderParseError decoding header
+#
+# Revision 1.9  2005/06/14 21:55:29  customdesigned
+# Check internal_domains for outgoing mail.
+#
+# Revision 1.8  2005/06/06 18:24:59  customdesigned
+# Properly log exceptions from pydspam
+#
+# Revision 1.7  2005/06/04 19:41:16  customdesigned
+# Fix bugs from testing RPM
+#
+# Revision 1.6  2005/06/03 04:57:05  customdesigned
+# Organize config reader by section.  Create defang section.
+#
+# Revision 1.5  2005/06/02 15:00:17  customdesigned
+# Configure banned extensions.  Scan zipfile option with test case.
+#
+# Revision 1.4  2005/06/02 04:18:55  customdesigned
+# Update copyright notices after reading article on /.
+#
+# Revision 1.3  2005/06/02 02:09:00  customdesigned
+# Record timestamp in send_dsn.log
+#
+# Revision 1.2  2005/06/02 01:00:36  customdesigned
+# Support configurable templates for DSNs.
@@ -1,136 +0,0 @@
-	Step one.  Which DSPAM is right for you?
-
-The DSPAM project makes dspam part of the LDA (Local Delivery Agent).
-Pydspam puts dspam into the MTA (Mail Transfer Agent - sendmail with pymilter).
-
-The advantage of doing dspam in the LDA is that any aliasing has already been
-resolved.  You need only configure mailboxes.
-
-The advantage of doing dspam in the MTA is it can screen an entire 
-company as a gateway with multiple domains.  Unfortunately, this
-means you have to tell it about all the aliases that comprise each
-account.  (Also, pydspam is still uses dspam-2.6.5.2 - the Dspam API
-has changed for newer versions.)
-
-If the LDA is right for you, you'll want to use the official Dspam 
-package.  http://www.nuclearelephant.com/projects/dspam/
-
-If the MTA approach is what you want, then pydspam is what you want.
-
-In either case, you will still want pymilter to block forgeries, Windows 
-executables, etc.
-
-So, lets assume you want to install pymilter, and may or may not
-wish to install pydspam.
-
-	Step two.  Obtaining RPMS.
-
-For basic pymilter you'll need:
-
-python-2.4
-milter-0.8.2	(the RH9 rpm should work on Fedora Core - let me know)
-sendmail-8.13.x	(with milter support enabled)
-
-and for SPF you'll need:
-
-pydns-2.3.0-2.4
-
-and for SRS you'll need:
-
-pysrs-0.30.9-1.py24
-
-I'm pretty sure you will want to have SPF and SRS available.
-
-	Step three.  Activate basic milter.
-
-Activate the basic milter by editing /etc/mail/sendmail.mc and adding:
-
-INPUT_MAIL_FILTER(`pythonfilter', `S=local:/var/run/milter/pythonsock, F=T, T=C:5m;S:20s;R:5m;E:5m')
-
-You can then "make sendmail.cf" and restart sendmail.
-
-Tail /var/log/milter/milter.log while SMTP clients connect to your
-sendmail instance.  This should show you what the milter is doing.
-
-By default, milter-0.8.2 rejects on SPF fail, except for listed domains
-(that are known to be broken).  Some admins don't like that, and 0.8.3 will use
-the /etc/mail/access database to configure SPF responses.  For now,
-if you don't like SPF, you can disable spf by replacing "import spf"
-with "spf = None" around line 285 in /var/log/milter/bms.py.
-
-	Step four.  Tweaking the basic config.
-
-Most pymilter configuration is in /etc/mail/pymilter.cfg.
-
-By default, milter scans attachments for executable extensions.  You can
-turn this off by setting banned_exts to the empty list.  There are options
-to scan ZIP attachments and rfc822 attachments.  When it finds a banned
-file type, milter saves the original message in /var/log/milter/save,
-and replaces the attachment with a plain text warning message.
-
-Configure hello_blacklist with your own helo name and domains - which
-you know cannot legitimately be used by external MTAs.
-
-Configure trusted_relay with your secondary MX servers, if any.  These
-should also run pymilter with similar policies.  (But this isn't
-needed for initial testing.)
-
-Configure internal_connect with subnets of your internal SMTP clients.
-Internal connections skip SPF testing and other policies.
-
-Configure internal_domains with domains used by your internal SMTP clients.
-If they attempt to use any other domain, the attempt is blocked and the
-client is logged as a "zombie".  Conversely, any attempt by an external
-MTA to use one of your internal domains is treated as a forgery and
-blocked (a simplified form of local SPF).
-
-Adjust porn_words and spam_words - these block emails with a Subject
-containing the listed strings.  They can be empty to disable Subject
-string blocking.
-
-	Advanced SPF configuration.
-
-The sendmail access file, or another readonly database with that
-format, can be used for detail spf policy.  SPF access policy
-record are tagged with "SPF-{Result}:".  Results are
-Pass, Neutral, Softfail, Fail, PermError.  Currently supported
-policy keywords are OK, CBV, REJECT.  Currently, TempError always
-results in TEMPFAIL.
-
-The default policies are set in pymilter.cfg.  The defaults
-if none of the config options are set are as follows:
-
-SPF-Fail:	REJECT
-SPF-Softfail:	CBV
-SPF-Neutral:	OK
-SPF-PermError:	REJECT
-SPF-Pass:	OK
-
-The tag may be followed by a specific domain.  For instance, to
-require a Pass from aol.com:
-
-SPF-Neutral:aol.com	REJECT
-SPF-Softfail:aol.com	REJECT
-
-The CBV policy requires a valid HELO name.  If the EHLO name is 
-RFC2822 compliant, then a DSN is sent to the alleged sender.  The 
-template for the DSN is selected according to the SPF result:
-
-Fail:		softfail.txt
-SoftFail:	softfail.txt
-Neutral:	neutral.txt
-PermError:	permerror.txt
-None:		strike3.txt
-
-An SPF-Pass is always accepted by the milter.  Domains can be blacklisted 
-via sendmail in the access file or via a RHS DNS blacklist.
-
-	To be continued.
-
-Forthcoming topics:
-
-SRS config
-
-
-pydspam config
-wiretap config
@@ -1,28 +1,17 @@
 include COPYING
 include TODO
 include NEWS
-include HOWTO
 include CREDITS
 include README
+include ChangeLog
 include MANIFEST.in
 include testsample.py
 include testmime.py
-include testbms.py
-include testdspam.py
-include rejects.py
-include bms.py
-include spf.py
-include cid2spf.py
-include spfquery.py
+include testutils.py
 include test.py
 include sample.py
+include milter-template.py
 include test/*
 include Milter/*.py
 include *.spec
 include start.sh
-include milter.rc
-include milter.rc7
-include milter.cfg
-include rhsbl.m4
-include *.txt
-include *.html
@@ -1,28 +1,34 @@
-# Author: Stuart D. Gathman <stuart@bmsi.com>
-# Copyright 2001 Business Management Systems, Inc.
+## @package Milter
+# A thin OO wrapper for the milter module.
+#
+# Clients generally subclass Milter.Base and define callback
+# methods.
+#
+# @author Stuart D. Gathman <stuart@bmsi.com>
+# Copyright 2001,2009 Business Management Systems, Inc.
 # This code is under the GNU General Public License.  See COPYING for details.

-# A thin OO wrapper for the milter module
+__version__ = '0.9.8'

 import os
+import re
 import milter
 import thread

-from milter import ACCEPT,CONTINUE,REJECT,DISCARD,TEMPFAIL,	\
-  set_flags, setdbg, setbacklog, settimeout, \
-  ADDHDRS, CHGBODY, ADDRCPT, DELRCPT, CHGHDRS,	\
-  V1_ACTS, V2_ACTS, CURR_ACTS
-
-try: from milter import QUARANTINE
-except: pass
-
-__version__ = '0.8.4'
+from milter import *
+from functools import wraps

 _seq_lock = thread.allocate_lock()
 _seq = 0

+## @fn set_flags(flags)
+# @brief Enable optional %milter actions.
+# Certain %milter actions need to be enabled before calling milter.runmilter()
+# or they throw an exception. 
+# @param flags Bit ored mask of optional actions to enable
+
 def uniqueID():
-  """Return a sequence number unique to this process.
+  """Return a unique sequence number (incremented on each call).
  """
  global _seq
  _seq_lock.acquire()
@@ -30,30 +36,572 @@ def uniqueID():
  _seq_lock.release()
  return seqno

-class Milter:
-  """A simple class interface to the milter module.
-  """
+## @private
+OPTIONAL_CALLBACKS = {
+  'connect':(P_NR_CONN,P_NOCONNECT),
+  'hello':(P_NR_HELO,P_NOHELO),
+  'envfrom':(P_NR_MAIL,P_NOMAIL),
+  'envrcpt':(P_NR_RCPT,P_NORCPT),
+  'data':(P_NR_DATA,P_NODATA),
+  'unknown':(P_NR_UNKN,P_NOUNKNOWN),
+  'eoh':(P_NR_EOH,P_NOEOH),
+  'body':(P_NR_BODY,P_NOBODY),
+  'header':(P_NR_HDR,P_NOHDRS)
+}
+
+## @private
+R = re.compile(r'%+')
+
+## @private
+def decode_mask(bits,names):
+  t = [ (s,getattr(milter,s)) for s in names]
+  nms = [s for s,m in t if bits & m]
+  for s,m in t: bits &= ~m
+  if bits: nms += hex(bits)
+  return nms
+
+## Class decorator to enable optional protocol steps.
+# P_SKIP is enabled by default when supported, but
+# applications may wish to enable P_HDR_LEADSPC
+# to send and receive the leading space of header continuation
+# lines unchanged, and/or P_RCPT_REJ to have recipients 
+# detected as invalid by the MTA passed to the envcrpt callback.
+#
+# Applications may want to check whether the protocol is actually
+# supported by the MTA in use.  Base._protocol
+# is a bitmask of protocol options negotiated.  So,
+# for instance, if <code>self._protocol & Milter.P_RCPT_REJ</code>
+# is true, then that feature was successfully negotiated with the MTA
+# and the application will see recipients the MTA has flagged as invalid.
+# 
+# Sample use:
+# <pre>
+# class myMilter(Milter.Base):
+#   def envrcpt(self,to,*params):
+#     return Milter.CONTINUE
+# myMilter = Milter.enable_protocols(myMilter,Milter.P_RCPT_REJ)
+# </pre>
+# @since 0.9.3
+# @param klass the %milter application class to modify
+# @param mask a bitmask of protocol steps to enable
+# @return the modified %milter class
+def enable_protocols(klass,mask):
+  klass._protocol_mask = klass.protocol_mask() & ~mask
+  return klass
+
+## Milter rejected recipients. A class decorator that calls
+# enable_protocols() with the P_RCPT_REJ flag.  By default, the MTA
+# does not pass recipients that it knows are invalid on to the milter.
+# This decorator enables a %milter app to see all recipients if supported
+# by the MTA.  Use like this with python-2.6 and later:
+# <pre>
+# @@Milter.rejected_recipients
+# class myMilter(Milter.Base):
+#   def envrcpt(self,to,*params):
+#     return Milter.CONTINUE
+# </pre>
+# @since 0.9.5
+# @param klass the %milter application class to modify
+# @return the modified %milter class
+def rejected_recipients(klass):
+  return enable_protocols(klass,P_RCPT_REJ)
+
+## Milter leading space on headers. A class decorator that calls
+# enable_protocols() with the P_HEAD_LEADSPC flag.  By default,
+# header continuation lines are collected and joined before getting
+# sent to a milter.  Headers modified or added by the milter are
+# folded by the MTA as necessary according to its own standards.
+# With this flag, header continuation lines are preserved
+# with their newlines and leading space.  In addition, header folding
+# done by the milter is preserved as well.
+# Use like this with python-2.6 and later:
+# <pre>
+# @@Milter.header_leading_space
+# class myMilter(Milter.Base):
+#   def header(self,hname,value):
+#     return Milter.CONTINUE
+# </pre>
+# @since 0.9.5
+# @param klass the %milter application class to modify
+# @return the modified %milter class
+def header_leading_space(klass):
+  return enable_protocols(klass,P_HEAD_LEADSPC)
+
+## Function decorator to disable callback methods.
+# If the MTA supports it, tells the MTA not to invoke this callback,
+# increasing efficiency.  All the callbacks (except negotiate)
+# are disabled in Milter.Base, and overriding them reenables the
+# callback.  An application may need to use @@nocallback when it extends
+# another %milter and wants to disable a callback again.
+# The disabled method should still return Milter.CONTINUE, in case the MTA does
+# not support protocol negotiation, and for when called from a test harness.
+# @since 0.9.2
+def nocallback(func):
+  try:
+    func.milter_protocol = OPTIONAL_CALLBACKS[func.__name__][1]
+  except KeyError:
+    raise ValueError(
+      '@nocallback applied to non-optional method: '+func.__name__)
+  def wrapper(self,*args):
+    if func(self,*args) != CONTINUE:
+      raise RuntimeError('%s return code must be CONTINUE with @nocallback'
+        % func.__name__)
+    return CONTINUE
+  return wrapper
+
+## Function decorator to disable callback reply.
+# If the MTA supports it, tells the MTA not to wait for a reply from
+# this callback, and assume CONTINUE.  The method should still return
+# CONTINUE in case the MTA does not support protocol negotiation.
+# The decorator arranges to change the return code to NOREPLY 
+# when supported by the MTA.
+# @since 0.9.2
+def noreply(func):
+  try:
+    nr_mask = OPTIONAL_CALLBACKS[func.__name__][0]
+  except KeyError:
+    raise ValueError(
+      '@noreply applied to non-optional method: '+func.__name__)
+  @wraps(func)
+  def wrapper(self,*args):
+    rc = func(self,*args)
+    if self._protocol & nr_mask:
+      if rc != CONTINUE:
+        raise RuntimeError('%s return code must be CONTINUE with @noreply'
+	  % func.__name__)
+      return NOREPLY
+    return rc
+  wrapper.milter_protocol = nr_mask
+  return wrapper
+
+## Disabled action exception.
+# set_flags() can tell the MTA that this application will not use certain
+# features (such as CHGFROM).  This can also be negotiated for each
+# connection in the negotiate callback.  If the application then calls
+# the feature anyway via an instance method, this exception is
+# thrown.
+# @since 0.9.2
+class DisabledAction(RuntimeError):
+  pass
+
+## A do "nothing" Milter base class representing an SMTP connection.
+#
+# Python milters should derive from this class
+# unless they are using the low level milter module directly.  
+#
+# Most of the methods are either "actions" or "callbacks".  Callbacks
+# are invoked by the MTA at certain points in the SMTP protocol.  For
+# instance when the HELO command is seen, the MTA calls the helo
+# callback before returning a response code.  All callbacks must
+# return one of these constants: CONTINUE, TEMPFAIL, REJECT, ACCEPT,
+# DISCARD, SKIP.  The NOREPLY response is supplied automatically by
+# the @@noreply decorator if negotiation with the MTA is successful.
+# @@noreply and @@nocallback methods should return CONTINUE for two reasons:
+# the MTA may not support negotiation, and the class may be running in a test
+# harness.
+# 
+# Optional callbacks are disabled with the @@nocallback decorator, and
+# automatically reenabled when overridden.  Disabled callbacks should
+# still return CONTINUE for testing and MTAs that do not support
+# negotiation.  
+
+# Each SMTP connection to the MTA calls the factory method you provide to
+# create an instance derived from this class.  This is typically the
+# constructor for a class derived from Base.  The _setctx() method attaches
+# the instance to the low level milter.milterContext object.  When the SMTP
+# connection terminates, the close callback is called, the low level connection
+# object is destroyed, and this normally causes instances of this class to be
+# garbage collected as well.  The close() method should release any global
+# resources held by instances.
+# @since 0.9.2
+class Base(object):
+  "The core class interface to the %milter module."
+
+  ## Attach this Milter to the low level milter.milterContext object.
  def _setctx(self,ctx):
-    self.__ctx = ctx
+    ## The low level @ref milter.milterContext object.
+    self._ctx = ctx
+    ## A bitmask of actions this connection has negotiated to use.
+    # By default, all actions are enabled.  High throughput milters
+    # may want to disable unused actions to increase efficiency.
+    # Some optional actions may be disabled by calling milter.set_flags(), or
+    # by overriding the negotiate callback.  The bits include:
+    # <code>ADDHDRS,CHGBODY,MODBODY,ADDRCPT,ADDRCPT_PAR,DELRCPT
+    #  CHGHDRS,QUARANTINE,CHGFROM,SETSYMLIST</code>.
+    # The <code>Milter.CURR_ACTS</code> bitmask is all actions
+    # known when the milter module was compiled.
+    # Application code can also inspect this field to determine
+    # which actions are available.  This is especially useful in
+    # generic library code designed to work in multiple milters.
+    # @since 0.9.2
+    #
+    self._actions = CURR_ACTS         # all actions enabled by default
+    ## A bitmask of protocol options this connection has negotiated.
+    # An application may inspect this
+    # variable to determine which protocol steps are supported.  Options
+    # of interest to applications: the SKIP result code is allowed
+    # only if the P_SKIP bit is set, rejected recipients are passed to the
+    # %milter application only if the P_RCPT_REJ bit is set, and
+    # header values are sent and received with leading spaces (in the
+    # continuation lines) intact if the P_HDR_LEADSPC bit is set (so
+    # that the application can customize indenting).  
+    #
+    # The P_N* bits should be negotiated via the @@noreply and @@nocallback
+    # method decorators, and P_RCPT_REJ, P_HDR_LEADSPC should
+    # be enabled using the enable_protocols class decorator.
+    #
+    # The bits include: <code>
+    # P_RCPT_REJ P_NR_CONN P_NR_HELO P_NR_MAIL P_NR_RCPT P_NR_DATA P_NR_UNKN
+    # P_NR_EOH P_NR_BODY P_NR_HDR P_NOCONNECT P_NOHELO P_NOMAIL P_NORCPT
+    # P_NODATA P_NOUNKNOWN P_NOEOH P_NOBODY P_NOHDRS P_HDR_LEADSPC P_SKIP
+    # </code> (all under the Milter namespace).
+    # @since 0.9.2
+    self._protocol = 0                # no protocol options by default
    if ctx:
      ctx.setpriv(self)

-  # user replaceable callbacks
+  ## Defined by subclasses to write log messages.
+  def log(self,*msg): pass
+  ## Called for each connection to the MTA.  Called by the
+  # <a href="https://www.milter.org/developers/api/xxfi_connect">
+  # xxfi_connect</a> callback.  
+  # The <code>hostname</code> provided by the local MTA is either
+  # the PTR name or the IP in the form "[1.2.3.4]" if no PTR is available.
+  # The format of hostaddr depends on the socket family:
+  # <dl>
+  # <dt><code>socket.AF_INET</code>
+  # <dd>A tuple of (IP as string in dotted quad form, integer port)
+  # <dt><code>socket.AF_INET6</code>
+  # <dd>A tuple of (IP as a string in standard representation,
+  # integer port, integer flow info, integer scope id)
+  # <dt><code>socket.AF_UNIX</code>
+  # <dd>A string with the socketname
+  # </dl>
+  # To vary behavior based on what port the client connected to,
+  # for example skipping blacklist checks for port 587 (which must 
+  # be authenticated), use @link #getsymval getsymval('{daemon_port}') @endlink.
+  # The <code>{daemon_port}</code> macro must be enabled in sendmail.cf
+  # <pre>
+  # O Milter.macros.connect=j, _, {daemon_name}, {daemon_port}, {if_name}, {if_addr}
+  # </pre>
+  # or sendmail.mc
+  # <pre>
+  # define(`confMILTER_MACROS_CONNECT', ``j, _, {daemon_name}, {daemon_port}, {if_name}, {if_addr}'')dnl
+  # </pre>
+  # @param hostname the PTR name or bracketed IP of the SMTP client
+  # @param family <code>socket.AF_INET</code>, <code>socket.AF_INET6</code>,
+  #     or <code>socket.AF_UNIX</code>
+  # @param hostaddr a tuple or string with peer IP or socketname
+  @nocallback
+  def connect(self,hostname,family,hostaddr): return CONTINUE
+  ## Called when the SMTP client says HELO.
+  # Returning REJECT prevents progress until a valid HELO is provided;
+  # this almost always results in terminating the connection.
+  @nocallback
+  def hello(self,hostname): return CONTINUE
+  ## Called when the SMTP client says MAIL FROM. Called by the
+  # <a href="https://www.milter.org/developers/api/xxfi_envfrom">
+  # xxfi_envfrom</a> callback.  
+  # Returning REJECT rejects the message, but not the connection.
+  # The sender is the "envelope" from as defined by
+  # <a href="http://tools.ietf.org/html/rfc5321">RFC 5321</a>.
+  # For the From: header (author) defined in 
+  # <a href="http://tools.ietf.org/html/rfc5322">RFC 5322</a>,
+  # see @link #header the header callback @endlink.
+  @nocallback
+  def envfrom(self,f,*str): return CONTINUE
+  ## Called when the SMTP client says RCPT TO. Called by the
+  # <a href="https://www.milter.org/developers/api/xxfi_envrcpt">
+  # xxfi_envrcpt</a> callback.
+  # Returning REJECT rejects the current recipient, not the entire message.
+  # The recipient is the "envelope" recipient as defined by 
+  # <a href="http://tools.ietf.org/html/rfc5321">RFC 5321</a>.
+  # For recipients defined in 
+  # <a href="http://tools.ietf.org/html/rfc5322">RFC 5322</a>, 
+  # for example To: or Cc:, see @link #header the header callback @endlink.
+  @nocallback
+  def envrcpt(self,to,*str): return CONTINUE
+  ## Called when the SMTP client says DATA.
+  # Returning REJECT rejects the message without wasting bandwidth
+  # on the unwanted message.
+  # @since 0.9.2
+  @nocallback
+  def data(self): return CONTINUE
+  ## Called for each header field in the message body.
+  @nocallback
+  def header(self,field,value): return CONTINUE
+  ## Called at the blank line that terminates the header fields.
+  @nocallback
+  def eoh(self): return CONTINUE
+  ## Called to supply the body of the message to the Milter by chunks.
+  # @param blk a block of message bytes
+  @nocallback
+  def body(self,blk): return CONTINUE
+  ## Called when the SMTP client issues an unknown command.
+  # @param cmd the unknown command
+  # @since 0.9.2
+  @nocallback
+  def unknown(self,cmd): return CONTINUE
+  ## Called at the end of the message body.
+  # Most of the message manipulation actions can only take place from
+  # the eom callback.
+  def eom(self): return CONTINUE
+  ## Called when the connection is abnormally terminated.
+  # The close callback is still called also.
+  def abort(self): return CONTINUE
+  ## Called when the connection is closed.
+  def close(self): return CONTINUE
+
+  ## Return mask of SMFIP_N* protocol option bits to clear for this class
+  # The @@nocallback and @@noreply decorators set the
+  # <code>milter_protocol</code> function attribute to the protocol mask bit to
+  # pass to libmilter, causing that callback or its reply to be skipped.
+  # Overriding a method creates a new function object, so that 
+  # <code>milter_protocol</code> defaults to 0.
+  # Libmilter passes the protocol bits that the current MTA knows
+  # how to skip.  We clear the ones we don't want to skip.
+  # The negation is somewhat mind bending, but it is simple.
+  # @since 0.9.2
+  @classmethod
+  def protocol_mask(klass):
+    try:
+      return klass._protocol_mask
+    except AttributeError:
+      p = P_RCPT_REJ | P_HDR_LEADSPC    # turn these new features off by default
+      for func,(nr,nc) in OPTIONAL_CALLBACKS.items():
+        func = getattr(klass,func)
+        ca = getattr(func,'milter_protocol',0)
+        #print func,hex(nr),hex(nc),hex(ca)
+        p |= (nr|nc) & ~ca
+      klass._protocol_mask = p
+      return p
+    
+  ## Negotiate milter protocol options.  Called by the
+  # <a href="https://www.milter.org/developers/api/xxfi_negotiate">
+  # xffi_negotiate</a> callback.  This is an advanced callback,
+  # do not override unless you know what you are doing.  Most
+  # negotiation can be done simply by using the supplied 
+  # class and function decorators.
+  # Options are passed as 
+  # a list of 4 32-bit ints which can be modified and are passed
+  # back to libmilter on return.
+  # Default negotiation sets P_NO* and P_NR* for callbacks
+  # marked @@nocallback and @@noreply respectively, leaves all
+  # actions enabled, and enables Milter.SKIP.  The @@enable_protocols
+  # class decorator can customize which protocol steps are implemented.
+  # @param opts a modifiable list of 4 ints with negotiated options
+  # @since 0.9.2
+  def negotiate(self,opts):
+    try:
+      self._actions,p,f1,f2 = opts
+      opts[1] = self._protocol = p & ~self.protocol_mask()
+      opts[2] = 0
+      opts[3] = 0
+      #self.log("Negotiated:",opts)
+    except:
+      # don't change anything if something went wrong
+      return ALL_OPTS 
+    return CONTINUE
+
+  # Milter methods which can be invoked from most callbacks
+
+  ## Return the value of an MTA macro.  Sendmail macro names
+  # are either single chars (e.g. "j") or multiple chars enclosed
+  # in braces (e.g. "{auth_type}").  Macro names are MTA dependent.
+  # See <a href="https://www.milter.org/developers/api/smfi_getsymval">
+  # smfi_getsymval</a> for default sendmail macros.
+  # @param sym the macro name
+  def getsymval(self,sym):
+    return self._ctx.getsymval(sym)
+
+  ## Set the SMTP reply code and message.
+  # If the MTA does not support setmlreply, then only the
+  # first msg line is used.  Any '%%' in a message line
+  # must be doubled, or libmilter will silently ignore the setreply.
+  # Beginning with 0.9.6, we test for that case and throw ValueError to avoid
+  # head scratching.  What will <i>really</i> irritate you, however,
+  # is that if you carefully double any '%%', your message will be
+  # sent - but with the '%%' still doubled!
+  # See <a href="https://www.milter.org/developers/api/smfi_setreply">
+  # smfi_setreply</a> for more information.
+  # @param rcode The three-digit (RFC 821/2821) SMTP reply code as a string. 
+  # rcode cannot be None, and <b>must be a valid 4XX or 5XX reply code</b>.
+  # @param xcode The extended (RFC 1893/2034) reply code. If xcode is None,
+  # no extended code is used. Otherwise, xcode must conform to RFC 1893/2034.
+  # @param msg The text part of the SMTP reply. If msg is None,
+  # an empty message is used.
+  # @param ml  Optional additional message lines.
+  def setreply(self,rcode,xcode=None,msg=None,*ml):
+    for m in (msg,)+ml:
+      if 1 in [len(s)&1 for s in R.findall(m)]:
+        raise ValueError("'%' must be doubled: "+m)
+    return self._ctx.setreply(rcode,xcode,msg,*ml)
+
+  ## Tell the MTA which macro names will be used.
+  # This information can reduce the size of messages received from sendmail,
+  # and hence could reduce bandwidth between sendmail and your milter where
+  # that is a factor.  The <code>Milter.SETSYMLIST</code> action flag must be
+  # set.  The protocol stages are M_CONNECT, M_HELO, M_ENVFROM, M_ENVRCPT,
+  # M_DATA, M_EOM, M_EOH.
+  #
+  # May only be called from negotiate callback.
+  # @since 0.9.8, previous version was misspelled!
+  # @param stage the protocol stage to set to macro list for, 
+  # one of the M_* constants defined in Milter
+  # @param macros space separated and/or lists of strings
+  def setsymlist(self,stage,*macros):
+    if not self._actions & SETSYMLIST: raise DisabledAction("SETSYMLIST")
+    a = []
+    for m in macros:
+      try:
+        m = m.encode('utf8')
+      except: pass
+      try:
+        m = m.split(' ')
+      except: pass
+      a += m
+    return self._ctx.setsmlist(stage,' '.join(a))
+
+  # Milter methods which can only be called from eom callback.
+
+  ## Add a mail header field.
+  # Calls <a href="https://www.milter.org/developers/api/smfi_addheader">
+  # smfi_addheader</a>.  
+  # The <code>Milter.ADDHDRS</code> action flag must be set.
+  #
+  # May be called from eom callback only.
+  # @param field        the header field name
+  # @param value        the header field value
+  # @param idx header field index from the top of the message to insert at
+  # @throws DisabledAction if ADDHDRS is not enabled
+  def addheader(self,field,value,idx=-1):
+    if not self._actions & ADDHDRS: raise DisabledAction("ADDHDRS")
+    return self._ctx.addheader(field,value,idx)
+
+  ## Change the value of a mail header field.
+  # Calls <a href="https://www.milter.org/developers/api/smfi_chgheader">
+  # smfi_chgheader</a>.  
+  # The <code>Milter.CHGHDRS</code> action flag must be set.
+  #
+  # May be called from eom callback only.
+  # @param field the name of the field to change
+  # @param idx index of the field to change when there are multiple instances
+  # @param value the new value of the field
+  # @throws DisabledAction if CHGHDRS is not enabled
+  def chgheader(self,field,idx,value):
+    if not self._actions & CHGHDRS: raise DisabledAction("CHGHDRS")
+    return self._ctx.chgheader(field,idx,value)
+
+  ## Add a recipient to the message.  
+  # Calls <a href="https://www.milter.org/developers/api/smfi_addrcpt">
+  # smfi_addrcpt</a>.  
+  # If no corresponding mail header is added, this is like a Bcc.
+  # The syntax of the recipient is the same as used in the SMTP
+  # RCPT TO command (and as delivered to the envrcpt callback), for example
+  # "self.addrcpt('<foo@example.com>')".  
+  # The <code>Milter.ADDRCPT</code> action flag must be set.
+  # If the optional <code>params</code> argument is used, then
+  # the <code>Milter.ADDRCPT_PAR</code> action flag must be set.
+  #
+  # May be called from eom callback only.
+  # @param rcpt the message recipient 
+  # @param params an optional list of ESMTP parameters
+  # @throws DisabledAction if ADDRCPT or ADDRCPT_PAR is not enabled 
+  def addrcpt(self,rcpt,params=None):
+    if not self._actions & ADDRCPT: raise DisabledAction("ADDRCPT")
+    if params and not self._actions & ADDRCPT_PAR:
+        raise DisabledAction("ADDRCPT_PAR")
+    return self._ctx.addrcpt(rcpt,params)
+  ## Delete a recipient from the message.
+  # Calls <a href="https://www.milter.org/developers/api/smfi_delrcpt">
+  # smfi_delrcpt</a>.  
+  # The recipient should match one passed to the envrcpt callback.
+  # The <code>Milter.DELRCPT</code> action flag must be set.
+  #
+  # May be called from eom callback only.
+  # @param rcpt the message recipient to delete
+  # @throws DisabledAction if DELRCPT is not enabled
+  def delrcpt(self,rcpt):
+    if not self._actions & DELRCPT: raise DisabledAction("DELRCPT")
+    return self._ctx.delrcpt(rcpt)
+
+  ## Replace the message body.
+  # Calls <a href="https://www.milter.org/developers/api/smfi_replacebody">
+  # smfi_replacebody</a>.  
+  # The entire message body must be replaced.  
+  # Call repeatedly with blocks of data until the entire body is transferred.
+  # The <code>Milter.MODBODY</code> action flag must be set.
+  #
+  # May be called from eom callback only.
+  # @param body a chunk of body data
+  # @throws DisabledAction if MODBODY is not enabled
+  def replacebody(self,body):
+    if not self._actions & MODBODY: raise DisabledAction("MODBODY")
+    return self._ctx.replacebody(body)
+
+  ## Change the SMTP envelope sender address.
+  # Calls <a href="https://www.milter.org/developers/api/smfi_chgfrom">
+  # smfi_chgfrom</a>.  
+  # The syntax of the sender is that same as used in the SMTP
+  # MAIL FROM command (and as delivered to the envfrom callback),
+  # for example <code>self.chgfrom('<bar@example.com>')</code>.
+  # The <code>Milter.CHGFROM</code> action flag must be set.
+  #
+  # May be called from eom callback only.
+  # @since 0.9.1
+  # @param sender the new sender address
+  # @param params an optional list of ESMTP parameters
+  # @throws DisabledAction if CHGFROM is not enabled
+  def chgfrom(self,sender,params=None):
+    if not self._actions & CHGFROM: raise DisabledAction("CHGFROM")
+    return self._ctx.chgfrom(sender,params)
+
+  ## Quarantine the message.
+  # Calls <a href="https://www.milter.org/developers/api/smfi_quarantine">
+  # smfi_quarantine</a>.  
+  # When quarantined, a message goes into the mailq as if to be delivered,
+  # but delivery is deferred until the message is unquarantined.
+  # The <code>Milter.QUARANTINE</code> action flag must be set.
+  #
+  # May be called from eom callback only.
+  # @param reason a string describing the reason for quarantine
+  # @throws DisabledAction if QUARANTINE is not enabled
+  def quarantine(self,reason):
+    if not self._actions & QUARANTINE: raise DisabledAction("QUARANTINE")
+    return self._ctx.quarantine(reason)
+
+  ## Tell the MTA to wait a bit longer.
+  # Calls <a href="https://www.milter.org/developers/api/smfi_progress">
+  # smfi_progress</a>.  
+  # Resets timeouts in the MTA that detect a "hung" milter.
+  def progress(self):
+    return self._ctx.progress()
+  
+## A logging but otherwise do nothing Milter base class.
+# This is included for compatibility with previous versions of pymilter.
+# The logging callbacks are marked @@noreply.
+class Milter(Base):
+  "A simple class interface to the milter module."
+
+  ## Provide simple logging to sys.stdout
  def log(self,*msg):
    print 'Milter:',
    for i in msg: print i,
    print

+  @noreply
  def connect(self,hostname,family,hostaddr):
    "Called for each connection to sendmail."
    self.log("connect from %s at %s" % (hostname,hostaddr))
    return CONTINUE

+  @noreply
  def hello(self,hostname):
    "Called after the HELO command."
    self.log("hello from %s" % hostname)
    return CONTINUE

+  @noreply
  def envfrom(self,f,*str):
    """Called to begin each message.
    f -> string		message sender
@@ -62,25 +610,24 @@ class Milter:
    self.log("mail from",f,str)
    return CONTINUE

+  @noreply
  def envrcpt(self,to,*str):
    "Called for each message recipient."
    self.log("rcpt to",to,str)
    return CONTINUE

+  @noreply
  def header(self,field,value):
    "Called for each message header."
    self.log("%s: %s" % (field,value))
    return CONTINUE

+  @noreply
  def eoh(self):
    "Called after all headers are processed."
    self.log("eoh")
    return CONTINUE

-  def body(self,unused):
-    "Called to transfer the message body."
-    return CONTINUE
-
  def eom(self):
    "Called at the end of message."
    self.log("eom")
@@ -96,55 +643,49 @@ class Milter:
    self.log("close")
    return CONTINUE

-  # Milter methods which can be invoked from callbacks
-  def getsymval(self,sym):
-    return self.__ctx.getsymval(sym)
-
-  # If sendmail does not support setmlreply, then only the
-  # first msg line is used.
-  def setreply(self,rcode,xcode=None,msg=None,*ml):
-    return self.__ctx.setreply(rcode,xcode,msg,*ml)
-
-  # Milter methods which can only be called from eom callback.
-  def addheader(self,field,value,idx=-1):
-    return self.__ctx.addheader(field,value,idx)
-
-  def chgheader(self,field,idx,value):
-    return self.__ctx.chgheader(field,idx,value)
-
-  def addrcpt(self,rcpt):
-    return self.__ctx.addrcpt(rcpt)
-
-  def delrcpt(self,rcpt):
-    return self.__ctx.delrcpt(rcpt)
-
-  def replacebody(self,body):
-    return self.__ctx.replacebody(body)
-
-  # When quarantined, a message goes into the mailq as if to be delivered,
-  # but delivery is deferred until the message is unquarantined.
-  def quarantine(self,reason):
-    return self.__ctx.quarantine(reason)
-
-  def progress(self):
-    return self.__ctx.progress()
-
+## The milter connection factory
+# This factory method is called for each connection to create the
+# python object that tracks the connection.  It should return
+# an object derived from Milter.Base.
+#
+# Note that since python is dynamic, this variable can be changed while
+# the milter is running: for instance, to a new subclass based on a 
+# change in configuration.
 factory = Milter

-def connectcallback(ctx,hostname,family,hostaddr):
+## @private
+# @brief Connect context to connection instance and return enabled callbacks.
+def negotiate_callback(ctx,opts):
+  m = factory()
+  m._setctx(ctx)
+  return m.negotiate(opts)
+
+## @private
+# @brief Connect context if needed and invoke connect method.
+def connect_callback(ctx,hostname,family,hostaddr,nr_mask=P_NR_CONN):
+  m = ctx.getpriv()
+  if not m:     
+    # If not already created (because the current MTA doesn't support
+    # xmfi_negotiate), create the connection object.
    m = factory()
    m._setctx(ctx)
  return m.connect(hostname,family,hostaddr)

-def closecallback(ctx):
+## @private
+# @brief Disconnect milterContext and call close method.
+def close_callback(ctx):
  m = ctx.getpriv()
  if not m: return CONTINUE
+  try:
    rc = m.close()
+  finally:
    m._setctx(None)	# release milterContext
  return rc

+## Convert ESMTP parameters with values to a keyword dictionary.
+# @deprecated You probably want Milter.param2dict instead.
 def dictfromlist(args):
-  "Convert ESMTP parm list to keyword dictionary."
+  "Convert ESMTP parms with values to keyword dictionary."
  kw = {}
  for s in args:
    pos = s.find('=')
@@ -152,6 +693,18 @@ def dictfromlist(args):
      kw[s[:pos].upper()] = s[pos+1:]
  return kw

+## Convert ESMTP parm list to keyword dictionary.
+# Params with no value are set to None in the dictionary.
+# @since 0.9.3
+# @param str list of param strings of the form "NAME" or "NAME=VALUE"
+# @return a dictionary of ESMTP param names and values
+def param2dict(str): 
+  "Convert ESMTP parm list to keyword dictionary."
+  pairs = [x.split('=',1) for x in str]
+  for e in pairs:
+    if len(e) < 2: e.append(None)
+  return dict([(k.upper(),v) for k,v in pairs])
+  
 def envcallback(c,args):
  """Call function c with ESMTP parms converted to keyword parameters.
  Can be used in the envfrom and/or envrcpt callbacks to process
@@ -166,6 +719,11 @@ def envcallback(c,args):
      pargs.append(s)
  return c(*pargs,**kw)

+## Run the %milter.
+# @param name the name of the %milter known to the MTA
+# @param socketname the socket to be passed to milter.setconn()
+# @param timeout the time in secs the MTA should wait for a response before 
+#	considering this %milter dead
 def runmilter(name,socketname,timeout = 0):
  # This bit is here on the assumption that you will be starting this filter
  # before sendmail.  If sendmail is not running and the socket already exists,
@@ -184,12 +742,14 @@ def runmilter(name,socketname,timeout = 0):
    print "Removing %s" % fname
    try:
      os.unlink(fname)
-    except:
-      pass
+    except os.error, x:
+      import errno
+      if x.errno != errno.ENOENT:
+        raise milter.error(x)

  # The default flags set include everything
  # milter.set_flags(milter.ADDHDRS)
-  milter.set_connect_callback(connectcallback)
+  milter.set_connect_callback(connect_callback)
  milter.set_helo_callback(lambda ctx, host: ctx.getpriv().hello(host))
  # For envfrom and envrcpt, we would like to convert ESMTP parms to keyword
  # parms, but then all existing users would have to include **kw to accept
@@ -202,12 +762,20 @@ def runmilter(name,socketname,timeout = 0):
  milter.set_body_callback(lambda ctx,chunk: ctx.getpriv().body(chunk))
  milter.set_eom_callback(lambda ctx: ctx.getpriv().eom())
  milter.set_abort_callback(lambda ctx: ctx.getpriv().abort())
-  milter.set_close_callback(closecallback)
+  milter.set_close_callback(close_callback)

  milter.setconn(socketname)
  if timeout > 0: milter.settimeout(timeout)
+  # disable negotiate callback if runtime version < (1,0,1)
+  ncb = negotiate_callback
+  if milter.getversion() < (1,0,1):
+    ncb = None
  # The name *must* match the X line in sendmail.cf (supposedly)
-  milter.register(name)
+  milter.register(name,
+        data=lambda ctx: ctx.getpriv().data(),
+        unknown=lambda ctx,cmd: ctx.getpriv().unknown(cmd),
+        negotiate=ncb
+  )
  start_seq = _seq
  try:
    milter.main()
@@ -220,3 +788,7 @@ __all__ = globals().copy()
 for priv in ('os','milter','thread','factory','_seq','_seq_lock','__version__'):
  del __all__[priv]
 __all__ = __all__.keys()
+
+## @example milter-template.py
+## @example milter-nomix.py
+#
@@ -0,0 +1,161 @@
+# Email address list with expiration
+#
+# This class acts like a map.  Entries with a value of None are persistent,
+# but disappear after a time limit.  This is useful for automatic whitelists
+# and blacklists with expiration.  The persistent store is a simple ascii
+# file with sender and timestamp on each line.  Entries can be appended
+# to the store, and will be picked up the next time it is loaded.
+#
+# Entries with other values are not persistent.  This is used to hold failed
+# CBV results.
+#
+# $Log$
+# Revision 1.9  2008/05/08 21:35:57  customdesigned
+# Allow explicitly whitelisted email from banned_users.
+#
+# Revision 1.8  2007/09/03 16:18:45  customdesigned
+# Delete unparseable timestamps when loading address cache.  These have
+# arisen because of failure to parse MAIL FROM properly.   Will have to
+# tighten up MAIL FROM parsing to match RFC.
+#
+# Revision 1.7  2007/01/25 22:47:26  customdesigned
+# Persist blacklisting from delayed DSNs.
+#
+# Revision 1.6  2007/01/19 23:31:38  customdesigned
+# Move parse_header to Milter.utils.
+# Test case for delayed DSN parsing.
+# Fix plock when source missing or cannot set owner/group.
+#
+# Revision 1.5  2007/01/11 19:59:40  customdesigned
+# Purge old entries in auto_whitelist and send_dsn logs.
+#
+# Revision 1.4  2007/01/11 04:31:26  customdesigned
+# Negative feedback for bad headers.  Purge cache logs on startup.
+#
+# Revision 1.3  2007/01/08 23:20:54  customdesigned
+# Get user feedback.
+#
+# Revision 1.2  2007/01/05 23:33:55  customdesigned
+# Make blacklist an AddrCache
+#
+# Revision 1.1  2007/01/05 21:25:40  customdesigned
+# Move AddrCache to Milter package.
+#
+
+# Author: Stuart D. Gathman <stuart@bmsi.com>
+# Copyright 2001,2002,2003,2004,2005 Business Management Systems, Inc.
+# This code is under the GNU General Public License.  See COPYING for details.
+
+import time
+from plock import PLock
+
+class AddrCache(object):
+  time_format = '%Y%b%d %H:%M:%S %Z'
+
+  def __init__(self,renew=7,fname=None):
+    self.age = renew
+    self.cache = {}
+    self.fname = fname
+
+  def load(self,fname,age=0):
+    "Load address cache from persistent store."
+    if not age:
+      age = self.age
+    self.fname = fname
+    cache = {}
+    self.cache = cache
+    now = time.time()
+    lock = PLock(self.fname)
+    wfp = lock.lock()
+    changed = False
+    try:
+      too_old = now - age*24*60*60	# max age in days
+      try:
+        fp = open(self.fname)
+      except OSError:
+        fp = ()
+      for ln in fp:
+        try:
+          rcpt,ts = ln.strip().split(None,1)
+          try:
+            l = time.strptime(ts,AddrCache.time_format)
+            t = time.mktime(l)
+            if t < too_old:
+              changed = True
+              continue
+            cache[rcpt.lower()] = (t,None)
+          except:       # unparsable timestamp - likely garbage
+            changed = True
+            continue
+        except: # manual entry (no timestamp)
+          cache[ln.strip().lower()] = (now,None)
+        wfp.write(ln)
+      if changed:
+        lock.commit(self.fname+'.old')
+      else:
+        lock.unlock()
+    except IOError:
+      lock.unlock()
+
+  def has_precise_key(self,sender):
+    """True if precise sender is cached and has not expired.  Don't
+    try looking up wildcard entries.
+    """
+    try:
+      lsender = sender and sender.lower()
+      ts,res = self.cache[lsender]
+      too_old = time.time() - self.age*24*60*60	# max age in days
+      if not ts or ts > too_old:
+        return True
+      del self.cache[lsender]
+    except KeyError: pass
+    return False
+
+  def has_key(self,sender):
+    "True if sender is cached and has not expired."
+    if self.has_precise_key(sender):
+      return True
+    try:
+      user,host = sender.split('@',1)
+      return self.has_precise_key(host)
+    except: pass
+    return False
+
+  __contains__ = has_key
+
+  def __getitem__(self,sender):
+    try:
+      lsender = sender.lower()
+      ts,res = self.cache[lsender]
+      too_old = time.time() - self.age*24*60*60	# max age in days
+      if not ts or ts > too_old:
+        return res
+      del self.cache[lsender]
+      raise KeyError, sender
+    except KeyError,x:
+      try:
+        user,host = sender.split('@',1)
+        return self.__getitem__(host)
+      except ValueError:
+        raise x
+
+  def addperm(self,sender,res=None):
+    "Add a permanent sender."
+    lsender = sender.lower()
+    if self.has_key(lsender):
+      ts,res = self.cache[lsender]
+      if not ts: return		# already permanent
+    self.cache[lsender] = (None,res)
+    if not res:
+      print >>open(self.fname,'a'),sender
+    
+  def __setitem__(self,sender,res):
+    lsender = sender.lower()
+    now = time.time()
+    self.cache[lsender] = (now,res)
+    if not res and self.fname:
+      s = time.strftime(AddrCache.time_format,time.localtime(now))
+      print >>open(self.fname,'a'),sender,s # log refreshed senders
+
+  def __len__(self):
+    return len(self.cache)
@@ -0,0 +1,64 @@
+from ConfigParser import ConfigParser
+
+class MilterConfigParser(ConfigParser):
+
+  def __init__(self,defaults={}):
+    ConfigParser.__init__(self)
+    self.defaults = defaults
+
+  # The defaults provided by ConfigParser show up in all sections,
+  # which screws up iterating over all options in a section.
+  # Worse, passing "defaults" with vars= overrides the config file!
+  # So we roll our own defaults.
+  def get(self,sect,opt):
+    if not self.has_option(sect,opt) and opt in self.defaults:
+      return self.defaults[opt]
+    return ConfigParser.get(self,sect,opt)
+    
+  def getlist(self,sect,opt):
+    if self.has_option(sect,opt):
+      return [q.strip() for q in self.get(sect,opt).split(',')]
+    return []
+
+  def getaddrset(self,sect,opt):
+    if not self.has_option(sect,opt):
+      return {}
+    s = self.get(sect,opt)
+    d = {}
+    for q in s.split(','):
+      q = q.strip()
+      if q.startswith('file:'):
+        domain = q[5:].lower()
+        d[domain] = d.setdefault(domain,[]) + open(domain,'r').read().split()
+      else:
+        user,domain = q.split('@')
+        d.setdefault(domain.lower(),[]).append(user)
+    return d
+  
+  def getaddrdict(self,sect,opt):
+    if not self.has_option(sect,opt):
+      return {}
+    d = {}
+    for q in self.get(sect,opt).split(','):
+      q = q.strip()
+      if self.has_option(sect,q):
+        l = self.get(sect,q)
+        for addr in l.split(','):
+          addr = addr.strip()
+          if addr.startswith('file:'):
+            fname = addr[5:]
+            for a in open(fname,'r').read().split():
+              d[a] = q
+          else:
+            d[addr] = q
+    return d
+
+  def getdefault(self,sect,opt,default=None):
+    if self.has_option(sect,opt):
+      return self.get(sect,opt)
+    return default
+
+  def getintdefault(self,sect,opt,default=None):
+    if self.has_option(sect,opt):
+      return self.getint(sect,opt)
+    return default
@@ -0,0 +1,123 @@
+## @package Milter.dns
+# Provide a higher level interface to pydns.
+
+import DNS
+from DNS import DNSError
+
+MAX_CNAME = 10
+
+## Lookup DNS records by label and RR type.
+# The response can include records of other types that the DNS
+# server thinks we might need.
+# @param name the DNS label to lookup
+# @param qtype the name of the DNS RR type to lookup
+# @return a list of ((name,type),data) tuples
+def DNSLookup(name, qtype):
+    try:
+	# To be thread safe, we create a fresh DnsRequest with
+	# each call.  It would be more efficient to reuse
+	# a req object stored in a Session.
+        req = DNS.DnsRequest(name, qtype=qtype)
+        resp = req.req()
+        #resp.show()
+        # key k: ('wayforward.net', 'A'), value v
+        # FIXME: pydns returns AAAA RR as 16 byte binary string, but
+        # A RR as dotted quad.  For consistency, this driver should
+        # return both as binary string.
+        return [((a['name'], a['typename']), a['data']) for a in resp.answers]
+    except IOError, x:
+        raise DNSError, str(x)
+
+class Session(object):
+  """A Session object has a simple cache with no TTL that is valid
+   for a single "session", for example an SMTP conversation."""
+  def __init__(self):
+    self.cache = {}
+
+  ## Additional DNS RRs we can safely cache.
+  # We have to be careful which additional DNS RRs we cache.  For
+  # instance, PTR records are controlled by the connecting IP, and they
+  # could poison our local cache with bogus A and MX records.  
+  # Each entry is a tuple of (query_type,rr_type).  So for instance,
+  # the entry ('MX','A') says it is safe (for milter purposes) to cache
+  # any 'A' RRs found in an 'MX' query.
+  SAFE2CACHE = frozenset((
+    ('MX','MX'), ('MX','A'),
+    ('CNAME','CNAME'), ('CNAME','A'),
+    ('A','A'),
+    ('AAAA','AAAA'),
+    ('PTR','PTR'),
+    ('NS','NS'), ('NS','A'),
+    ('TXT','TXT'),
+    ('SPF','SPF')
+  ))
+
+  ## Cached DNS lookup.
+  # @param name the DNS label to query
+  # @param qtype the query type, e.g. 'A'
+  # @param cnames tracks CNAMES already followed in recursive calls
+  def dns(self, name, qtype, cnames=None):
+    """DNS query.
+
+    If the result is in cache, return that.  Otherwise pull the
+    result from DNS, and cache ALL answers, so additional info
+    is available for further queries later.
+
+    CNAMEs are followed.
+
+    If there is no data, [] is returned.
+
+    pre: qtype in ['A', 'AAAA', 'MX', 'PTR', 'TXT', 'SPF']
+    post: isinstance(__return__, types.ListType)
+    """
+    if name.endswith('.'): name = name[:-1]
+    if not reduce(lambda x,y:x and 0 < len(y) < 64, name.split('.'),True):
+        return []   # invalid DNS name (too long or empty)
+    result = self.cache.get( (name, qtype) )
+    cname = None
+    if result: return result
+    cnamek = (name,'CNAME')
+    cname = self.cache.get( cnamek )
+
+    if cname:
+        cname = cname[0]
+    else:
+        safe2cache = Session.SAFE2CACHE
+        for k, v in DNSLookup(name, qtype):
+            if k == cnamek:
+                cname = v
+            if k[1] == 'CNAME' or (qtype,k[1]) in safe2cache:
+                self.cache.setdefault(k, []).append(v)
+        result = self.cache.get( (name, qtype), [])
+    if not result and cname:
+        if not cnames:
+            cnames = {}
+        elif len(cnames) >= MAX_CNAME:
+            #return result    # if too many == NX_DOMAIN
+            raise DNSError('Length of CNAME chain exceeds %d' % MAX_CNAME)
+        cnames[name] = cname
+        if cname in cnames:
+            raise DNSError('CNAME loop')
+        result = self.dns(cname, qtype, cnames=cnames)
+        if result:
+            self.cache[(name,qtype)] = result
+    return result
+
+  def dns_txt(self, domainname, enc='ascii'):
+    "Get a list of TXT records for a domain name."
+    if domainname:
+        try:
+            return [''.join(s.decode(enc) for s in a)
+                for a in self.dns(domainname, 'TXT')]
+        except UnicodeEncodeError:
+            raise DNSError('Non-ascii character in SPF TXT record.')
+    return []
+
+DNS.DiscoverNameServers()
+
+if __name__ == '__main__':
+  import sys
+  s = Session()
+  for n,t in zip(*[iter(sys.argv[1:])]*2):
+    print n,t
+    print s.dns(n,t)
@@ -4,110 +4,108 @@

 # Send DSNs, do call back verification,
 # and generate DSN messages from a template
-
+# $Log$
+# Revision 1.22  2011/03/18 20:41:31  customdesigned
+# Python2.6 SMTP.close() fails when instance never connected.
+#
+# Revision 1.21  2011/03/03 05:11:58  customdesigned
+# Release 0.9.4
+#
+# Revision 1.20  2010/10/11 00:29:47  customdesigned
+# Handle multiple recipients.  For CBV or auto whitelist of multiple emails.
+#
+# Revision 1.19  2009/07/02 19:41:12  customdesigned
+# Handle @ in localpart.
+#
+# Revision 1.18  2009/06/10 18:01:59  customdesigned
+# Doxygen updates
+#
+# Revision 1.17  2009/05/20 20:08:44  customdesigned
+# Support non-DSN CBV (non-empty MAIL FROM)
+#
+# Revision 1.16  2007/09/25 01:24:59  customdesigned
+# Allow arbitrary object, not just spf.query like, to provide data for create_msg
+#
+# Revision 1.15  2007/09/24 20:13:26  customdesigned
+# Remove explicit spf dependency.
+#
+# Revision 1.14  2007/03/03 18:19:40  customdesigned
+# Handle DNS error sending DSN.
+#
+# Revision 1.13  2007/01/04 18:01:11  customdesigned
+# Do plain CBV when template missing.
+#
+# Revision 1.12  2006/07/26 16:37:35  customdesigned
+# Support timeout.
+#
+# Revision 1.11  2006/06/21 21:07:11  customdesigned
+# Include header fields in DSN template.
+#
+# Revision 1.10  2006/05/24 20:56:35  customdesigned
+# Remove default templates.  Scrub test.
+#
+## @package Milter.dsn
+# Support DSNs and CallBackValidations (CBV).
+#
+# A Delivery Status Notification (bounce) is sent to the envelope
+# sender (original MAIL FROM) with a null MAIL FROM (<>) to notify the
+# original sender # of delays or problems with delivery.  A Callback Validation
+# starts the DSN process, but stops before issuing the DATA command.  The
+# purpose is to check whether the envelope recipient is accepted (and is
+# therefore a valid email).  The null MAIL FROM tells the remote
+# MTA to never reply according to RFC2821 (but some braindead MTAs
+# reply anyway, of course).
+#
+# Milters should cache CBV results and should avoid sending DSNs
+# unless the sender is authenticated somehow (e.g. SPF Pass).  However,
+# when email is quarantined, and is not known to be a forgery, sending a DSN 
+# is better than silently disappearing, and a DSN is better than sending
+# a normal message as notification - because MAIL FROM signing schemes
+# can reject bounces of forged emails.   Whatever you do, don't copy those
+# assinine commercial filters that send a normal message to notify you
+# that some virus is forging your email.
+#
+# <b>DSNs should *only* be sent to MAIL FROM addresses.</b>  Never send
+# a DSN or use a null MAIL FROM with an email address obtained from
+# anywhere else.
+#
 import smtplib
-import spf
 import socket
 from email.Message import Message
 import Milter
+import time
+import dns

-nospf_msg = """Subject: Critical mail server configuration error
-
-This is an automatically generated Delivery Status Notification.
-
-THIS IS A WARNING MESSAGE ONLY.
-
-YOU DO *NOT* NEED TO RESEND YOUR MESSAGE.
-
-Delivery to the following recipients has been delayed.
-
-	%(rcpt)s
-
-Subject: %(subject)s 
-
-Someone at IP address %(connectip)s sent an email claiming
-to be from %(sender)s.  
-
-If that wasn't you, then your domain, %(sender_domain)s,
-was forged - i.e. used without your knowlege or authorization by
-someone attempting to steal your mail identity.  This is a very
-serious problem, and you need to provide authentication for your
-SMTP (email) servers to prevent criminals from forging your
-domain.  The simplest step is usually to publish an SPF record
-with your Sender Policy.  
-
-For more information, see: http://spfhelp.net
-
-I hate to annoy you with a DSN (Delivery Status
-Notification) from a possibly forged email, but since you
-have not published a sender policy, there is no other way
-of bringing this to your attention.
-
-If it *was* you that sent the email, then your email domain
-or configuration is in error.  If you don't know anything
-about mail servers, then pass this on to your SMTP (mail)
-server administrator.  We have accepted the email anyway, in
-case it is important, but we couldn't find anything about
-the mail submitter at %(connectip)s to distinguish it from a
-zombie (compromised/infected computer - usually a Windows
-PC).  There was no PTR record for its IP address (PTR names
-that contain the IP address don't count).  RFC2821 requires
-that your hello name be a FQN (Fully Qualified domain Name,
-i.e. at least one dot) that resolves to the IP address of
-the mail sender.  In addition, just like for PTR, we don't
-accept a helo name that contains the IP, since this doesn't
-help to identify you.  The hello name you used,
-%(heloname)s, was invalid.
-
-Furthermore, there was no SPF record for the sending domain
-%(sender_domain)s.  We even tried to find its IP in any A or
-MX records for your domain, but that failed also.  We really
-should reject mail from anonymous mail clients, but in case
-it is important, we are accepting it anyway.
-
-We are sending you this message to alert you to the fact that
-
-Either - Someone is forging your domain.
-Or - You have problems with your email configuration.
-Or - Possibly both.
-
-If you need further assistance, please do not hesitate to
-contact me again.
-
-Kind regards,
-
-postmaster@%(receiver)s
-"""
-
-softfail_msg = """Subject: SPF softfail (POSSIBLE FORGERY)
-
-This is an automatically generated Delivery Status Notification.
-
-THIS IS A WARNING MESSAGE ONLY.
-
-YOU DO *NOT* NEED TO RESEND YOUR MESSAGE.
-
-Delivery to the following recipients has been delayed.
-
-       %(rcpt)s
-
-Subject: %(subject)s
-Received-SPF: %(spf_result)s
-"""
-
-def send_dsn(mailfrom,receiver,msg=None):
+## Send DSN.
+# Try the published MX names in order, rejecting obviously bogus entries
+# (like <code>localhost</code>).
+# @param mailfrom the original sender we are notifying or validating
+# @param receiver the HELO name of the MTA we are sending the DSN on behalf of.
+#	Be sure to send from an IP that matches the HELO.
+# @param msg the DSN message in RFC2822 format, or None for CBV.
+# @param timeout total seconds to wait for a response from an MX
+# @param session Milter.dns.Session object from current incoming mail
+#	session to reuse its cache, or None to create a fresh one.
+# @param ourfrom set to a valid email to send a normal notification from, or
+#	to validate emails not obtained from MAIL FROM.
+# @return None on success or (status_code,msg) on failure.
+def send_dsn(mailfrom,receiver,msg=None,timeout=600,session=None,ourfrom=''):
  """Send DSN.  If msg is None, do callback verification.
     Mailfrom is original sender we are sending DSN or CBV to.
     Receiver is the MTA sending the DSN.
     Return None for success or (code,msg) for failure."""
-  user,domain = mailfrom.split('@')
-  q = spf.query(None,None,None)
-  mxlist = q.dns(domain,'MX')
+  user,domain = mailfrom.rsplit('@',1)
+  if not session: session = dns.Session()
+  try:
+    mxlist = session.dns(domain,'MX')
+  except dns.DNSError:
+    return (450,'DNS Timeout: %s MX'%domain)	# temp error
  if not mxlist:
    mxlist = (0,domain),	# fallback to A record when no MX
  else:
    mxlist.sort()
  smtp = smtplib.SMTP()
+  toolate = time.time() + timeout
  for prior,host in mxlist:
    try:
      smtp.connect(host)
@@ -122,21 +120,31 @@ def send_dsn(mailfrom,receiver,msg=None):
        raise smtplib.SMTPHeloError(code, resp)
      if msg:
        try:
-	  smtp.sendmail('<>',mailfrom,msg)
+          smtp.sendmail('<%s>'%ourfrom,mailfrom,msg)
        except smtplib.SMTPSenderRefused:
 	  # does not accept DSN, try postmaster (at the risk of mail loops)
          smtp.sendmail('<postmaster@%s>'%receiver,mailfrom,msg)
      else:	# CBV
-	code,resp = smtp.docmd('MAIL FROM: <>')
+        code,resp = smtp.docmd('MAIL FROM: <%s>'%ourfrom)
        if code != 250:
-	  raise smtplib.SMTPSenderRefused(code, resp, '<>')
-	code,resp = smtp.rcpt(mailfrom)
+          raise smtplib.SMTPSenderRefused(code, resp, '<%s>'%ourfrom)
+        if isinstance(mailfrom,basestring):
+          mailfrom = [mailfrom]
+        badrcpts = {}
+        for rcpt in mailfrom:
+          code,resp = smtp.rcpt(rcpt)
          if code not in (250,251):
-	  return (code,resp)		# permanent error
+            badrcpts[rcpt] = (code,resp)# permanent error
        smtp.quit()
+        if len(badrcpts) == 1:
+          return badrcpts.values()[0]	# permanent error
+        if badrcpts:
+          return badrcpts
      return None			# success
    except smtplib.SMTPRecipientsRefused,x:
-      return x.recipients[mailfrom]	# permanent error
+      if len(x.recipients) == 1:
+        return x.recipients.values()[0]	# permanent error
+      return x.recipients
    except smtplib.SMTPSenderRefused,x:
      return x.args[:2]			# does not accept DSN
    except smtplib.SMTPDataError,x:
@@ -145,51 +153,83 @@ def send_dsn(mailfrom,receiver,msg=None):
      pass		# any other error, try next MX
    except socket.error:
      pass		# MX didn't accept connections, try next one
-    smtp.close()
+    except socket.timeout:
+      pass		# MX too slow, try next one
+    if hasattr(smtp,'sock'): smtp.close()
+    if time.time() > toolate:
+      return (450,'No MX response within %f minutes'%(timeout/60.0))
  return (450,'No MX servers available')	# temp error

-def create_msg(q,rcptlist,origmsg=None,template=None):
-  "Create a DSN message from a template.  Template must be '\n' separated."
-  heloname = q.h
-  sender = q.s
-  connectip = q.i
-  receiver = q.r
-  sender_domain = q.o
-  result = q.result
-  perm_error = q.perm_error
-  rcpt = '\n\t'.join(rcptlist)
-  try: subject = origmsg['Subject']
-  except: subject = '(none)'
+class Vars: pass
+
+# NOTE: Caller can pass an object to create_msg that in a typical milter
+# collects things like heloname or sender anyway.
+def create_msg(v,rcptlist=None,origmsg=None,template=None):
+  """Create a DSN message from a template.  Template must be '\n' separated.
+     v - an object whose attributes are used for substitutions.  Must
+       have sender and receiver attributes at a minimum.
+     rcptlist - used to set v.rcpt if given
+     origmsg - used to set v.subject and v.spf_result if given
+     template - a '\n' separated string with python '%(name)s' substitutions.
+  """
+  if not template:
+    return None
+  if hasattr(v,'perm_error'):
+    # likely to be an spf.query, try translating for backward compatibility
+    q = v
+    v = Vars()
    try:
-    spf_result = origmsg['Received-SPF']
-  except: spf_result = None
+      v.heloname = q.h
+      v.sender = q.s
+      v.connectip = q.i
+      v.receiver = q.r
+      v.sender_domain = q.o
+      v.result = q.result
+      v.perm_error = q.perm_error
+    except: v = q
+  if rcptlist:
+    v.rcpt = '\n\t'.join(rcptlist)
+  if origmsg:
+    try: v.subject = origmsg['Subject']
+    except: v.subject = '(none)'
+    try:
+      v.spf_result = origmsg['Received-SPF']
+    except: v.spf_result = None

  msg = Message()

-  msg.add_header('To',sender)
-  msg.add_header('From','postmaster@%s'%receiver)
-  msg.add_header('Auto-Submitted','auto-generated (configuration error)')
  msg.add_header('X-Mailer','PyMilter-'+Milter.__version__)
  msg.set_type('text/plain')

-  if not template:
-    if spf_result and spf_result.startswith('softfail'):
-      template = softfail_msg
-    else:
-      template = nospf_msg
-  hdrs,body = template.split('\n',1)
+  hdrs,body = template.split('\n\n',1)
  for ln in hdrs.splitlines():
    name,val = ln.split(':',1)
-    msg.add_header(name,(val % locals()).strip())
-  msg.set_payload(body % locals())
-
+    msg.add_header(name,(val % v.__dict__).strip())
+  msg.set_payload(body % v.__dict__)
+  # add headers if missing from old template
+  if 'to' not in msg:
+    msg.add_header('To',v.sender)
+  if 'from' not in msg:
+    msg.add_header('From','postmaster@%s'%v.receiver)
+  if 'auto-submitted' not in msg:
+    msg.add_header('Auto-Submitted','auto-generated')
  return msg

 if __name__ == '__main__':
+  import spf
  q = spf.query('192.168.9.50',
-  'SRS0=pmeHL=RH=bmsi.com=stuart@bmsi.com',
-  'bmsred.bmsi.com',receiver='mail.bmsi.com')
-  msg = create_msg(q,['charlie@jsconnor.com'],None,None)
+  'SRS0=pmeHL=RH==stuart@example.com',
+  'red.example.com',receiver='mail.example.com')
+  q.result = 'softfail'
+  q.perm_error = None
+  msg = create_msg(q,['charlie@example.com'],None,
+"""From: postmaster@%(receiver)s
+To: %(sender)s
+Subject: Test
+
+Test DSN template
+"""
+  )
  print msg.as_string()
  # print send_dsn(f,msg.as_string())
-  print send_dsn(q.s,'mail.bmsi.com',msg.as_string())
+  # print send_dsn(q.s,'mail.example.com',msg.as_string())
@@ -44,17 +44,20 @@ def is_dynip(host,addr):
  True
  >>> is_dynip('[1.2.3.4]','1.2.3.4')
  True
+  >>> is_dynip('c-71-63-151-151.hsd1.mn.comcast.net','71.63.151.151')
+  True
  """
  if host.startswith('[') and host.endswith(']'):
-    return True
+    return True                                 # no ptr
  if addr:
    if host.find(addr) >= 0: return True
+    if addr.find(':') >= 0: return False        # IP6
    a = addr.split('.')
    ia = map(int,a)
    h = host
    m = ip3.findall(host)
    if m:
-      g = map(int,m)
+      g = map(int,m)[:4]
      ia3 = (ia[1:],ia[:3])
      if g[-3:] in ia3: return True
      if g[0] == ia[3] and g[1:3] == ia[:2]: return True
@@ -0,0 +1,102 @@
+import time
+import shelve
+import thread
+import logging
+import urllib
+
+log = logging.getLogger('milter.greylist')
+
+def quoteAddress(s):
+  '''Quote an address so that it's safe to store in the file-system.
+  Address can either be a domain name, or local part.
+  Returns the quoted address.'''
+
+  s = urllib.quote(s, '@_-+~!.%')
+  if s.startswith('.'): s = '%2e' + s[1:]
+  return s
+
+class Record(object):
+  __slots__ = ( 'firstseen', 'lastseen', 'umis', 'cnt' )
+
+  def __init__(self,timeinc=0):
+    now = time.time() + timeinc
+    self.firstseen = now
+    self.lastseen = now
+    self.cnt = 0
+    self.umis = None
+
+  def __str__(self):
+    return "Grey[%s:%s:%s:%d]" % (
+        time.ctime(self.firstseen),time.ctime(self.lastseen),
+        self.umis,self.cnt
+    )
+
+class Greylist(object):
+
+  def __init__(self,dbname,grey_time=10,grey_expire=4,grey_retain=36):
+    self.ignoreLastByte = False
+    self.greylist_time = grey_time * 60         # minutes
+    self.greylist_expire = grey_expire * 3600   # hours
+    self.greylist_retain = grey_retain * 24 * 3600   # days
+    self.dbp = shelve.open(dbname,'c',protocol=2)
+    self.lock = thread.allocate_lock()
+
+  def clean(self,timeinc=0):
+    "Delete records past the retention limit."
+    now = time.time() + timeinc
+    cnt = 0
+    dbp = self.dbp
+    for key, r in dbp.iteritems():
+      #print key,r,time.ctime(now)
+      if now > r.lastseen + self.greylist_retain:
+        self.lock.acquire()
+        try:
+          r = dbp[key]
+          now = time.time() + timeinc
+          if now > r.lastseen + self.greylist_retain:
+            del dbp[key]
+            cnt += 1
+        finally:
+          self.lock.release()
+    return cnt
+  
+  def check(self,ip,sender,recipient,timeinc=0):
+    "Return number of allowed messages for greylist triple."
+    sender = quoteAddress(sender)
+    recipient = quoteAddress(recipient)
+    key = ip + ':' + sender + ':' + recipient
+    self.lock.acquire()
+    try:
+      dbp = self.dbp
+      try:
+        r = dbp[key]
+        now = time.time() + timeinc
+        if now > r.lastseen + self.greylist_retain:
+          # expired
+          log.debug('Expired greylist: %s',key)
+          r = Record(timeinc)
+        elif now < r.firstseen + self.greylist_time + 5:
+          # still greylisted
+          log.debug('Early greylist: %s',key)
+          #r = Record(timeinc)
+          r.lastseen = now
+        elif r.cnt or now < r.firstseen + self.greylist_expire:
+          # in greylist window or active
+          r.lastseen = now
+          r.cnt += 1
+          log.debug('Active greylist(%d): %s',r.cnt,key)
+        else:
+          # passed greylist window
+          log.debug('Late greylist: %s',key)
+          r = Record(timeinc)
+        dbp[key] = r
+      except:
+        r = Record(timeinc)
+        dbp[key] = r
+      dbp.sync()
+    finally:
+      self.lock.release()
+    return r.cnt
+
+  def close(self):
+    self.dbp.close()
@@ -0,0 +1,86 @@
+import time
+import logging
+import urllib
+import sqlite3
+import thread
+from datetime import datetime
+
+log = logging.getLogger('milter.greylist')
+
+_db_lock = thread.allocate_lock()
+
+class Greylist(object):
+
+  def __init__(self,dbname,grey_time=10,grey_expire=4,grey_retain=36):
+    self.ignoreLastByte = False
+    self.greylist_time = grey_time * 60         # minutes
+    self.greylist_expire = grey_expire * 3600   # hours
+    self.greylist_retain = grey_retain * 24 * 3600   # days
+    self.conn = sqlite3.connect(dbname)
+    self.conn.row_factory = sqlite3.Row
+    try:
+      self.conn.execute('''create table greylist(
+        ip text , sender text, recipient text,
+        firstseen timestamp, lastseen timestamp, cnt integer, umis text,
+        primary key (ip,sender,recipient))''')
+    except: pass
+
+  def clean(self,timeinc=0):
+    "Delete records past the retention limit."
+    now = time.time() + timeinc - self.greylist_retain
+    cur = self.conn.cursor()
+    try:
+      cur.execute('delete from greylist where lastseen < ?',(now,))
+      cnt = cur.rowcount
+      self.conn.commit()
+    finally: cur.close()
+    return cnt
+
+  def check(self,ip,sender,recipient,timeinc=0):
+    "Return number of allowed messages for greylist triple."
+    _db_lock.acquire()
+    cur = self.conn.execute('begin immediate')
+    try:
+      cur.execute('''select firstseen,lastseen,cnt,umis from greylist where
+        ip=? and sender=? and recipient=?''',(ip,sender,recipient))
+      r = cur.fetchone()
+      now = time.time() + timeinc
+      cnt = 0
+      if not r:
+        cur.execute('''insert into 
+          greylist(ip,sender,recipient,firstseen,lastseen,cnt,umis)
+          values(?,?,?,?,?,?,?)''', (ip,sender,recipient,now,now,0,None))
+      elif now > r['lastseen'] + self.greylist_retain:
+        # expired
+        log.debug('Expired greylist: %s:%s:%s',ip,sender,recipient)
+        cur.execute('''update greylist set firstseen=?,lastseen=?,cnt=?,umis=?
+          where ip=? and sender=? and recipient=?''',
+          (now,now,0,None,ip,sender,recipient))
+      elif now < r['firstseen'] + self.greylist_time + 5:
+        # still greylisted
+        log.debug('Early greylist: %s:%s:%s',ip,sender,recipient)
+        #r = Record()
+        cur.execute('''update greylist set lastseen=?
+          where ip=? and sender=? and recipient=?''',
+          (now,ip,sender,recipient))
+      elif r['cnt'] or now < r['firstseen'] + self.greylist_expire:
+        # in greylist window or active
+        cnt = r['cnt'] + 1
+        cur.execute('''update greylist set lastseen=?,cnt=?
+          where ip=? and sender=? and recipient=?''',
+          (now,cnt,ip,sender,recipient))
+        log.debug('Active greylist(%d): %s:%s:%s',cnt,ip,sender,recipient)
+      else:
+        # passed greylist window
+        log.debug('Late greylist: %s:%s:%s',ip,sender,recipient)
+        cur.execute('''update greylist set firstseen=?,lastseen=?,cnt=?,umis=?
+          where ip=? and sender=? and recipient=?''',
+          (now,now,0,None,ip,sender,recipient))
+      self.conn.commit()
+    finally:
+      cur.close()
+      _db_lock.release()
+    return cnt
+
+  def close(self):
+    self.conn.close()
@@ -0,0 +1,66 @@
+# Author: Stuart D. Gathman <stuart@bmsi.com>
+# Copyright 2001 Business Management Systems, Inc.
+# This code is under the GNU General Public License.  See COPYING for details.
+
+import os
+from time import sleep
+
+class PLock(object):
+  "A simple /etc/passwd style lock,update,rename protocol for updating files."
+  def __init__(self,basename):
+    self.basename = basename
+    self.fp = None
+
+  def lock(self,lockname=None,mode=0660,strict_perms=False):
+    "Start an update transaction.  Return FILE to write new version."
+    self.unlock()
+    if not lockname:
+      lockname = self.basename + '.lock'
+    self.lockname = lockname
+    try:
+      st = os.stat(self.basename)
+      mode |= st.st_mode
+    except OSError: pass
+    u = os.umask(0002)
+    try:
+      fd = os.open(lockname,os.O_WRONLY+os.O_CREAT+os.O_EXCL,mode)
+    finally:
+      os.umask(u)
+    self.fp = os.fdopen(fd,'w')
+    try:
+      os.chown(self.lockname,-1,st.st_gid)
+    except:
+      if strict_perms:
+        self.unlock()
+        raise
+    return self.fp
+
+  def wlock(self,lockname=None):
+    "Wait until lock is free, then start an update transaction."
+    while True:
+      try:
+        return self.lock(lockname)
+      except OSError:
+        sleep(2)
+
+  def commit(self,backname=None):
+    "Commit update transaction with optional backup file."
+    if not self.fp:
+      raise IOError,"File not locked"
+    self.fp.close()
+    self.fp = None
+    if backname:
+      try:
+        os.remove(backname)
+      except OSError: pass
+      os.link(self.basename,backname)
+    os.rename(self.lockname,self.basename)
+
+  def unlock(self):
+    "Cancel update transaction."
+    if self.fp:
+      try:
+        self.fp.close()
+      except: pass
+      self.fp = None
+      os.remove(self.lockname)
@@ -0,0 +1,117 @@
+"""Pure Python IP6 parsing and formatting
+
+Copyright (c) 2006 Stuart Gathman <stuart@bmsi.com>
+
+This module is free software, and you may redistribute it and/or modify
+it under the same terms as Python itself, so long as this copyright message
+and disclaimer are retained in their original form.
+"""
+import struct
+#from spf import RE_IP4 
+import re
+PAT_IP4 = r'\.'.join([r'(?:\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])']*4)
+RE_IP4 = re.compile(PAT_IP4+'$')
+
+def inet_ntop(s):
+  """
+  Convert ip6 address to standard hex notation.
+
+  Examples:
+
+  >>> inet_ntop(struct.pack("!HHHHHHHH",0,0,0,0,0,0xFFFF,0x0102,0x0304))
+  '::FFFF:1.2.3.4'
+
+  >>> inet_ntop(struct.pack("!HHHHHHHH",0x1234,0x5678,0,0,0,0,0x0102,0x0304))
+  '1234:5678::102:304'
+
+  >>> inet_ntop(struct.pack("!HHHHHHHH",0,0,0,0x1234,0x5678,0,0x0102,0x0304))
+  '::1234:5678:0:102:304'
+
+  >>> inet_ntop(struct.pack("!HHHHHHHH",0x1234,0x5678,0,0x0102,0x0304,0,0,0))
+  '1234:5678:0:102:304::'
+
+  >>> inet_ntop(struct.pack("!HHHHHHHH",0,0,0,0,0,0,0,0))
+  '::'
+  """
+  # convert to 8 words
+  a = struct.unpack("!HHHHHHHH",s)
+  n = (0,0,0,0,0,0,0,0)	# null ip6
+  if a == n: return '::'
+  # check for ip4 mapped
+  if a[:5] == (0,0,0,0,0) and a[5] in (0,0xFFFF):
+    ip4 = '.'.join([str(i) for i in struct.unpack("!BBBB",s[12:])])
+    if a[5]:
+      return "::FFFF:" + ip4
+    return "::" + ip4
+  # find index of longest sequence of 0
+  for l in (7,6,5,4,3,2,1):
+    e = n[:l]
+    for i in range(9-l):
+      if a[i:i+l] == e:
+        if i == 0:
+          return ':'+':%x'*(8-l) % a[l:]
+        if i == 8 - l:
+          return '%x:'*(8-l) % a[:-l] + ':'
+        return '%x:'*i % a[:i] + ':%x'*(8-l-i) % a[i+l:]
+  return "%x:%x:%x:%x:%x:%x:%x:%x" % a
+
+def inet_pton(p):
+  """
+  Convert ip6 standard hex notation to ip6 address.
+
+  Examples:
+
+  >>> struct.unpack('!HHHHHHHH',inet_pton('::'))
+  (0, 0, 0, 0, 0, 0, 0, 0)
+
+  >>> struct.unpack('!HHHHHHHH',inet_pton('::1234'))
+  (0, 0, 0, 0, 0, 0, 0, 4660)
+
+  >>> struct.unpack('!HHHHHHHH',inet_pton('1234::'))
+  (4660, 0, 0, 0, 0, 0, 0, 0)
+
+  >>> struct.unpack('!HHHHHHHH',inet_pton('1234::5678'))
+  (4660, 0, 0, 0, 0, 0, 0, 22136)
+
+  >>> struct.unpack('!HHHHHHHH',inet_pton('::FFFF:1.2.3.4'))
+  (0, 0, 0, 0, 0, 65535, 258, 772)
+
+  >>> struct.unpack('!HHHHHHHH',inet_pton('1.2.3.4'))
+  (0, 0, 0, 0, 0, 65535, 258, 772)
+
+  >>> try: inet_pton('::1.2.3.4.5')
+  ... except ValueError,x: print x
+  ::1.2.3.4.5
+  """
+  if p == '::':
+    return '\0'*16
+  s = p
+  m = RE_IP4.search(s)
+  try:
+      if m:
+          pos = m.start()
+          ip4 = [int(i) for i in s[pos:].split('.')]
+          if not pos:
+              return struct.pack('!QLBBBB',0,65535,*ip4)
+          s = s[:pos]+'%x%02x:%x%02x'%tuple(ip4)
+      a = s.split('::')
+      if len(a) == 2:
+        l,r = a
+        if not l:
+          r = r.split(':')
+          return struct.pack('!HHHHHHHH',
+	    *[0]*(8-len(r)) + [int(s,16) for s in r])
+        if not r:
+          l = l.split(':')
+          return struct.pack('!HHHHHHHH',
+	    *[int(s,16) for s in l] + [0]*(8-len(l)))
+        l = l.split(':')
+        r = r.split(':')
+        return struct.pack('!HHHHHHHH',
+	    *[int(s,16) for s in l] + [0]*(8-len(l)-len(r))
+	    + [int(s,16) for s in r])
+      if len(a) == 1:
+        return struct.pack('!HHHHHHHH',
+	    *[int(s,16) for s in a[0].split(':')])
+  except ValueError: pass
+  raise ValueError,p
@@ -0,0 +1,192 @@
+## @package Milter.test
+# A test framework for milters
+
+import rfc822
+import StringIO
+import Milter
+
+Milter.NOREPLY = Milter.CONTINUE
+
+## Test mixin for unit testing milter applications.
+# This mixin overrides many Milter.MilterBase methods
+# with stub versions that simply record what was done.
+# @since 0.9.8
+class TestBase(object):
+
+  def __init__(self,logfile='test/milter.log'):
+    self._protocol = 0
+    self.logfp = open(logfile,"a")
+    ## List of recipients deleted
+    self._delrcpt = []
+    ## List of recipients added
+    self._addrcpt = []
+    ## Macros defined
+    self._macros = { }
+    ## The message body.
+    self._body = None
+    ## True if the milter replaced the message body.
+    self._bodyreplaced = False
+    ## True if the milter changed any headers.
+    self._headerschanged = False
+    ## Reply codes and messages set by milter
+    self._reply = None
+    ## The rfc822 message object for the current email being fed to the milter.
+    self._msg = None
+    self._symlist = [ None, None, None, None, None, None, None ]
+
+  def log(self,*msg):
+    for i in msg: print >>self.logfp, i,
+    print >>self.logfp
+
+  ## Set a macro value.
+  # These are retrieved by the milter with getsymval.
+  # @param name the macro name, as passed to getsymval
+  # @param val the macro value
+  def setsymval(self,name,val):
+    self._macros[name] = val
+    
+  def getsymval(self,name):
+    # FIXME: track stage, and use _symlist
+    return self._macros.get(name,'')
+
+  def replacebody(self,chunk):
+    if self._body:
+      self._body.write(chunk)
+      self._bodyreplaced = True
+    else:
+      raise IOError,"replacebody not called from eom()"
+
+  # FIXME: rfc822 indexing does not really reflect the way chg/add header
+  # work for a milter
+  def chgheader(self,field,idx,value):
+    if not self._body:
+      raise IOError,"chgheader not called from eom()"
+    self.log('chgheader: %s[%d]=%s' % (field,idx,value))
+    if value == '':
+      del self._msg[field]
+    else:
+      self._msg[field] = value
+    self._headerschanged = True
+
+  def addheader(self,field,value,idx=-1):
+    if not self._body:
+      raise IOError,"addheader not called from eom()"
+    self.log('addheader: %s=%s' % (field,value))
+    self._msg[field] = value
+    self._headerschanged = True
+
+  def delrcpt(self,rcpt):
+    if not self._body:
+      raise IOError,"delrcpt not called from eom()"
+    self._delrcpt.append(rcpt)
+
+  def addrcpt(self,rcpt):
+    if not self._body:
+      raise IOError,"addrcpt not called from eom()"
+    self._addrcpt.append(rcpt)
+
+  ## Save the reply codes and messages in self._reply.
+  def setreply(self,rcode,xcode,*msg):
+    self._reply = (rcode,xcode) + msg
+
+  def setsymlist(self,stage,macros):
+    if not self._actions & SETSYMLIST: raise DisabledAction("SETSYMLIST")
+    # not used yet, but just for grins we save the data
+    a = []
+    for m in macros:
+      try:
+        m = m.encode('utf8')
+      except: pass
+      try:
+        m = m.split(' ')
+      except: pass
+      a += m
+    self._symlist[stage] = set(a)
+
+  ## Feed a file like object to the milter.  Calls envfrom, envrcpt for
+  # each recipient, header for each header field, body for each body 
+  # block, and finally eom.  A return code from the milter other than
+  # CONTINUE returns immediately with that return code.
+  #
+  # This is a convenience method, a test could invoke the callbacks
+  # in sequence on its own - and for some complex tests, this may
+  # be necessary.
+  # @param fp the file with rfc2822 message stream
+  # @param sender the MAIL FROM
+  # @param rcpt RCPT TO - additional recipients may follow
+  def feedFile(self,fp,sender="spam@adv.com",rcpt="victim@lamb.com",*rcpts):
+    self._body = None
+    self._bodyreplaced = False
+    self._headerschanged = False
+    self._reply = None
+    msg = rfc822.Message(fp)
+    rc = self.envfrom('<%s>'%sender)
+    if rc != Milter.CONTINUE: return rc
+    for rcpt in (rcpt,) + rcpts:
+      rc = self.envrcpt('<%s>'%rcpt)
+      if rc != Milter.CONTINUE: return rc
+    line = None
+    for h in msg.headers:
+      if h[:1].isspace():
+        line = line + h
+        continue
+      if not line:
+        line = h
+        continue
+      s = line.split(': ',1)
+      if len(s) > 1: val = s[1].strip()
+      else: val = ''
+      rc = self.header(s[0],val)
+      if rc != Milter.CONTINUE: return rc
+      line = h
+    if line:
+      s = line.split(': ',1)
+      rc = self.header(s[0],s[1])
+      if rc != Milter.CONTINUE: return rc
+    rc = self.eoh()
+    if rc != Milter.CONTINUE: return rc
+    while 1:
+      buf = fp.read(8192)
+      if len(buf) == 0: break
+      rc = self.body(buf)
+      if rc != Milter.CONTINUE: return rc
+    self._msg = msg
+    self._body = StringIO.StringIO()
+    rc = self.eom()
+    if self._bodyreplaced:
+      body = self._body.getvalue()
+    else:
+      msg.rewindbody()
+      body = msg.fp.read()
+    self._body = StringIO.StringIO()
+    self._body.writelines(msg.headers)
+    self._body.write('\n')
+    self._body.write(body)
+    return rc
+
+  ## Feed an email contained in a file to the milter.
+  # This is a convenience method that invokes @link #feedFile feedFile @endlink.
+  # @param sender MAIL FROM
+  # @param rcpts RCPT TO, multiple recipients may be supplied
+  def feedMsg(self,fname,sender="spam@adv.com",*rcpts):
+    with open('test/'+fname,'r') as fp:
+      return self.feedFile(fp,sender,*rcpts)
+
+  ## Call the connect and helo callbacks.
+  # The helo callback is not called if connect does not return CONTINUE.
+  # @param host the hostname passed to the connect callback
+  # @param helo the hostname passed to the helo callback
+  # @param ip the IP address passed to the connect callback
+  def connect(self,host='localhost',helo='spamrelay',ip='1.2.3.4'):
+    self._body = None
+    self._bodyreplaced = False
+    opts = [ Milter.CURR_ACTS,~0,0,0 ]
+    rc = self.negotiate(opts)
+    rc =  super(TestBase,self).connect(host,1,(ip,1234)) 
+    if rc != Milter.CONTINUE:
+      self.close()
+      return rc
+    rc = self.hello(helo)
+    if rc != Milter.CONTINUE:
+      self.close()
+    return rc
@@ -0,0 +1,17 @@
+# Author: Stuart D. Gathman <stuart@bmsi.com>
+# Copyright 2005 Business Management Systems, Inc.
+# This code is under the GNU General Public License.  See COPYING for details.
+
+# The localpart of SMTP return addresses is often signed.  The format
+# of the signing is application specific and doesn't concern us -
+# except that we wish to extract some sort of fixed string from
+# the variable signature which represents the "source" of the message.
+
+def unsign(s):
+  """Attempt to unsign localpart and return original email.
+  No attempt is made to verify the signature.
+  >>> unsign('SRS0=8Y3CZ=3U=jsconnor.com=bills@bmsi.com')
+  'bills@jsconnor.com'
+  """
+  # not implemented yet
+  return s
@@ -0,0 +1,202 @@
+## @package Milter.utils
+# Miscellaneous functions.
+#
+
+import re
+import struct
+import socket
+import email.Errors
+from fnmatch import fnmatchcase
+from email.Header import decode_header
+#import email.Utils
+import rfc822
+
+PAT_IP4 = r'\.'.join([r'(?:\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])']*4)
+ip4re = re.compile(PAT_IP4+'$')
+ip6re = re.compile(                 '(?:%(hex4)s:){6}%(ls32)s$'
+                   '|::(?:%(hex4)s:){5}%(ls32)s$'
+                  '|(?:%(hex4)s)?::(?:%(hex4)s:){4}%(ls32)s$'
+    '|(?:(?:%(hex4)s:){0,1}%(hex4)s)?::(?:%(hex4)s:){3}%(ls32)s$'
+    '|(?:(?:%(hex4)s:){0,2}%(hex4)s)?::(?:%(hex4)s:){2}%(ls32)s$'
+    '|(?:(?:%(hex4)s:){0,3}%(hex4)s)?::%(hex4)s:%(ls32)s$'
+    '|(?:(?:%(hex4)s:){0,4}%(hex4)s)?::%(ls32)s$'
+    '|(?:(?:%(hex4)s:){0,5}%(hex4)s)?::%(hex4)s$'
+    '|(?:(?:%(hex4)s:){0,6}%(hex4)s)?::$'
+  % {
+    'ls32': r'(?:[0-9a-f]{1,4}:[0-9a-f]{1,4}|%s)'%PAT_IP4,
+    'hex4': r'[0-9a-f]{1,4}'
+    }, re.IGNORECASE)
+
+# from spf.py
+def addr2bin(s):
+  """Convert a string IPv4 address into an unsigned integer."""
+  if s.find(':') >= 0:
+    try:
+      return bin2long6(inet_pton(s))
+    except:
+      raise socket.error("Invalid IP6 address: "+s)
+  try:
+    return struct.unpack("!L", socket.inet_aton(s))[0]
+  except socket.error:
+    raise socket.error("Invalid IP4 address: "+s)
+
+def bin2long6(s):
+    """Convert binary IP6 address into an unsigned Python long integer."""
+    h, l = struct.unpack("!QQ", s)
+    return h << 64 | l
+
+if hasattr(socket,'has_ipv6') and socket.has_ipv6:
+    def inet_ntop(s):
+        return socket.inet_ntop(socket.AF_INET6,s)
+    def inet_pton(s):
+        return socket.inet_pton(socket.AF_INET6,s.strip())
+else:
+    from pyip6 import inet_ntop, inet_pton
+
+MASK = 0xFFFFFFFFL
+MASK6 = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFL
+
+def cidr(i,n,mask=MASK):
+  return ~(mask >> n) & mask & i
+
+def iniplist(ipaddr,iplist):
+  """Return whether ip is in cidr list
+  >>> iniplist('66.179.26.146',['127.0.0.1','66.179.26.128/26'])
+  True
+  >>> iniplist('127.0.0.1',['127.0.0.1','66.179.26.128/26'])
+  True
+  >>> iniplist('192.168.0.45',['192.168.0.*'])
+  True
+  >>> iniplist('2001:610:779:0:223:6cff:fe9a:9cf3',['127.0.0.1','172.20.1.0/24','2001:610:779::/48'])
+  True
+  >>> iniplist('2G01:610:779:0:223:6cff:fe9a:9cf3',['127.0.0.1','172.20.1.0/24','2001:610:779::/48'])
+  Traceback (most recent call last):
+    ...
+  ValueError: Invalid ip syntax:2G01:610:779:0:223:6cff:fe9a:9cf3
+  """
+  if ip4re.match(ipaddr):
+    ipnum = addr2bin(ipaddr)
+  elif ip6re.match(ipaddr):
+    ipnum = bin2long6(inet_pton(ipaddr))
+  else:
+    raise ValueError('Invalid ip syntax:'+ipaddr)
+  for pat in iplist:
+    p = pat.split('/',1)
+    if ip4re.match(p[0]):
+      if len(p) > 1:
+        n = int(p[1])
+      else:
+        n = 32
+      if cidr(addr2bin(p[0]),n) == cidr(ipnum,n):
+        return True
+    elif ip6re.match(p[0]):
+      if len(p) > 1:
+        n = int(p[1])
+      else:
+        n = 128
+      if cidr(bin2long6(inet_pton(p[0])),n,MASK6) == cidr(ipnum,n,MASK6):
+        return True
+    elif fnmatchcase(ipaddr,pat):
+      return True
+  return False
+
+## Split email into Fullname and address.
+# This replaces <code>email.Utils.parseaddr</code> but fixes
+# some <a href="http://bugs.python.org/issue1025395">tricky test cases</a>.
+#
+def parseaddr(t):
+  """Split email into Fullname and address.
+
+  >>> parseaddr('user@example.com')
+  ('', 'user@example.com')
+  >>> parseaddr('"Full Name" <foo@example.com>')
+  ('Full Name', 'foo@example.com')
+  >>> parseaddr('spam@spammer.com <foo@example.com>')
+  ('spam@spammer.com', 'foo@example.com')
+  >>> parseaddr('God@heaven <@hop1.org,@hop2.net:jeff@spec.org>')
+  ('God@heaven', 'jeff@spec.org')
+  >>> parseaddr('Real Name ((comment)) <addr...@example.com>')
+  ('Real Name', 'addr...@example.com')
+  >>> parseaddr('a(WRONG)@b')
+  ('WRONG', 'a@b')
+  """
+  #return email.Utils.parseaddr(t)
+  res = rfc822.parseaddr(t)
+  # dirty fix for some broken cases
+  if not res[0]:
+    pos = t.find('<')
+    if pos > 0 and t[-1] == '>':
+      addrspec = t[pos+1:-1]
+      pos1 = addrspec.rfind(':')
+      if pos1 > 0:
+        addrspec = addrspec[pos1+1:]
+      return rfc822.parseaddr('"%s" <%s>' % (t[:pos].strip(),addrspec))
+  if not res[1]:
+    pos = t.find('<')
+    if pos > 0 and t[-1] == '>':
+      addrspec = t[pos+1:-1]
+      pos1 = addrspec.rfind(':')
+      if pos1 > 0:
+        addrspec = addrspec[pos1+1:]
+      return rfc822.parseaddr('%s<%s>' % (t[:pos].strip(),addrspec))
+  return res
+    
+
+def parse_addr(t):
+  """Split email into user,domain.
+
+  >>> parse_addr('user@example.com')
+  ['user', 'example.com']
+  >>> parse_addr('"user@example.com"')
+  ['user@example.com']
+  >>> parse_addr('"user@bar"@example.com')
+  ['user@bar', 'example.com']
+  >>> parse_addr('foo')
+  ['foo']
+  >>> parse_addr('@mx.example.com:user@example.com')
+  ['user', 'example.com']
+  >>> parse_addr('@user@example.com')
+  ['@user', 'example.com']
+  """
+  if t.startswith('<') and t.endswith('>'): t = t[1:-1]
+  if t.startswith('"'):
+    if t.endswith('"'): return [t[1:-1]]
+    pos = t.find('"@')
+    if pos > 0: return [t[1:pos],t[pos+2:]]
+  if t.startswith('@'):
+    try: t = t.split(':',1)[1]
+    except IndexError: pass
+  return t.rsplit('@',1)
+
+## Decode headers gratuitously encoded to hide the content.
+# Spammers often encode headers to obscure the content from
+# spam filters.  This function decodes gratuitously encoded
+# headers.
+# @param val    the raw header value
+# @return the decoded value or the original raw value
+
+def parse_header(val):
+  """Decode headers gratuitously encoded to hide the content.
+  """
+  try:
+    h = decode_header(val)
+    if not len(h) or (not h[0][1] and len(h) == 1): return val
+    u = []
+    for s,enc in h:
+      if enc:
+        try:
+          u.append(unicode(s,enc,'replace'))
+        except LookupError:
+          u.append(unicode(s))
+      else:
+        u.append(unicode(s))
+    u = ''.join(u)
+    for enc in ('us-ascii','iso-8859-1','utf8'):
+      try:
+        return u.encode(enc)
+      except UnicodeError: continue
+  except UnicodeDecodeError: pass
+  except LookupError: pass
+  except ValueError: pass
+  except email.Errors.HeaderParseError: pass
+  return val
@@ -1,6 +1,46 @@
-Here is a history of user visible changes to Python milter.
+See pymilter.spec for recent history.

+Here is a history of older changes to Python milter.
+0.8.8	move AddrCache, parse_addr, iniplist, parse_header to Milter package
+	fix plock for missing source and can't change owner/group
+	add sample spfmilter.py milter
+	private_relay config option
+0.8.7	Move spf module to pyspf
+	Prevent PTR cache poisoning
+	More lame bounce heuristics
+	Do plain CBV when template is missing
+0.8.6	Support CBV timeout
+	Support fail template, headers in templates
+	Create GOSSiP record only when connection will procede to DATA.
+	More SPF lax heuristics
+	Don't require SPF pass for white/black listing mail from trusted relay.
+	Support localpart wildcard for white and black lists.
+	Delay reject of unsigned RCPT for postmaster and abuse only
+	Fix dsn reporting of hard permerror
+	Resolve FIXME for wrap_close in miltermodule.c
+	Add Message-ID to DSNs
+	Use signed Message-ID in delayed reject to blacklist senders
+	Auto-train via blacklist and auto-whitelist
+	Don't check userlist for signed MFROM
+	Accept but skip DSPAM training for whitelisted senders without SPF PASS
+	Report GC stats 
+	Support CIDR matching for IP lists
+	Support pysrs sign feature
+	Support localpart specific SPF policy in access file
+0.8.5	Simple trusted_forwarder implementation.
+	Fix access_file neutral policy
+	Move Received-SPF header to beginning of headers
+	Supply keyword info for all results in Received-SPF header.
+	Move guessed SPF result to separate header
+	Activate smfi_insheader only when SMFIR_INSHEADER defined
+	Handle NULL MX in spf.py
+	in-process GOSSiP server support (to be extended later)
+	Expire CBV cache and renew auto-whitelist entries
 0.8.4	Auto-whitelist recipients of outgoing email.
+	Fix SPF policy via sendmail access map (case insensitive keys).
+	Train screener on whitelisted messages
+	Optional idx parameter to addheader to invoke smfi_insheader
+	Activate progress API when SMFIR_PROGRESS defined
 0.8.3   Keep screened honeypot mail, but optionally discard honeypot only mail.
 	spf_accept_fail option for braindead SPF senders 
 	  (treats fail like softfail)
@@ -42,7 +42,7 @@ Quick Installation
 1. Build and install Sendmail, enabling libmilter (see libmilter/README).
 2. Build and install Python, enabling threading.
 3. Install this module: python setup.py --help
-4. Add these two lines to sendmail.cf:
+4. Add these two lines to sendmail.cf[*]:

 O InputMailFilters=pythonfilter
 Xpythonfilter,        S=local:/home/username/pythonsock
@@ -51,9 +51,17 @@ Xpythonfilter,        S=local:/home/username/pythonsock
 Note that milters should almost certainly not run as root.

 That's it.  Incoming mail will cause the milter to print some things, and
-some email will be rejected (see the "header" method).  Edit and play.  See
-bms.py for an example milter used in production.
+some email will be rejected (see the "header" method).  Edit and play.  
+See spfmilter.py for a functional SPF milter, or see bms.py for an complex
+milter used in production.

+[*] This is for a quick test.  Your sendmail.cf in most distros will get
+overwritten whenever sendmail.mc is updated.  To make a milter permanent,
+add something like:
+
+INPUT_MAIL_FILTER(`pythonfilter', `S=local:/home/username/pythonsock, F=T, T=C:5m;S:20s;R:5m;E:5m')
+
+to sendmail.mc instead.

 Not-so-quick Installation
 -------------------------
@@ -61,8 +69,7 @@ Not-so-quick Installation
 First install Sendmail.  Make sure you read libmilter/README in the Sendmail
 source directory, and make sure you enable libmilter before you build.  The
 8.11 series had libmilter marked as FFR (For Future Release); 8.12
-officially
-supports libmilter, but it's still not built by default.
+officially supports libmilter, but it's still not built by default.

 Install Python, and enable threading in Modules/Setup.

@@ -90,8 +97,10 @@ some options associated with it.  In this case, we have the "S" option, which
 names the socket that sendmail will use to communicate with this particular
 milter.  This milter's socket is a unix-domain socket in the filesystem.
 See libmilter/README for the definitive list of options.
+
 NB: The name is specified in two places: here, in sendmail's cf file, and
 in the milter itself.  Make sure the two match.
+
 NB: The above lines can be added in your .mc file with this line:

 INPUT_MAIL_FILTER(`pythonfilter', `S=local:/home/username/pythonsock')
@@ -1,65 +1,6 @@
-Send DSN for permerror before processing extended result.  An additional
-DSN may be sent based on extended result.
+Support smfi_negotiate and auto negotiate only those callbacks for which 
+Milter.Milter methods have been overridden.  (Python should be able to
+do that.)

-Rescind whitelist for banned extensions, in case sender is infected.
-
-Train honeypot on error only.
-
-Find rfc2822 policy for MFROM quoting.
-
-Support explicit errors for SPF policy in access file:
-SPF-Neutral:aol.com	ERROR:"550 AOL mail must get SPF PASS"
-
-Defer TEMPERROR in SPF evaluation - give precedence to security
-(only defer for PASS mechanisms).
-
-Option to add Received-SPF header, but never reject on SPF.
-  I think the above will handle this.
-
-Create null config that does nothing - except maybe add Received-SPF
-headers.  Many admins would like to turn features on one at a time.
-
-Can't output messages with malformed rfc822 attachments.
-
-Move milter,Milter,mime,spf modules to pymilter
-milter package will have bms.py application
-
-Web admin interface
-message log for automated stats and blacklisting
-Skip dspam when SPF pass? NO
-Report 551 with rcpt on SPF fail?
-check spam keywords with character classes, e.g.
-	{a}=[a@ãä], {i}=[i1í], {e}=[eë], {o}=[o0ö]
-
-Implement RRS - a backdoor for non-SRS forwarders.  User lists non-SRS 
-forwarder accounts, and a util provides a special local alias for the
-user to give to the forwarder.  (Or user just adds arbitrary alias
-unique to that forwarder to a database.)  Alias only works for mail from that
-forwarder.  Milter gets forwarder domain from alias and uses it to
-SPF check forwarder.
-
-Framework for modular Python milter components within a single VM.
-Python milters can be already be composed through sendmail by running each in
-a separate process.  However, a significant amount of memory is wasted
-for each additional Python VM, and communication between milters
-is cumbersome (e.g., adding mail headers, writing external files).
-
-Backup copies for outgoing/incoming mail.
-
-Copy incoming wiretap mail, even though sendmail alias works perfectly
-for the purpose, to avoid having to change two configs for a wiretap.
-
-Provide a way to reload milter.cfg without stopping/restarting milter.
-
-Allow selected Windows extensions for specific domains via milter.cfg
-
-Fix setup.py so that _FFR_QUARANTINE is automatically defined when
-available in libmilter.
-
-Keep separate ismodified flag for headers and body.  This is important
-when rejecting outgoing mail with viruses removed (so as not to
-embarrass yourself), and also removing Received headers with hidepath.
-
-Need a test module to feed sample messages to a milter though a live 
-sendmail and SMTP.  The mockup currently used is probably not very accurate,
-and doesn't test the threading code.
+Lookup exact RFC syntax of real name / email and make 
+Milter.utils.parse_addr() pass all unit tests.
@@ -1,153 +0,0 @@
-#!/usr/bin/python2.3
-
-# Convert a MS Caller-ID entry (XML) to a SPF entry
-#
-# (c) 2004 by Ernesto Baschny
-# (c) 2004 Python version by Stuart Gathman
-#
-# Date: 2004-02-25
-# Version: 1.0
-#
-# Usage:
-#  ./cid2spf.pl "<ep xmlns='http://ms.net/1'>...</ep>"
-#
-# Note that the 'include' directives will also have to be checked and
-# "translated". Future versions of this script might be able to get a
-# domain name as an argument and "crawl" the DNS for the necessary
-# information.
-#
-# A complete reverse translation (SPF -> CID) might be impossible, since
-# there are no way to handle:
-# - PTR and EXISTS mechanism 
-# - MX mechanism with an different domain as argument
-# - macros
-# 
-# References:
-# http://www.microsoft.com/mscorp/twc/privacy/spam_callerid.mspx
-# http://spf.pobox.com/
-#
-# Known bugs:
-# - Currently it won't handle the exclusions provided in the A and R
-#   tags (prefix '!'). They will show up "as-is" in the SPF record
-# - I really haven't read the MS-CID specs in-depth, so there are probably
-#   other bugs too :)
-#
-# Ernesto Baschny <ernst@baschny.de>
-#
-
-import xml.sax
-import spf
-
-# -------------------------------------------------------------------------
-class CIDParser(xml.sax.ContentHandler):
-  "Convert a MS Caller-ID entry (XML) to a SPF entry"
-
-  def __init__(self,q=None):
-    self.spf = []
-    self.action = '-all'
-    self.has_servers = None
-    self.spf_entry = None
-    if q:
-      self.spf_query = q
-    else:
-      self.spf_query = spf.query(i='127.0.0.1', s='localhost', h='unknown')
-
-  def startElement(self,tag,attr):
-      if tag == 'm':
-	if self.has_servers != None and not self.has_servers:
-	  raise ValueError(
-    "Declared <noMailServers\> and later <m>, this CID entry is not valid."
-	  )
-	self.has_servers = True
-      elif tag == 'noMailServers':
-	if self.has_servers:
-	  raise ValueError(
-    "Declared <m> and later <noMailServers\>, this CID entry is not valid."
-	  )
-	self.has_servers = False
-      elif tag == 'ep':
-	if attr.has_key('testing') and attr.getValue('testing') == 'true':
-	  # A CID with 'testing' found:
-	  # From the MS-specs:
-	  #  "Documents in which such attribute is present with a true
-	  #  value SHOULD be entirely ignored (one should act as if the
-	  #  document were absent)"
-	  # From the SPF-specs:
-	  #  "Neutral (?): The SPF client MUST proceed as if a domain did
-	  #  not publish SPF data."
-	  # So we set SPF action to "neutral":
-	  self.action = '?all'
-      elif tag == 'mx':
-	  # The empty MX-tag, same as SPF's MX-mechanism
-	  self.spf.append('mx')
-      self.tag = tag
-
-  def characters(self,text):
-	tag = self.tag
-	# Remove starting and trailing spaces from text:
-	text = text.strip()
-
-	if tag == 'a' or tag == 'r':
-	    # The A and R tags from MS-CID are both handled by the 
-	    # ipv4/6-mechanisms from SPF:
-	    if text.find(':') < 0:
-	      mechanism = 'ip4'
-	    else:
-	      mechanism = 'ip6'
-	    self.spf.append(mechanism + ':' + text)
-	elif tag == 'indirect':
-	    # MS-CID's indirect is "sort of" the include from SPF:
-	    # Not really true, because the <indirect> tag from MS-CID also 
-	    # provides a fallback in case the included domain doesn't provide
-	    # _ep-records: The inbound MX-servers of the included domains
-	    # are added to the list of allowed outgoing mailservers for the
-	    # domain that declared the _ep-record with the <indirect> tag.
-	    # In SPF you would use the 'mx:domain' to handle this, but this
-	    # wouldn't depend on referred domain having or not SPF-records.
-	    cid_xml = self.cid_txt(text)
-	    if cid_xml:
-	      p = CIDParser()
-	      xml.sax.parseString(cid_xml,p)
-	      if p.has_servers != False:
-		self.spf += p.spf
-	    else:
-	      self.spf.append('mx:' + text)
-
-  def cid_txt(self,domain):
-    q = self.spf_query
-    domain='_ep.' + domain
-    a = q.dns_txt(domain)
-    if not a: return None
-    if a[0].lower().startswith('<ep ') and a[-1].lower().endswith('</ep>'):
-      return ''.join(a)
-    return None
-
-  def endElement(self,tag):
-      if tag == 'ep':
-	# This is the end... assemble what we've got
-	spf_entry = ['v=spf1']
-	if self.has_servers != False:
-	  spf_entry += self.spf
-	spf_entry.append(self.action)
-	self.spf_entry = ' '.join(spf_entry)
-
-  def spf_txt(self,cid_xml):
-    if not cid_xml.startswith('<'):
-      cid_xml = self.cid_txt(cid_xml)
-      if not cid_xml: return None
-    # Parse the beast. Any XML-problem will be reported by xlm.sax
-    self.spf_entry = None
-    xml.sax.parseString(cid_xml,self)
-    return self.spf_entry
-
-if __name__ == '__main__':
-  import sys
-  if len(sys.argv) < 2:
-    print >>sys.stderr, \
-      """Usage: %s "<ep xmlns='http://ms.net/1'>...</ep>" """ % sys.argv[0]
-    sys.exit(1)
-
-  cid_xml = sys.argv[1]
-
-  p = CIDParser()
-  print p.spf_txt(cid_xml)
@@ -0,0 +1,53 @@
+## @mainpage Writing Milters in Python
+#
+# At the lowest level, the <code>milter</code> module provides a thin wrapper
+# around the <a href="https://www.milter.org/developers/api/index"> sendmail
+# libmilter API</a>.  This API lets you register callbacks for a number of
+# events in the process of sendmail receiving a message via SMTP.  These
+# events include the initial connection from a MTA, the envelope sender and
+# recipients, the top level mail headers, and the message body.  There are
+# options to mangle all of these components of the message as it passes through
+# the milter.
+# 
+# At the next level, the <code>Milter</code> module (note the case difference)
+# provides a Python friendly object oriented wrapper for the low level API.  To
+# use the Milter module, an application registers a 'factory' to create an
+# object for each connection from a MTA to sendmail.  These connection objects
+# must provide methods corresponding to the libmilter callback events.
+# 
+# Each event method returns a code to tell sendmail whether to proceed with
+# processing the message.  This is a big advantage of milters over other mail
+# filtering systems.  Unwanted mail can be stopped in its tracks at the
+# earliest possible point.
+# 
+# The <code>Milter.Base</code> class provides default implementations for
+# event methods that do nothing, and also provides wrappers for the libmilter
+# methods to mutate the message.  It automatically negotiates with MTA
+# which protocol steps need to be processed by the milter, based on
+# which callback methods are overridden.
+#
+# The <code>Milter.Milter</code> class provides an alternate default
+# implementation that logs the main milter events, but otherwise does nothing.
+# It is provided for compatibility.
+# 
+# The <code>mime</code> module provides a wrapper for the Python email package
+# that fixes some bugs, and simplifies modifying selected parts of a MIME
+# message.
+#
+# @section threading
+#
+# The libmilter library which pymilter wraps 
+# <a href="https://www.milter.org/developers/overview#SignalHandling">handles
+# all signals</a> itself, and expects to be called from a single main thread.
+# It handles SIGTERM, SIGHUP, and SIGINT, mapping the first two to 
+# <a href="https://www.milter.org/developers/api/smfi_stop">smfi_stop</a>
+# and the last to an internal ABORT.
+#
+# If you use python threads or threading modules, then signal handling gets
+# confused.  Threads may still be useful, but you may need to provide an
+# alternate means of causing graceful shutdown.
+#
+# You may find the
+# <a href="http://docs.python.org/release/2.6.6/library/multiprocessing.html">
+# multiprocessing</a> module useful.  It can be a drop-in
+# replacement for threading as illustrated in @ref milter-template.py.
@@ -0,0 +1,177 @@
+# Document miltermodule for Doxygen
+#
+
+## @package milter
+#
+# A thin wrapper around libmilter.
+#
+
+## Hold context for a milter connection.
+# Each connection to sendmail creates a new <code>SMFICTX</code> struct within
+# libmilter.  The milter module in turn creates a milterContext
+# tied to the <code>SMFICTX</code> struct via <code>smfi_setpriv</code>
+# to hold a PyThreadState and a user defined Python object for the connection.
+# 
+# Most application interaction with libmilter takes places via 
+# the milterContext object for the connection.  It is passed to
+# callback functions as the first parameter.
+#
+# The <code>Milter</code> module creates a python class for each connection,
+# and converts function callbacks to instance method invocations.
+#
+class milterContext(object):
+  ## Calls <a href="https://www.milter.org/developers/api/smfi_getsymval">smfi_getsymval</a>.
+  def getsymval(self,sym): pass
+  ## Calls <a href="https://www.milter.org/developers/api/smfi_setreply">
+  # smfi_setreply</a> or
+  # <a href="https://www.milter.org/developers/api/smfi_setmlreply">
+  # smfi_setmlreply</a>.
+  # @param rcode SMTP response code
+  # @param xcode extended SMTP response code
+  # @param msg one or more message lines.  If the MTA does not support 
+  #     multiline messages, only the first is used.
+  def setreply(self,rcode,xcode,*msg): pass
+  ## Calls <a href="https://www.milter.org/developers/api/smfi_addheader">smfi_addheader</a>.
+  def addheader(self,name,value,idx=-1): pass
+  ## Calls <a href="https://www.milter.org/developers/api/smfi_chgheader">smfi_chgheader</a>.
+  def chgheader(self,name,idx,value): pass
+  ## Calls <a href="https://www.milter.org/developers/api/smfi_addrcpt">smfi_addrcpt</a>.
+  def addrcpt(self,rcpt,params=None): pass
+  ## Calls <a href="https://www.milter.org/developers/api/smfi_delrcpt">smfi_delrcpt</a>.
+  def delrcpt(self,rcpt): pass
+  ## Calls <a href="https://www.milter.org/developers/api/smfi_replacebody">smfi_replacebody</a>.
+  def replacebody(self,data): pass
+  ## Attach a Python object to this connection context.
+  # @return the old value or None
+  def setpriv(self,priv): pass
+  ## Return the Python object attached to this connection context.
+  def getpriv(self): pass
+  ## Calls <a href="https://www.milter.org/developers/api/smfi_quarantine">smfi_quarantine</a>.
+  def quarantine(self,reason): pass
+  ## Calls <a href="https://www.milter.org/developers/api/smfi_progress">smfi_progress</a>.
+  def progress(self): pass
+  ## Calls <a href="https://www.milter.org/developers/api/smfi_chgfrom">smfi_chgfrom</a>.
+  def chgfrom(self,sender,param=None): pass
+  ## Tell the MTA which macro values we are interested in for a given stage.
+  # Of interest only when you need to squeeze a few more bytes of bandwidth.
+  # It may only be called from the negotiate callback.
+  # The protocol stages are 
+  # M_CONNECT, M_HELO, M_ENVFROM, M_ENVRCPT, M_DATA, M_EOM, M_EOH.
+  # Calls <a href="https://www.milter.org/developers/api/smfi_setsymlist">smfi_setsymlist</a>.
+  # @param stage protocol stage in which the macro list should be used
+  def setsymlist(self,stage,macrolist): pass
+
+class error(Exception): pass
+
+## Enable optional milter actions.
+# Certain milter actions need to be enabled before calling main()
+# or they throw an exception.  Pymilter enables them all by
+# default (since 0.9.2), but you may wish to disable unneeded
+# actions as an optimization.
+# @param flags Bit or mask of optional actions to enable
+def set_flags(flags): pass
+
+def set_connect_callback(cb): pass
+def set_helo_callback(cb): pass
+def set_envfrom_callback(cb): pass
+def set_envrcpt_callback(cb): pass
+def set_header_callback(cb): pass
+def set_eoh_callback(cb): pass
+def set_body_callback(cb): pass
+def set_abort_callback(cb): pass
+def set_close_callback(cb): pass
+
+## Sets the return code for untrapped Python exceptions during a callback.
+# Must be one of TEMPFAIL,REJECT,CONTINUE.  The default is TEMPFAIL.
+# You should not depend on this handler.  Your application should
+# have its own top level exception handler for each callback.  You can
+# then choose your own reply message, log the stack track were you please,
+# and so on.  However, if you miss one, this last ditch handler will
+# print a standard stack trace to sys.stderr, and return to sendmail.
+def set_exception_policy(code): pass
+
+## Register python milter with libmilter.
+# The name we pass is used to identify the milter in the MTA configuration.
+# Callback functions must be set using the set_*_callback() functions before
+# registering the milter.
+# Three additional callbacks are specified as keyword parameters.  These
+# were added by recent versions of libmilter.  The keyword parameters is
+# a nicer way to do it, I think, since it makes clear that you have to do
+# it before registering.  I may move all the callbacks 
+# in the future (perhaps keeping the set functions for compatibility).
+# @param name the milter name by which the MTA finds us
+# @param negotiate the
+#       <a href="https://www.milter.org/developers/api/xxfi_negotiate">
+#       xxfi_negotiate</a> callback, called to negotiate supported
+#       actions, callbacks, and protocol steps.
+# @param unknown the
+#       <a href="https://www.milter.org/developers/api/xxfi_unknown">
+#       xxfi_unknown</a> callback, called when for SMTP commands
+#       not recognized by the MTA. (Extend SMTP in your milter!)
+# @param data the
+#       <a href="https://www.milter.org/developers/api/xxfi_data">
+#       xxfi_data</a> callback, called when the DATA
+#       SMTP command is received.
+def register(name,negotiate=None,unknown=None,data=None): pass
+def opensocket(rmsock): pass
+
+## Transfer control to libmilter.
+# Calls <a href="https://www.milter.org/developers/api/smfi_main">
+#   smfi_main</a>.
+def main(): pass
+
+## Set the libmilter debugging level.
+# <a href="https://www.milter.org/developers/api/smfi_setdbg">smfi_setdbg</a>
+# sets the milter library's internal debugging level to a new level
+# so that code details may be traced. A level of zero turns off debugging. The
+# greater (more positive) the level the more detailed the debugging. Six is the
+# current, highest, useful value.  Must be called before calling main().
+def setdbg(lev): pass
+
+## Set timeout for MTA communication.
+# Calls <a href="https://www.milter.org/developers/api/smfi_settimeout">
+# smfi_settimeout</a>.  Must be called before calling main().
+def settimeout(secs): pass
+
+## Set socket backlog.
+# Calls <a href="https://www.milter.org/developers/api/smfi_setbacklog">
+# smfi_setbacklog</a>.  Must be called before calling main().
+def setbacklog(n): pass
+
+## Set the socket used to communicate with the MTA.
+# The MTA can communicate with the milter by means of a
+# unix, inet, or inet6 socket. By default, a unix domain socket
+# is used.  It must not exist,
+# and sendmail will throw warnings if, eg, the file is under a
+# group or world writable directory.
+# <pre>
+# setconn('unix:/var/run/pythonfilter')
+# setconn('inet:8800') 			# listen on ANY interface
+# setconn('inet:7871@@publichost')	# listen on a specific interface
+# setconn('inet6:8020')
+# </pre>
+def setconn(s): pass
+
+## Stop the milter gracefully.
+def stop(): pass
+
+## Retrieve diagnostic info.
+# Return a tuple with diagnostic info gathered by the milter module.
+# The first two fields are counts of milterContext objects created
+# and deleted.  Additional fields may be added later.
+# @return a tuple of diagnostic data
+def getdiag(): pass
+
+## Retrieve the runtime libmilter version.
+# Return the runtime libmilter version. This can be different
+# from the compile time version when sendmail or libmilter is upgraded
+# after pymilter is compiled.
+# @return a tuple of <code>(major,minor,patchlevel)</code>
+def getversion(): pass
+
+## The compile time libmilter version.
+# Python code might need to deal with pymilter compiled 
+# against various versions of libmilter.  This module constant 
+# contains the contents of the <code>SMFI_VERSION</code> macro when
+# the milter module was compiled.
+VERSION = 0x1000001
@@ -1,198 +0,0 @@
-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
-<html>
-<head>
-<title>Python Milter FAQ</title>
-</head><body>
-
-<h1> Python Milter <a name=faq>FAQ</a> </h1>
-
-<ol>
-<h3> Compiling Python Milter </h3>
-<li> Q. I have installed sendmail from source, but Python milter won't
-compile.
-<p>  A. Even though libmilter is officially supported in sendmail-8.12, 
-you need to build and install it in separate steps.  Take a look
-at the <a href="/aix/sendmail12.spec">RPM spec file</a> for sendmail-8.12.  
-The %prep section shows you how to create
-a site.config.m4 that enables MILTER.  The %build section shows you how
-to build libmilter in a separate invocation of make.  The %install section
-shows you how to install libmilter with a separate invocation of make.
-<p>
-
-<li> Q. Why is mfapi.h not found when I try to compile Python milter on
-RedHat 7.2?
-<p>  A. RedHat forgot to include the header in the RPM.  See the
-<a href="milter.html#rh72">RedHat 7.2 requirements</a>.
-<p>
-
-<h3> Running Python Milter </h3>
-
-<li> Q. The sample.py milter prints a message, then just sits there.
-<pre>
-To use this with sendmail, add the following to sendmail.cf:
-
-O InputMailFilters=pythonfilter
-Xpythonfilter,        S=local:inet:1030@localhost
-
-See the sendmail README for libmilter.
-sample  milter startup
-</pre>
-<p>  A. You need to tell sendmail to connect to your milter.  The
-sample milter tells you what to add to your sendmail.cf to tell
-sendmail to use the milter.  You can also add an INPUT_MAIL_FILTER
-macro to your sendmail.mc file and rebuild sendmail.cf - see the sendmail
-README for milters.
-<p>
-
-<li> Q. I've configured sendmail properly, but still nothing happens
-when I send myself mail!
-<p>  A. Sendmail only milters SMTP mail.  Local mail is not miltered.
-You can pipe a raw message through sendmail to test your milter:
-<pre>
-$ cat rawtextmsg | sendmail myname@my.full.domain
-</pre>
-Now check your milter log.
-<p>
-
-<li> Q. Why do I get this ImportError exception?
-<pre>
-File "mime.py", line 370, in ?
-    from sgmllib import declstringlit, declname
-    ImportError: cannot import name declstringlit
-</pre>
-<p>  A. <code>declstringlit</code> is not provided by sgmllib in all versions
-of python.  For instance, python-2.2 does not have it.  Upgrade to
-milter-0.4.5 or later to remove this dependency.
-<p>
-
-<li> Q. Why do I get <code>milter.error: cannot add recipient</code>?
-<pre>
-</pre>
-<p>  A. You must tell libmilter how you might mutate the message with
-<code>set_flags()</code> before calling <code>runmilter()</code>.  For
-instance, <code>Milter.set_flags(Milter.ADDRCPT)</code>.  You must add together
-all of <code>ADDHDRS, CHGBODY, ADDRCPT, DELRCPT, CHGHDRS</code> that apply.
-<p> NOTE - recent versions default flags to enabling all features.  You
-must now call <code>set_flags()</code> if you wish to disable features for
-efficiency.
-<p>
-
-<li> Q. Why does sendmail sometimes print something like:
-"...write(D) returned -1, expected 5: Broken pipe"
-in the sendmail log?
-<p>  A. Libmilter expects "rcpt to" shortly after getting "mail from".
-"Shortly" is defined by the timeout parameter you passed to
-<code>Milter.runmilter()
-</code> or <code>milter.settimeout()</code>.  If the timeout is 10 seconds,
-and looking up the first recipient in DNS takes more than
-10 seconds, libmilter will give up and break the connection.  
-<code>Milter.runmilter()</code> defaulted to 10 seconds in 0.3.4.  In 0.3.5
-it will keep the libmilter default of 2 hours.
-<p>
-
-<li> Q. Why does milter block messages with big5 encoding?  What if I
-want to receive them?
-<p>  A. sample.py is a sample.  It is supposed to be easily modified
-for your specific needs.  We will of course continue to move generic
-code out of the sample as the project evolves.  Think of sample.py as
-an active config file.
-<p>
-If you are running bms.py, then the block_chinese option in 
-<code>/etc/mail/pymilter.cfg</code> controls this feature.
-<p>
-
-<li> Q. Why does sendmail coredump with milters on OpenBSD?
-<p>  A. Sendmail has a problem with unix sockets on old versions of OpenBSD.
-Use an internet domain socket instead.  For example, in
-<code>sendmail.cf</code> use
-<pre>
-Xpythonfilter, S=inet:1234@localhost
-</pre>
-and change sample.py accordingly.
-<p> OpenBSD users report that this problem has been fixed.
-<p>
-
-<li> Q. How can I change the bounce message for an invalid recipient?
-I can only change the recipient in the eom callback, but the eom callback
-is never called when the recipient is invalid!
-<p>  A. Configure sendmail to use virtusertable, and send all unknown
-addresses to /dev/null.  For example,
-<h4>/etc/mail/virtusertable</h4>
-<pre>
-@mycorp.com	dev-null
-dan@mycorp.com	dan
-sally@mycorp.com	sally
-</pre>
-<h4>/etc/aliases</h4>
-<pre>
-dev-null:	/dev/null
-</pre>
-Now your milter will get to the eom callback, and can change the
-envelope recipient at will.  Thanks to Dredd at 
-<a href=http://www.milter.org/>milter.org</a> for this solution.
-<p>
-
-<li> Q. I am having trouble with the setreply method.  It always outputs
-	"milter.error: cannot set reply".
-<p>  A. Check the sendmail log for errors.  If sendmail is getting
-milter timeouts, then your milter is taking too long and sendmail gave
-up waiting.  You can adjust the timeouts in your sendmail config.  Here
-is a milter declaration for sendmail.cf with all timeouts specified:
-<pre>
-Xpythonfilter, S=local:/var/log/milter/pythonsock, F=T, T=C:5m;S:20s;R:60s;E:5m
-</pre>
-<li> Q. There is a Python traceback in the log file!  What happened to
-	my email?
-<p>  A. When the milter fails with an untrapped exception, a TEMPFAIL
-result (451) is returned to the sender.  The sender will then retry every
-hour or so for several days.  Hopefully, someone will notice the 
-traceback, and workaround or fix the problem.
-
-<li> Q. I read some notes such as "Check valid domains allowed by internal
-	senders to detect PCs infected with spam trojans." but could not
-	understand the idea. Could you clarify the content ?
-
-<p>  A. The <code>internal_domains</code> configuration specifies which
-MAIL FROM domains are used by internal connections.  If an internal
-PC tries to use some other domain, it is assumed to be a "Zombie".
-<p>
-Here is a sample log line:
-<pre>
-2005Jun22 12:01:04 [12430] REJECT: zombie PC at  192.168.100.171  sending MAIL FROM  debby@fedex.com
-</pre>
-No, fedex.com does not use pymilter, and there is no one named debby at my
-client.  But the idiot using the PC at 192.168.100.171 has downloaded and
-installed some stupid weatherbar/hotbar/aquariumscreensaver that is actually a
-spam bot.
-<p>
-The <code>internal_domains</code> option is simplistic, it assumes all
-valid senders of the domains are internal.  SPF provides a much more general
-check of IP and MAIL FROM for external email.  Pymilter should soon
-have a local policy feature for more general checking of internal mail.
-
-<h3> Using SPF </h3>
-
-<a name="spf">
-<li> Q. So how do I use the SPF support?  The sample.py milter doesn't seem
-        to use it.
-<p>  A. The bms.py milter supports spf.  The RedHat RPMs will set almost
-everything up for you.  For other systems:
-<ol type=i>
-<li> Arrange to run bms.py in the background (as a service perhaps) and
-     redirect output and errors to a logfile.  For instance, on AIX you'll want
-     to use SRC (System Resource Controller).  
-<li> Copy pymilter.cfg to the /etc/mail or the directory you run bms.py in,
-     and edit it.  The comments should explain the options. 
-<li> Start bms.py in the background as arranged.
-<li> Add Xpythonfilter to sendmail.cf or add an INPUT_MAIL_FILTER to
-     sendmail.mc.  Regen sendmail.cf if you use sendmail.mc and restart 
-     sendmail.
-<li> Arrange to rotate log files and remove old defang files in 
-     <code>tempdir</code>.  The RedHat RPM uses <code>logrotate</code> for
-     logfiles and a simple cron script using <code>find</code> to clean
-     <code>tempdir</code>.
-</ol>
-
-</ol>
-</body>
-</html>
@@ -1,76 +0,0 @@
-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.1 Final//EN">
-<html>
-<head>
-<title>Python Milter Log Documentation</title>
-<style>
-DT              { font-weight: bolder; padding-top: 1em }
-</style>
-</head><body>
-
-<h1> Milter Log Documentation </h1>
-
-The milter log has a variety of "tags" in it that indicate what it did.
-
-<dl>
-<dt> DSPAM: honeypot SCREENED
-<dd> message was quarantined to the honeypot quarantine
-
-<dt> REJECT: hello SPF: fail 550 access denied
-<dt> REJECT: hello SPF: softfail 550 domain in transition
-<dt> REJECT: hello SPF: neutral 550 access neither permitted nor denied
-<dd> message was rejected because there was an SPF policy for the
-HELO name, and it did not pass.
-
-<dt> CBV: sender-17-44662668-643@bluepenmagic.com
-<dd> we performed a call back verification
-
-<dt> dspam
-<dd> dspam identifier was added to the message
-
-<dt> REJECT: spam from self: jsconnor.com
-<dd> message was reject because HELO was us (jsconnor.com)
-
-<dt> INNOC: richh
-<dd> message was used to update richh's dspam dictionary
-
-<dt> HONEYPOT: michaelb@jsconnor.com
-<dd> message was sent to a honeypot address (michaelb@jsconnor.com), the 
-message was added to the honeypot dspam dictionary as spam
-
-<dt> REJECT: numeric hello name: 63.217.19.146
-<dd> message was rejected because helo name was invalid (numeric)
-
-<dt> eom
-<dd> message was successfully received
-
-<dt> TEMPFAIL: CBV: 450 No MX servers available
-<dd> we tried to do a call back verification but could not look up 
-MX record, we told the sender to try again later
-
-<dt> CBV: info@emailpizzahut.com (cached)
-<dd> call back verification was needed, we had already done it recently
-
-<dt> abort after 0 body chars
-<dd> sender hung up on us
-
-<dt> REJECT: SPF fail 550 SPF fail: see 
-  http://openspf.com/why.html?sender=m.hendersonxk@163.net&ip=213.47.161.100
-<dd> message was reject because its sender's spf policy said to
-
-<dt> REJECT: Subject: Cialis - No prescription needed!
-<dd> message was rejected because its subject contained a bad expression
-
-<dt> DSPAM: tonyc tonyc@jsconnor.com
-<dd> message was sent to tonyc@jsconnor.com and it was identified as spam 
-and placed in the tonyc dspam quarantine
-
-<dt> REJECT: CBV: 550 calvinalstonis@ix.netcom.com...User unknown
-<dt> REJECT: CBV: 553 sorry, that domain isn't in my list
-<dt> REJECT: CBV: 554 delivery error: dd This user doesn't have an account 
-<dd> message was rejected because call back verification gave us a fatal
-error
-</dl>
-
-Please add more tags to this list if you know of any. Thanks.
-</body>
-</html>
@@ -0,0 +1,15 @@
+web:
+	doxygen
+	rsync -ravK doc/html/ spidey2.bmsi.com:/Public/pymilter
+
+VERSION=0.9.8
+CVSTAG=pymilter-0_9_8
+PKG=pymilter-$(VERSION)
+SRCTAR=$(PKG).tar.gz
+
+$(SRCTAR):
+	cvs export -r$(CVSTAG) -d $(PKG) pymilter
+	tar cvfz $(PKG).tar.gz $(PKG)
+	rm -r $(PKG)
+
+cvstar: $(SRCTAR)
@@ -0,0 +1,79 @@
+## A very simple milter to prevent mixing of internal and external mail.  
+# Internal is defined as using one of a list of internal top level domains.
+#  This code is open-source on the same terms as Python.
+
+import Milter
+import time
+import sys
+from Milter.utils import parse_addr
+
+internal_tlds = ["corp", "personal"]
+
+## Determine if a hostname is internal or not. 
+# True if internal, False otherwise
+def is_internal(hostname):
+    components = hostname.split(".")
+    return components.pop() in internal_tlds:
+
+# Determine if internal and external hosts are mixed based on a list
+# of hostnames
+def are_mixed(hostnames):
+    hostnames_mapped = map(is_internal, hostnames)
+
+    # Num internals
+    num_internal_hosts = hostnames_mapped.count(True)
+
+    # Num externals
+    num_external_hosts = hostnames_mapped.count(False)
+
+    return num_external_hosts >= 1 and num_internal_hosts >= 1
+
+class NoMixMilter(Milter.Base):
+
+  def __init__(self):  # A new instance with each new connection.
+    self.id = Milter.uniqueID()  # Integer incremented with each call.
+
+
+  ##  def envfrom(self,f,*str):
+  @Milter.noreply
+  def envfrom(self, mailfrom, *str):
+    self.mailfrom = mailfrom
+    self.domains = []
+    t = parse_addr(mailfrom)
+    if len(t) > 1:
+      self.domains.append(t[1])
+    else:
+      self.domains.append('local')
+    self.internal = False
+    return Milter.CONTINUE
+
+  ##  def envrcpt(self, to, *str):
+  def envrcpt(self, to, *str):
+    self.R.append(to)
+    t = parse_addr(to)
+    if len(t) > 1:
+      self.domains.append(t[1])
+    else:
+      self.domains.append('local')
+
+    if are_mixed(self.domains):
+      # FIXME: log recipients collected in self.mailfrom and self.R
+      self.setreply('550','5.7.1','Mixing internal and external TLDs')
+      return Milter.REJECT
+        
+    return Milter.CONTINUE
+    
+def main():
+  socketname = "/var/run/nomixsock"
+  timeout = 600
+  # Register to have the Milter factory create instances of your class:
+  Milter.factory = NoMixMilter
+  print "%s milter startup" % time.strftime('%Y%b%d %H:%M:%S')
+  sys.stdout.flush()
+  Milter.runmilter("nomixfilter",socketname,timeout)
+  logq.put(None)
+  bt.join()
+  print "%s nomix milter shutdown" % time.strftime('%Y%b%d %H:%M:%S')
+
+if __name__ == "__main__":
+  main()
@@ -0,0 +1,158 @@
+## To roll your own milter, create a class that extends Milter.  
+#  See the pymilter project at http://bmsi.com/python/milter.html
+#  based on Sendmail's milter API http://www.milter.org/milter_api/api.html
+#  This code is open-source on the same terms as Python.
+
+## Milter calls methods of your class at milter events.
+## Return REJECT,TEMPFAIL,ACCEPT to short circuit processing for a message.
+## You can also add/del recipients, replacebody, add/del headers, etc.
+
+import Milter
+import StringIO
+import time
+import email
+import sys
+from socket import AF_INET, AF_INET6
+from Milter.utils import parse_addr
+if True:
+  from multiprocessing import Process as Thread, Queue
+else:
+  from threading import Thread
+  from Queue import Queue
+
+logq = Queue(maxsize=4)
+
+class myMilter(Milter.Base):
+
+  def __init__(self):  # A new instance with each new connection.
+    self.id = Milter.uniqueID()  # Integer incremented with each call.
+
+  # each connection runs in its own thread and has its own myMilter
+  # instance.  Python code must be thread safe.  This is trivial if only stuff
+  # in myMilter instances is referenced.
+  @Milter.noreply
+  def connect(self, IPname, family, hostaddr):
+    # (self, 'ip068.subnet71.example.com', AF_INET, ('215.183.71.68', 4720) )
+    # (self, 'ip6.mxout.example.com', AF_INET6,
+    #	('3ffe:80e8:d8::1', 4720, 1, 0) )
+    self.IP = hostaddr[0]
+    self.port = hostaddr[1]
+    if family == AF_INET6:
+      self.flow = hostaddr[2]
+      self.scope = hostaddr[3]
+    else:
+      self.flow = None
+      self.scope = None
+    self.IPname = IPname  # Name from a reverse IP lookup
+    self.H = None
+    self.fp = None
+    self.receiver = self.getsymval('j')
+    self.log("connect from %s at %s" % (IPname, hostaddr) )
+    
+    return Milter.CONTINUE
+
+
+  ##  def hello(self,hostname):
+  def hello(self, heloname):
+    # (self, 'mailout17.dallas.texas.example.com')
+    self.H = heloname
+    self.log("HELO %s" % heloname)
+    if heloname.find('.') < 0:	# illegal helo name
+      # NOTE: example only - too many real braindead clients to reject on this
+      self.setreply('550','5.7.1','Sheesh people!  Use a proper helo name!')
+      return Milter.REJECT
+      
+    return Milter.CONTINUE
+
+  ##  def envfrom(self,f,*str):
+  def envfrom(self, mailfrom, *str):
+    self.F = mailfrom
+    self.R = []  # list of recipients
+    self.fromparms = Milter.dictfromlist(str)	# ESMTP parms
+    self.user = self.getsymval('{auth_authen}')	# authenticated user
+    self.log("mail from:", mailfrom, *str)
+    self.fp = StringIO.StringIO()
+    self.canon_from = '@'.join(parse_addr(mailfrom))
+    self.fp.write('From %s %s\n' % (self.canon_from,time.ctime()))
+    return Milter.CONTINUE
+
+
+  ##  def envrcpt(self, to, *str):
+  @Milter.noreply
+  def envrcpt(self, to, *str):
+    rcptinfo = to,Milter.dictfromlist(str)
+    self.R.append(rcptinfo)
+    
+    return Milter.CONTINUE
+
+
+  @Milter.noreply
+  def header(self, name, hval):
+    self.fp.write("%s: %s\n" % (name,hval))	# add header to buffer
+    return Milter.CONTINUE
+
+  @Milter.noreply
+  def eoh(self):
+    self.fp.write("\n")				# terminate headers
+    return Milter.CONTINUE
+
+  @Milter.noreply
+  def body(self, chunk):
+    self.fp.write(chunk)
+    return Milter.CONTINUE
+
+  def eom(self):
+    self.fp.seek(0)
+    msg = email.message_from_file(self.fp)
+    self.setreply('250','2.5.1','Grokked by pymilter')
+    # many milter functions can only be called from eom()
+    # example of adding a Bcc:
+    self.addrcpt('<%s>' % 'spy@example.com')
+    return Milter.ACCEPT
+
+  def close(self):
+    # always called, even when abort is called.  Clean up
+    # any external resources here.
+    return Milter.CONTINUE
+
+  def abort(self):
+    # client disconnected prematurely
+    return Milter.CONTINUE
+
+  ## === Support Functions ===
+
+  def log(self,*msg):
+    logq.put((msg,self.id,time.time()))
+
+def background():
+  while True:
+    t = logq.get()
+    if not t: break
+    msg,id,ts = t
+    print "%s [%d]" % (time.strftime('%Y%b%d %H:%M:%S',time.localtime(ts)),id),
+    # 2005Oct13 02:34:11 [1] msg1 msg2 msg3 ...
+    for i in msg: print i,
+    print
+
+## ===
+    
+def main():
+  bt = Thread(target=background)
+  bt.start()
+  socketname = "/home/stuart/pythonsock"
+  timeout = 600
+  # Register to have the Milter factory create instances of your class:
+  Milter.factory = myMilter
+  flags = Milter.CHGBODY + Milter.CHGHDRS + Milter.ADDHDRS
+  flags += Milter.ADDRCPT
+  flags += Milter.DELRCPT
+  Milter.set_flags(flags)       # tell Sendmail which features we use
+  print "%s milter startup" % time.strftime('%Y%b%d %H:%M:%S')
+  sys.stdout.flush()
+  Milter.runmilter("pythonfilter",socketname,timeout)
+  logq.put(None)
+  bt.join()
+  print "%s bms milter shutdown" % time.strftime('%Y%b%d %H:%M:%S')
+
+if __name__ == "__main__":
+  main()
@@ -1,186 +0,0 @@
-[milter]
-# the socket used to communicate with sendmail.  Must match sendmail.cf
-socket=/var/run/milter/pythonsock
-# where to save original copies of defanged and failed messages
-tempdir = /var/log/milter/save
-# how long to wait for a response from sendmail before giving up 
-;timeout=600
-log_headers = 0
-# connection ips and hostnames are matched against this glob style list
-# to recognize internal senders.
-;internal_connect = 192.168.*.*,127.*
-
-# mail that is not an internal_connect and claims to be from an
-# internal domain is rejected.  Furthermore, internal mail that
-# does not claim to be from an internal domain is rejected.
-# You should enable SPF instead if you can.  SPF is much more comprehensive and
-# flexible.  However, SPF is not currently checked for outgoing
-# (internal_connect) mail because it doesn't yet handle authorizing 
-# internal IPs locally.
-;internal_domains = mycorp.com,localhost.localdomain
-
-# connections from a trusted relay can trust the first Received header
-# SPF checks are bypassed for internal connections and trusted relays.
-;trusted_relay = 1.2.3.4, 66.12.34.56
-
-# Reject external senders with hello names no legit external sender would use.
-# SPF will do this also, but listing your own domain and mailserver here
-# will save some DNS lookups when rejecting certain viruses.
-;hello_blacklist = mycorp.com, 66.12.34.56
-
-# Reject mail for domains mentioned unless user is mentioned here also
-;check_user = joe@mycorp.com, mary@mycorp.com, file:bigcorp.com
-
-# features intended to filter or block incoming mail
-[defang]
-
-# do virus scanning on attached messages also
-scan_rfc822 = 1
-# do virus scanning on attached zipfiles also
-scan_zip = 0
-# Comment out scripts in HTML attachments.  Can be CPU intensive.
-scan_html = 0
-# reject messages with asian fonts because we can't read them
-block_chinese = 1
-# list users who hate forwarded mail
-;block_forward = egghead@mycorp.com, busybee@mycorp.com
-# reject mail with these case insensitive strings in the subject
-porn_words = penis, breast, pussy, horse cock, porn, xenical, diet pill, d1ck,
-	vi*gra, vi-a-gra, viag, tits, p0rn, hunza, horny, sexy, c0ck, xanaax,
-	p-e-n-i-s, hydrocodone, vicodin, xanax, vicod1n, x@nax, diazepam,
-	v1@gra, xan@x, cialis, ci@lis, frëe, xãnax, valíum, vãlium, via-gra,
-	x@n3x, vicod3n, penís, c0d1n, phentermine, en1arge, dip1oma, v1codin,
-	valium, rolex, sexual, fuck, adv1t
-# reject mail with these case sensitive strings in the subject
-spam_words = $$$, !!!, XXX, FREE, HGH
-# attachments with these extensions will be replaced with a warning
-# message.  A copy of the original will be saved. 
-banned_exts = ade,adp,asd,asx,asp,bas,bat,chm,cmd,com,cpl,crt,dll,exe,hlp,hta,
-	inf,ins,isp,js,jse,lnk,mdb,mde,msc,msi,msp,mst,ocx,pcd,pif,reg,scr,sct,
-	shs,url,vb,vbe,vbs,wsc,wsf,wsh 
-
-# See http://bmsi.com/python/pysrs.html for details
-[srs]
-config=/etc/mail/pysrs.cfg
-# SRS options can be set here also, but must match the sendmail plugin
-;secret="shhhh!"
-;maxage=21
-;hashlength=4
-;database=/var/log/milter/srsdata
-;fwdomain = mydomain.com
-# turn this on after a grace period to reject spoofed DSNs
-reject_spoofed = 0
-# Many braindead MTAs send DSNs with a non-DSN MFROM (e.g. to report that
-# some virus claiming to be sent by you).  This heuristic
-# refuses mail from user names commonly abused in that way.
-;banned_users = postmaster, mailer-daemon, clamav
-
-# See http://spf.pobox.com for more info on SPF.
-[spf]
-# namespace where SPF records can be supplied for domains without one
-# records are searched for under _spf.domain.com
-;delegate = domain.com
-# domains where a neutral SPF result should cause mail to be rejected
-;reject_neutral = aol.com
-# use a default (v=spf1 a/24 mx/24 ptr) when no SPF records are published
-;best_guess = 0
-# Reject senders that have neither PTR nor valid HELO nor SPF records, or send
-# DSN otherwise
-;reject_noptr = 0
-# always accept softfail from these domains, or send DSN otherwise
-;accept_softfail = bounces.amazon.com
-# Treat fail from these domains like softfail: because their SPF record
-# or an important sender is screwed up.  Must have valid HELO, however.
-;accept_fail = custhelp.com
-# Use sendmail access map or similar format for detailed spf policy.
-# SPF entries in the access map will override any defaults set above.
-;access_file = /etc/mail/access.db
-# Add MAIL FROM as Sender when Sender is missing and From domain
-# doesn't match MAIL FROM.  Outlook and other email clients will then display
-# something like: "Sent by sender@domain.com on behalf of from@example.com"
-;supply_sender = 0
-
-# features intended to clean up outgoing mail
-[scrub]
-# domains that block visible private nodes
-;hide_path = jcpenney.com	
-# reject, don't just replace with warning, viruses from these domains
-;reject_virus_from = mycorp.com
-
-# features intended for spying on users and coworkers
-[wiretap]
-blind = 1
-#
-# wiretap lets you surreptitiously monitor a users outgoing email
-# (sendmail aliases let you monitor incoming mail)
-#
-;users = disloyal@bigcorp.com, bigmouth@bigcorp.com
-# multiple destinations can use smart_alias
-;dest = spy@bigcorp.com
-# discard outgoing mail without alerting sender
-# can be used in conjunction with wiretap to censor outgoing mail
-;discard_users = canned@bigcorp.com
-#
-# smart aliases trigger on both sender and recipient
-#
-;smart_alias = copycust,walter,spy1,spy2
-# multiple wiretap monitors
-;spy1 = disloyal@bigcorp.com,spy@bigcorp.com
-;spy2 = bigmouth@bigcorp.com,spy@bigcorp.com
-# mail from client@clientcorp.com to sue@bigcorp.com is redirected to 
-# local alias copycust
-;copycust = client@clientcorp.com,sue@bigcorp.com
-# mail from cust@othercorp.com to walter@bigcorp.com is redirected to
-# boss@bigcorp.com
-;walter = cust@othercorp.com,walter@bigcorp.com,boss@bigcorp.com
-# additional copies can be added
-;walter1 = cust@othercorp.com,walter@bigcorp.com,boss@bigcorp.com,
-;	walter@bigcorp.com
-;bulk = soruce@telex.com,bob@jsconnor.com
-;bulk = soruce@telex.com,larry@jsconnor.com
-
-# See http://bmsi.com/python/dspam.html
-[dspam]
-# Select a well moderated dspam dictionary to reject spammy headers.
-# To filter on the entire message, use the full setup below.
-# only EXTERNAL messages are dspam filtered
-;dspam_dict=/var/lib/dspam/moderator.dict
-
-# Recipients of mail sent from these senders are added to the auto_whitelist.
-# Auto_whitelisted senders with an SPF PASS are never rejected by dspam, and
-# messages from auto_whitelisted senders will be used to train screener
-# dictionaries as innocent mail.
-;whitelist_senders = @mycorp.com
-
-# Opt-out recipients entirely from dspam screening and header triage
-;dspam_exempt=getitall@mycorp.com
-# Do not scan mail (ostensibly) from these senders
-;dspam_whitelist=getitall@sender.com
-# Reject spam to these domains instead of quarantining it.
-;dspam_reject=othercorp.com
-# Scan internal mail - often a good source of stats on legit mail.
-;dspam_internal=1
-
-# directory for dspam user quarantine, signature db, and dictionaries
-# defining this activates the dspam application
-# dspam and dspam-python must be installed
-;dspam_userdir=/var/lib/dspam
-# do not dspam messages larger than this
-;dspam_sizelimit=180000
-
-# Map email addresses and aliases to dspam users
-;dspam_users=david,goliath,spam,falsepositive
-;david=david@foocorp.com,david.yelnetz@foocorp.com,david@bar.foocorp.com
-;goliath=giant@foocorp.com,goliath.philistine@foocorp.com
-# address to forward spam to.  milter will process these and not deliver
-;spam=spam@foocorp.com
-# address to forward false positives to.  milter will process and not deliver
-;falsepositive=ham@foocorp.com
-# account which receives only spam: all received messages are marked as spam.
-;honeypot=spam-me@example.com
-# the dspam_screener is a list of dspam users who screen mail for all
-# recipients who are not dspam_users.  Spam goes to the screeners quarantine,
-# and the original recipients are saved so that false positives can be properly
-# delivered.
-;dspam_screener=david,goliath
-# The dspam CGI can also be used: logins must match dspam users
@@ -1,527 +0,0 @@
-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
-<html>
-<head>
-<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
-<title>Python Milters</title>
-</head><body>
-
-<P ALIGN="CENTER"><A HREF="http://www.anybrowser.org/campaign/">
-<IMG SRC="/art/brain1.gif"
-ALT="Viewable With Any Browser" BORDER="0"></A>
-
-<img src="/art/banner_4.gif" width="468" height="60" border="0"
-	usemap="#banner_4" alt="Your vote?">
-<map name="banner_4">
-  <area shape="rect" coords="330,25,426,59"
-  	href="http://education-survey.org/" alt="I Disagree">
-  <area shape="rect" coords="234,28,304,57" href="http://www.honestEd.com/" alt="I Agree">
-</map>
-
-</P>
-<h1 align=center>Sendmail Milters in Python</h1>
-<h4 align=center>by <a href="mailto:%75%72%6D%61%6E%65%40%6E%65%75%72%61l%61%63%63%65%73%73%2E%63%6F%6D">Jim Niemira</a>
-  and <a href="mailto:%73%74%75%61%72%74%40%62%6D%73%69%2E%63%6F%6D">
-  Stuart D. Gathman</a><br>
-This web page is written by Stuart D. Gathman<br>and<br>sponsored by
-<a href="http://www.bmsi.com">Business Management Systems, Inc.</a> <br>
-Last updated Oct 12, 2005</h4>
-
-See the <a href="faq.html">FAQ</a> | <a href="http://sourceforge.net/project/showfiles.php?group_id=139894">Download now</a> |
-<a href="/mailman/listinfo/pymilter">Subscribe to mailing list</a> |
-<a href="#overview">Overview</a> |
-<a href="/python/dspam.html">pydspam</a> |
-<a href="/libdspam/dspam.html">libdspam</a>
-<p>
-<a href="//www.python.org">
-<img src="python55.gif" align=left alt="A Python"></a>
-<a href="//www.sendmail.org/">Sendmail</a> introduced a
-<a href="http://www.milter.org/milter_api/api.html"> new API</a> beginning with version 8.10 -
-libmilter.  The milter module for <a href="//www.python.org">Python</a>
-provides a python interface to libmilter that exploits all its features.
-<p>
-Sendmail 8.12 officially releases libmilter.  
-Version 8.12 seems to be more robust, and includes new privilege
-separation features to enhance security.  Even better, sendmail 8.13
-supports socket maps, which makes <a href="pysrs.html">pysrs</a> much more
-efficient and secure.  I recommend upgrading.
-
-<h2> Recent Changes </h2>
-
-Python milter has been moved to 
-<a href="http://sourceforge.net/projects/pymilter/">pymilter Sourceforge
-project</a> for development and release downloads.
-<p>
-Release 0.8.3 uses the standard logging module, and supports configuring
-more detailed SPF policy via the sendmail access map.  SMTP AUTH connections
-are considered INTERNAL.  Preventing forgery between internal domains is
-just a matter of specifying the user-domain map - I'll define something
-for the next version.  We now send DSNs when mail is quarantined (rejecting
-if DSN fails) and for SPF syntax errors (PermError).  There is an
-experimental option to add a Sender header when it is missing and the From
-domain doesn't match the MAIL FROM domain.  Next release, we may start
-renaming and replacing an existing Sender header when neither it nor the
-From domain matches MAIL FROM.  Since bogus MAIL FROMs are rejected
-(to varying degrees depending on the configured SPF policy), and
-both Sender and From and displayed by default in many email clients,
-this provides some phishing protection without rejecting mail based
-on headers.
-<p>
-Release 0.8.2 has changes to <a href="http://openspf.net">SPF</a> to bring it
-in line with the newly official RFC.  It adds 
-<a href="http://ses.codeshare.ca/">SES</a>
-support (the original SES without body hash) for pysrs-0.30.10, and honeypot
-support for pydspam-1.1.9.  There is a new method in the base milter module.
-milter.set_exception_policy(i) lets you choose a policy of CONTINUE, REJECT, or
-TEMPFAIL (default) for untrapped exceptions encountered in a milter callback.
-<p>
-Release 0.8.0 is the first <a href="http://sourceforge.net/">Sourceforge</a>
-release.  It supports Python-2.4, and provides an option to accept mail
-that gets an SPF softfail or fails the 3 strikes rule, provided the
-alleged sender accepts a DSN explaining the problem.  Python-2.3 is
-no longer supported by the reworked mime.py module, although API changes
-could be backported.  There are too many incompatible changes to the
-python email package.
-<p>
-Release 0.7.2 tightens the authentication screws with a "3 strikes and
-you're out" policy.  A sender must have a valid PTR, HELO, or SPF record
-to send email.  Specific senders can be whitelisted using the
-"delegate" option in the spf configuration section by adding a
-default SPF record for them.  The PTR and HELO are required
-by RFC anyway, so this is not an unreasonable requirement.
-There is now a coherent policy for an SPF softfail result.  A softfail
-is accepted if there is a valid PTR or HELO, or if the domain
-is listed in the "accept_softfail" option of the spf configuration section.
-A neutral result is accepted by default if there is a valid PTR or
-HELO, (and the SPF record was not guessed), unless the domain is listed in the
-"reject_neutral" option.  Common forms of PTR records for dynamic IPs are
-recognized, and do not count as a valid PTR.  This does not prevent anyone
-from sending mail from a dynamic IP - they just need to configure a
-valid HELO name or publish an SPF record.
-<p>
-As SPF adoption continues to rise, forged spam is not getting through.  So
-spammers are publishing their SPF records as predicted.  The 0.7.2 RPM
-now provides the <code>rhsbl</code> sendmail hack so that spammer domains
-can be blacklisted.  With the RPM installed, add a line like the following
-to your <code>sendmail.mc</code>.
-<pre>
-HACK(rhsbl,`blackholes.example.com',"550 Rejected: " $&{RHS} " has been spamming our customers.")dnl
-</pre>
-<p>
-Of course, spammers are now starting to register
-throwaway domains.  The next thing we need is a custom DNS server,
-in Python, that
-can recognize patterns.  For instance, one spammer registers ded304.com,
-ded305.com, ded306.com, etc.  We also need the custom DNS server to
-let SPF classic clients check SES (which will be part of pysrs).  
-The <a href="http://twistedmatrix.com/products/twisted">Twisted Python</a>
-framework provides a custom DNS server - but I
-would like a smaller implementation for our use.
-<p>
-The RPM for release 0.7.0 moves the config file and socket locations to
-/etc/mail and /var/run/milter respectively.  We now parse Microsoft CID records
- but only hotmail.com uses them.  They seem to have applied for a patent on
-the brilliant idea of examining the mail headers to see who the message is
-from.  We aren't doing that here, so not to worry - but I am not a lawyer, so
-if you are worried, change spf.py around line 626 to return None instead of
-calling CIDParser().  There is a new option to reject mail with no PTR
-and no SPF.
-<p>
-Microsoft is pushing an anti-opensource license for their pending patent
-along with their sender-ID proposal before the IETF.
-It is royalty free - but requires anyone distributing a binary they've
-compiled from source to sign a license agreement.  The Apache Software
-Foundation <a
-href="http://www.apache.org/foundation/docs/sender-id-position.html"> explains
-the problem with sender-ID</a>, and Debian <a
-href="http://www.debian.org/News/2004/20040904">concurs</a>.  Since 
-the <a href="http://download.microsoft.com/download/4/3/9/439b024b-09fd-44ee-8ff0-10e834004c36/senderid_FAQ.PDF">Microsoft license</a> is
-<a href="http://www.circleid.com/article/732_0_1_0_C/">incompatible with free
-software in general</a> and the <a
-href="http://www.imc.org/ietf-mxcomp/mail-archive/msg03678.html">GPL in
-particular</a>, Python milter will not be able to implement sender-ID in its
-current form.  This was, no doubt, Microsoft's intent all along.
-<p>
-Sender-ID attempts to do for RFC2822 headers what SPF does for RFC2821 headers.
-Unlike SPF, it has never been tried, and is encumbered by a stupid patent.  I
-recommend ignoring it and continuing to implement and improve SPF until a
-working and unencumbered proposal for RFC2822 headers surfaces.
-
-<p>
-<a href="http://openspf.com">
-<img src="SPF.gif" align=left alt="SPF logo"></a>
-Release 0.6.6 adds support for <a href="http://openspf.com/">SPF</a>,
-a protocol to prevent forging of the envelope from address.  
-SPF support requires <a href="http://pydns.sourceforge.net/">pydns</a>.
-The included spf.py module is an updated version of the original 1.6
-version at <a href="http://www.wayforward.net/spf/">wayforward.net</a>.
-The updated version tracks the draft RFC and test suite.
-<p>
-The FAQ addresses <a href="faq.html#spf">how to get started with SPF</a>.
-<p>
-Release 0.6.1 adds a full milter based dspam application.
-<p>
-I have selected the <a href="http://www.nuclearelephant.com/projects/dspam/">
-dspam bayes filter project</a> and <a href="dspam.html">
-packaged it for python</a>.
-Release 0.6.0 offers a simple application of dspam I call "header triage",
-which rejects messages with spammy headers.  
-To use header triage, you must have <a href="dspam.html">DSPAM</a> installed,
-and select a dictionary that is well moderated by someone who gets
-lots of spam.  That dictionary can be used to block spam that is 
-obvious from the headers (e.g. X-Mailer and Subject) before it ties
-up any more resources.  I have yet to see any false positives from this
-approach (check the milter log), but if there are, the sender will
-get a REJECT with the message "Your message looks spammy."
-
-<h2> Enough Already! </h2>
-
-Nearly a dozen people have emailed me begging for a feature to copy
-outgoing and/or incoming mail to a backup directory by user.  Ok, it
-looks like this is a most requested feature for 0.5.6.  In the meantime,
-here are some things to consider:
-<ul>
-<li> If you want to equivalent of a Bcc added to each message, this
-is very easy to do in the python code for bms.py.   See below.
-<li> If you want to copy to a file in a directory (thus avoiding having to
-set up aliases), this is slightly more involved.  The bms.py milter already
-copies the message to a temporary file for use in replacing the message body
-when banned attachments are found.  You have to open a file, and copy the
-Mesage object to it in eom().
-<li> Finally, you are probably aware that most email clients already
-keep a copy of outgoing mail?  Presumably there is a good reason for
-keeping another copy on the server.
-</ul>
-<p>
-To Bcc a message, call <code>self.add_recipient(rcpt)</code> in envfrom after
-determining whether you want to copy (e.g. whether the sender is local).  For
-example,
-<pre>
-  def envfrom(...
-    ...
-    if len(t) == 2:
-      self.rejectvirus = t[1] in reject_virus_from
-      if t[0] in wiretap_users.get(t[1],()):
-	self.add_recipient(wiretap_dest)
-      if t[1] == 'mydomain.com':
-        self.add_recipient('&lt;copy-%s&gt;' % t[0])
-      ...
-</pre>
-<p>
-To make this a generic feature requires thinking about how the configuration
-would look.  Feel free to make specific suggestions about config file
-entries.  Be sure to handle both Bcc and file copies, and designating what
-mail should be copied.  How should "outgoing" be defined?  Implementing it is
-easy once the configuration is designed.
-
-<h3><a name=overview>Overview</a></h3>
-
-This package provides a robust toolkit for Python <a
-href="#milter">milters</a>, and the beginnings of a general purpose mail
-filtering system written in Python.
-<p>
-At the lowest level, the 'milter' module provides a thin wrapper around the
-<a href="http://www.milter.org/milter_api/api.html">
-sendmail libmilter API</a>.  This API lets you register callbacks for 
-a number of events in the
-<a href="http://www.cs.concordia.ca/~group/fig/public/email/relay/milter+ruleset-checks.html">process of sendmail receiving a message via SMTP</a>.  
-These events include the initial connection from a MTA,
-the envelope sender and recipients, the top level mail headers, and
-the message body.  There are options to mangle all of these components
-of the message as it passes through the milter.
-<p>
-At the next level, the 'Milter' module (note the case difference) provides a
-Python friendly object oriented wrapper for the low level API.  To use the
-Milter module, an application registers a 'factory' to create an object
-for each connection from a MTA to sendmail.  These connection objects
-must provide methods corresponding to the libmilter callback events.
-<p>
-Each event method returns a code to tell sendmail whether to proceed
-with processing the message.  This is a big advantage of milters over
-other mail filtering systems.  Unwanted mail can be stopped in its
-tracks at the earliest possible point.
-<p>
-The Milter.Milter class provides default implementations for event
-methods that
-do nothing, and also provides wrappers for the libmilter methods to mutate
-the message.
-<p>
-The 'spf' module provides an implementation of <a href="http://openspf.com">
-SPF</a> useful for detecting email forgery.
-<p>
-The 'mime' module provides a wrapper for the Python email package that
-fixes some bugs, and simplifies modifying selected parts of a MIME message.
-<p>
-Finally, the bms.py application is both a sample of how to use the
-Milter and spf modules, and the beginnings of a general purpose SPAM filtering,
-wiretapping, SPF checking, and Win32 virus protecting milter.  It can
-make use of the <a href="pysrs.html">pysrs</a> package when available for
-SRS/SES checking and the <a href="dspam.html">pydspam</a> package for Bayesian
-content filtering.  SPF checking
-requires <a href="http://pydns.sourceforge.net/">
-pydns</a>.  Configuration documentation is currently included as comments
-in the <a href="milter.cfg">sample config file</a> for the bms.py milter.
-See also the <a href="HOWTO">HOWTO</a> and <a href="logmsgs.html">
-Milter Log Message Tags</a>.
-<p>
-Python milter is under GPL.  The authors can probably be convinced to
-change this to LGPL if needed.
-
-<h3>What is a <a name="milter">milter</a>?</h3>
-
-Milters can run on the same machine as sendmail, or another machine.  The
-milter can even run with a different operating system or processor than
-sendmail.
-Sendmail talks to the milter via a local or internet socket.
-Sendmail keeps the
-milter informed of events as it processes a mail connection.  At any 
-point, the milter can cut the conversation short by telling sendmail
-to ACCEPT, REJECT, or DISCARD the message.  After receiving a complete
-message from sendmail, the milter can again REJECT or DISCARD it, but it
-can also ACCEPT it with changes to the headers or body.
-
-<h3> What can you do with a milter? </h3>
-
-<menu>
-<li> A milter can DISCARD or REJECT spam based based on algorithms scripted
-in python rather than sendmail's cryptic "cf" language.
-<li> A milter can alter or remove attachments from mail that are poisonous to
-Windows.
-<li> A milter can scan for viruses and clean them when detected.
-<li> A milter scans outgoing as well as incoming mail.
-<li> A milter can add and delete recipients to forward or secretly
-copy mail.
-<li> For more ideas, check the <a href="//www.milter.org">Milter Web Page</a>.
-</menu>
-
-<a href="http://www.milter.org/milter_api/api.html">
-Documentation</a> for the C API is provided with sendmail.  Miltermodule
-provides a thin python wrapper for the C API.  Milter.py provides a simple
-OO wrapper on top of that.
-<p>
-The Python milter package includes a sample milter that replaces dangerous 
-attachments with a warning message, discards mail addressed to
-MAILER-DAEMON, and demonstrates several SPAM abatement strategies.  
-The MimeMessage class to do this used to be based on the
-<code>mimetools</code> and <code>multifile</code> standard python packages.  
-As of milter version 0.6.0, it is based on the email standard
-python packages, which were derived from the 
-<a href="http://sourceforge.net/projects/mimelib">mimelib</a> project.
-The MimeMessage class patches several bugs in the email package,
-and provides some backward compatibility.
-
-<p>
-The "defang" function of the sample milter was inspired by
-<a href="http://www.roaringpenguin.com/mimedefang/">MIMEDefang</a>,
-a Perl milter with flexible attachment processing options.  The latest
-version of MIMEDefang uses an apache style process pool to avoid reloading
-the Perl interpreter for each message.  This makes it fast enough for
-production without using Perl threading.
-<p>
-<a href="http://sourceforge.net/projects/mailchecker">mailchecker</a> is
-a Python project to provide flexible attachment processing for mail.  I
-will be looking at plugging mailchecker into a milter.
-<p>
-<a href="http://software.libertine.org/tmda/">TMDA</a> is a Python project
-to require confirmation the first time someone tries to send to your
-mailbox.  This would be a nice feature to have in a milter.
-<p>
-There is also a <a href="http://www.milter.org/">Milter community website</a>
-where milter software and gory details of the API are discussed.
-
-<h3> Is a milter written in python efficient? </h3>
-
-The python milter process is multi-threaded and startup cost is incurred
-only once.  This is much more efficient than some implementations that
-start a new interpreter for each connection.  Testing in a production
-environment did not use a significant percentage of the CPU.  Furthermore,
-python is easily extended in C for any step requiring expensive CPU
-processing.
-<p>
-For example, the HTML parsing feature to remove scripts from HTML attachments
-is rather CPU intensive in pure python.  Using the C replacement for sgmllib
-greatly speeds things up.
-
-<h3> Goals </h3>
-
-<menu>
-<li> Implement RRS - a backdoor for non-SRS forwarders.  User lists non-SRS 
-     forwarder accounts (perhaps in <code>~/.forwarders</code>), and a util
-     provides a special local alias for the user to give to the forwarder.
-     Alias only works for mail from that forwarder.  Milter gets forwarder
-     domain from alias and uses it to SPF check forwarder.  Requires
-     milter to have read access to <code>~/.forwarders</code> or else
-     a way for user to submit entries to milter database.
-<li> The bms.py milter has too many features.  Create a framework where
-     numerous small feature modules can be plugged together in the
-     configuration.
-<li> Create a pure python substitute for miltermodule and libmilter that
-     implements the <a
-href="http://www.duh.org/cvsweb.cgi/~checkout~/pmilter/doc/milter-protocol.txt?rev=1">
-     libmilter protocol</a> in python. 
-<li> Find or write a faster implementation of sgmllib.  The 
-     <a href="http://www.effbot.org/zone/sgmlop-index.htm">sgmlop package</a>
-     is not very compatible with 
-     <a href="http://www.python.org/doc/2.1.3/lib/module-sgmllib.html">
-     Python-2.1 sgmllib</a>, but it is a start, and is supported in
-     milter-0.4.5 or later.
-<li> Implement all or most of the features of 
-     <a href="http://www.roaringpenguin.com/mimedefang/">MIMEDefang</a>.
-<li> Follow the official <a href="http://www.python.org/peps/pep-0008.html">
-     Python coding standards</a> more closely.
-<li> Make unit test code more like other python modules.
-</menu>
-
-<h3> Confirmed Installations </h3>
-
-Please <a href="mailto:%73%74%75%61%72%74%40%62%6D%73%69%2E%63%6F%6D">email</a>
-me if you successfully install milter on a system not mentioned below.
-<p>
-<table>
-<tr>
-<th>Operating System</th> <th>Compiler</th> <th>Python</th> <th>Sendmail</th>
-<th>milter</th>
-<tr>
-<td>Mandrake 8.0</td><td>gcc-3.0.1</td><td>2.1.1</td><td>8.12.0</td>
-<td>0.3.3</td><tr>
-<td>Mandrake 8.0</td><td>gcc-2.96</td><td>2.0</td><td>8.11.2</td>
-<td>0.3.6</td><tr>
-<td>RedHat 6.2</td><td>egcs-1.1.2</td><td>2.2.2</td><td>8.11.6</td>
-<td>0.5.4</td><tr>
-<td>RedHat 7.1</td><td>gcc-2.96</td><td>?</td><td>8.12.1</td>
-<td>0.3.5</td><tr>
-<td>RedHat 7.3</td><td>gcc-2.96</td><td>2.2.2</td><td>8.11.6</td>
-<td>0.5.5</td><tr>
-<td>RedHat 7.3</td><td>gcc-2.96</td><td>2.3.3</td><td>8.13.1</td>
-<td>0.7.2</td><tr>
-<td>RedHat 8.0</td><td>gcc-3.2</td><td>2.2.1</td><td>8.12.6</td>
-<td>0.5.2</td><tr>
-<td>Debian Linux</td><td>gcc-2.95.2</td><td>2.1.1</td><td>8.12.0</td>
-<td>0.3.7</td><tr>
-<td>Debian Linux</td><td>gcc-3.2.2</td><td>2.2.2</td><td>8.12.7</td>
-<td>0.5.4</td><tr>
-<td>AIX-4.1.5</td><td>gcc-2.95.2</td><td>2.1.1</td><td>8.11.5</td>
-<td>0.3.3</td><tr>
-<td>AIX-4.1.5</td><td>gcc-2.95.2</td><td>2.1.1</td><td>8.12.1</td>
-<td>0.3.4</td><tr>
-<td>AIX-4.1.5</td><td>gcc-2.95.2</td><td>2.1.3</td><td>8.12.3</td>
-<td>0.4.2</td><tr>
-<td>AIX-4.1.5</td><td>gcc-2.95.2</td><td>2.2.3</td><td>8.13.1</td>
-<td>0.7.1</td><tr>
-<td>Slackware 7.1</td><td>?</td><td>?</td><td>8.12.1</td>
-<td>0.3.8</td><tr>
-<td>Slackware 9.0</td><td>gcc-3.2.2</td><td>2.2.3</td><td>8.12.9</td>
-<td>0.5.4</td><tr>
-<td>OpenBSD</td><td>?</td><td>2.3.3?</td><td>8.13.1?</td>
-<td>0.7.2</td><tr>
-<td>SuSE 7.3</td><td>gcc-2.95.3</td><td>2.1.1</td><td>8.12.2</td>
-<td>0.3.9</td><tr>
-<td>FreeBSD</td><td>gcc-2.95.3</td><td>2.2.1</td><td>8.12.3</td>
-<td>0.4.0</td><tr>
-<td>FreeBSD</td><td>gcc-2.95.3</td><td>2.2.2</td><td>?</td>
-<td>0.5.5</td><tr>
-<td>FreeBSD 4.4</td><td>gcc-2.95.3</td><td>?</td><td>8.12.10</td>
-<td>0.6.6</td><tr>
-
-</table>
-
-<h3> Requirements </h3>
-
-<menu>
-<li> While the miltermodule will work with python 1.5, you probably
-want to use python 2.0 or better.  The python code uses a number of
-python 2 features.
-<li> Python must be configured with thread support.  This is because
-sendmail's libmilter requires thread support.
-<li> You must compile sendmail with libmilter enabled.  In versions of
-sendmail prior to 8.12 libmilter is marked FFR (For Future Release) and
-is not installed by default.  
-Sendmail 8.12 still does not enable libmilter by default.  You must 
-explicitly select the "MILTER" option when compiling.  
-<li> Python milter has been tested against sendmail-8.11 and sendmail-8.12.
-<li> Python milter must be compiled for the specific version of sendmail
-it will run with.  (Since the result is dynamically loaded, there could 
-conceivably be multiple versions available and selected at startup - but
-that will have to wait.)  This situation may only exist for sendmail
-versions prior to 8.12.  The protocol seems designed for backward 
-compatibility - and 8.12 is the first official milter release.
-<li> Mea Culpa!  After reading the Python Style guide, I realize that
-my Python code is not up to snuff.  Apparently mixed tabs and spaces
-are anathema to those using Windows editors, where tabs can be expanded using
-any arbitrary algorithm.  Other than that, my
-intuition matched Guido's pretty well - although I like to indent by 2
-rather than 4.  I will arrange to have tabs expanded to spaces when
-exporting new versions.  Until then, beware!
-</menu>
-
-<h3> <a name="aix4"> AIX 4.1.5 Requirements </a> </h3>
-To create sendmail RPMs for AIX, you can download my AIX 4.1.5 spec files 
-for <a href="/aix/sendmail.spec">sendmail-8.11.5</a> 
-or <a href="/aix/sendmail12.spec">sendmail-8.12.3</a>.  If you have
-not already set it up, I use a <a href="/aix/aix.spec">dummy RPM package</a>
-to represent the stuff that comes with AIX.  You might also want
-my <a href="/aix/python.spec">python-2.1.1</a> spec file for AIX.  It
-does not include Tk or curses modules, sorry.  If y'all trust me, you can
-download rpms for AIX 4.x from my <a href="/aix">AIX RPM directory</a>.
-<p>
-Sendmail-8.12 renames 
-libsmutil.a to libsm.a.  Unfortunately, libsm.a is an important AIX system
-shared library.  Therefore, I rename libsm.a back to libsmutil.a for
-AIX.  This presents a problem for setup.py.
-
-<h3> <a name="rh72"> RedHat 7.2 Requirements </a> </h3>
-
-If you are running Redhat 7.2, the distributed version of sendmail
-now enables libmilter by default.  RedHat 7.2 bundles
-the development libraries with the main sendmail package, so
-there is no sendmail-devel package.  However, they forgot to include the
-headers!  So you'll have to get the SRPM and modify it.  I suggest
-moving the static libs to a devel package and adding the headers.  If
-this is too much trouble, you can get the <a href="mfapi.h">mfapi.h</a>
-header for sendmail-8.6.11 from here and manually install it as
-<code>/usr/include/libmilter/mfapi.h</code>.
-<p>
-If you do modify the SRPM, I suggest renaming libsmutil.a
-to libsm.a - just like sendmail-8.12 will.  If you manually install
-mfapi.h or don't rename libsmutil.a, you'll
-need to force <code>libs = ["milter", "smutil"]</code> in setup.py.
-<p>
-If you have installed python2, and want
-python-milter to use python2, add <code>python=python2</code> to setup.cfg
-and build with <code>python2 setup.py bdist_rpm</code>.   
-
-<h3> <a name="rh62"> Redhat 6.2 Requirements </a> </h3>
-
-If you are running Redhat 6.2, the distributed version of sendmail
-does not enable libmilter.  You can download the Redhat 7.2 sendmail.spec
-modified to compile on RedHat 6.2:
-<a href="http://www.bmsi.com/linux/rh62/sendmail-rhmilter.spec">
-sendmail-rhmilter.spec</a>.  The <a
-href="ftp://updates.redhat.com/7.0/en/os/SRPMS/sendmail-8.11.6-1.7.0.src.rpm">
-SRPM for sendmail-8.11.6</a> is available from
-<a href="http://www.redhat.com">Redhat</a> under 
-<a href="http://www.redhat.com/support/errata/RHSA-2001-106.html">
-Errata for RH6.2</a>.  But that doesn't include the latest security
-patches since RH6.2 is no longer supported.
-<p>
-If y'all trust me, you can pick up source and binary sendmail RPMs for RH6.2
-from my <a href="http://www.bmsi.com/linux/rh62">linux downloads</a> directory.
-The lastest RPMs were built by taking a RH7.2 SRPMS and removing some
-RPM features from the spec file that RH6.2 doesn't support, then
-recompiling on RH6.2.  You can check this by installing the RH7.2 SRPM,
-then diffing my sendmail.spec with theirs.  Then run
-"rpm -bb sendmail-rhmilter.spec" when you are satisfied.
-<p>
-If you have installed python2, and want
-python-milter to use python2, add <code>python=python2</code> to setup.cfg
-and build with <code>python2 setup.py bdist_rpm</code>.
-You'll need to install the sendmail-devel package to compile milter.
-
-<hr>
-<p>
-<a href="http://validator.w3.org/check/referer">
-<img border=0 src="/vh32.png" alt=" [ Valid HTML 3.2! ] " height=31 width=88></a>
-<a href="http://www.redhat.com">
-<img src="/art/powered_by.gif" width="88" height="31" alt=" [ Powered By Red Hat Linux ] " border="0"></a>
-</p>
-
-</body></html>
@@ -1,81 +0,0 @@
-#!/bin/bash
-#
-# milter	This shell script takes care of starting and stopping milter.
-#
-# chkconfig: 2345 80 30
-# description: Milter is a process that filters messages sent through sendmail.
-# processname: milter
-# config: /var/log/milter/bms.py
-# pidfile: /var/run/milter/milter.pid
-
-python="python2.3"
-
-pidof() {
-	set - ""
-	if set - `ps -e -o pid,cmd | grep "${python} bms.py"` &&
-	  [ "$2" != "grep" ]; then
-	  echo $1
-	  return 0
-	fi
-	return 1
-}
-
-# Source function library.
-. /etc/rc.d/init.d/functions
-
-[ -x /var/log/milter/start.sh ] || exit 0
-
-RETVAL=0
-prog="milter"
-
-start() {
-	# Start daemons.
-
-	echo -n "Starting $prog: "
-	daemon --check milter --user mail /var/log/milter/start.sh
-	RETVAL=$?
-	echo
-	[ $RETVAL -eq 0 ] && touch /var/lock/subsys/milter
-	return $RETVAL
-}
-
-stop() {
-	# Stop daemons.
-	echo -n "Shutting down $prog: "
-	killproc milter
-	RETVAL=$?
-	echo
-	[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/milter
-	return $RETVAL
-}
-
-# See how we were called.
-case "$1" in
-  start)
-	start
-	;;
-  stop)
-	stop
-	;;
-  restart|reload)
-	stop
-	start
-	RETVAL=$?
-	;;
-  condrestart)
-	if [ -f /var/lock/subsys/milter ]; then
-	    stop
-	    start
-	    RETVAL=$?
-	fi
-	;;
-  status)
-	status milter
-	RETVAL=$?
-	;;
-  *)
-	echo "Usage: $0 {start|stop|restart|condrestart|status}"
-	exit 1
-esac
-
-exit $RETVAL
@@ -1,81 +0,0 @@
-#!/bin/bash
-#
-# milter	This shell script takes care of starting and stopping milter.
-#
-# chkconfig: 2345 80 30
-# description: Milter is a process that filters messages sent through sendmail.
-# processname: milter
-# config: /var/log/milter/bms.py
-# pidfile: /var/run/milter/milter.pid
-
-python="python2.3"
-
-pidof() {
-	set - ""
-	if set - `ps -e -o pid,wchan,cmd | grep "rt_sig ${python} bms.py"` &&
-	  [ "$3" != "grep" ]; then
-	  echo $1
-	  return 0
-	fi
-	return 1
-}
-
-# Source function library.
-. /etc/rc.d/init.d/functions
-
-[ -x /var/log/milter/start.sh ] || exit 0
-
-RETVAL=0
-prog="milter"
-
-start() {
-	# Start daemons.
-
-	echo -n "Starting $prog: "
-	daemon --check milter --user mail /var/log/milter/start.sh
-	RETVAL=$?
-	echo
-	[ $RETVAL -eq 0 ] && touch /var/lock/subsys/milter
-	return $RETVAL
-}
-
-stop() {
-	# Stop daemons.
-	echo -n "Shutting down $prog: "
-	killproc milter
-	RETVAL=$?
-	echo
-	[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/milter
-	return $RETVAL
-}
-
-# See how we were called.
-case "$1" in
-  start)
-	start
-	;;
-  stop)
-	stop
-	;;
-  restart|reload)
-	stop
-	start
-	RETVAL=$?
-	;;
-  condrestart)
-	if [ -f /var/lock/subsys/milter ]; then
-	    stop
-	    start
-	    RETVAL=$?
-	fi
-	;;
-  status)
-	status milter
-	RETVAL=$?
-	;;
-  *)
-	echo "Usage: $0 {start|stop|restart|condrestart|status}"
-	exit 1
-esac
-
-exit $RETVAL
@@ -1,289 +0,0 @@
-%define name milter
-%define version 0.8.4
-%define release 1.RH7
-# what version of RH are we building for?
-%define redhat9 0
-%define redhat7 1
-%define redhat6 0
-
-# Options for Redhat version 6.x:
-# rpm -ba|--rebuild --define "rh6 1"
-%{?rh6:%define redhat7 0}
-%{?rh6:%define redhat6 1}
-
-# some systems dont have initrddir defined
-%{?_initrddir:%define _initrddir /etc/rc.d/init.d}
-
-%if %{redhat9}
-%define sysvinit milter.rc
-%else	# Redhat 7.x and earlier (multiple ps lines per thread)
-%define sysvinit milter.rc7
-%endif
-# RH9, other systems (single ps line per process)
-%ifos Linux
-%define python python2.4
-%else
-%define python python
-%endif
-
-Summary: Python interface to sendmail milter API
-Name: %{name}
-Version: %{version}
-Release: %{release}
-Source: %{name}-%{version}.tar.gz
-#Patch: %{name}-%{version}.patch
-Copyright: GPL
-Group: Development/Libraries
-BuildRoot: %{_tmppath}/%{name}-buildroot
-Prefix: %{_prefix}
-Vendor: Stuart D. Gathman <stuart@bmsi.com>
-Packager: Stuart D. Gathman <stuart@bmsi.com>
-Url: http://www.bmsi.com/python/milter.html
-Requires: %{python} >= 2.4, sendmail >= 8.12.10
-%ifos Linux
-Requires: chkconfig
-%endif
-BuildRequires: %{python}-devel , sendmail-devel >= 8.12.10
-
-%description
-This is a python extension module to enable python scripts to
-attach to sendmail's libmilter functionality.  Additional python
-modules provide for navigating and modifying MIME parts.
-
-%prep
-%setup
-#%patch -p1
-
-%build
-env CFLAGS="$RPM_OPT_FLAGS" %{python} setup.py build
-
-%install
-rm -rf $RPM_BUILD_ROOT
-%{python} setup.py install --root=$RPM_BUILD_ROOT --record=INSTALLED_FILES
-mkdir -p $RPM_BUILD_ROOT/var/log/milter
-mkdir -p $RPM_BUILD_ROOT/etc/mail
-mkdir $RPM_BUILD_ROOT/var/log/milter/save
-cp bms.py *.txt $RPM_BUILD_ROOT/var/log/milter
-cp milter.cfg $RPM_BUILD_ROOT/etc/mail/pymilter.cfg
-
-# logfile rotation
-mkdir -p $RPM_BUILD_ROOT/etc/logrotate.d
-cat >$RPM_BUILD_ROOT/etc/logrotate.d/milter <<'EOF'
-/var/log/milter/milter.log {
-  copytruncate
-  compress
-}
-EOF
-
-# purge saved defanged message copies
-mkdir -p $RPM_BUILD_ROOT/etc/cron.daily
-%ifos aix4.1
-R=
-%else
-R='-r'
-%endif
-cat >$RPM_BUILD_ROOT/etc/cron.daily/milter <<'EOF'
-#!/bin/sh
-
-find /var/log/milter/save -mtime +7 | xargs $R rm
-EOF
-chmod a+x $RPM_BUILD_ROOT/etc/cron.daily/milter
-
-%ifos aix4.1
-cat >$RPM_BUILD_ROOT/var/log/milter/start.sh <<'EOF'
-#!/bin/sh
-cd /var/log/milter
-# uncomment to enable sgmlop if installed
-#export PYTHONPATH=/usr/local/lib/python2.1/site-packages
-exec /usr/local/bin/python bms.py >>milter.log 2>&1
-EOF
-%else
-cat >$RPM_BUILD_ROOT/var/log/milter/start.sh <<'EOF'
-#!/bin/sh
-cd /var/log/milter
-exec >>milter.log 2>&1
-%{python} bms.py &
-echo $! >/var/run/milter/milter.pid
-EOF
-mkdir -p $RPM_BUILD_ROOT/etc/rc.d/init.d
-cp %{sysvinit} $RPM_BUILD_ROOT/etc/rc.d/init.d/milter
-ed $RPM_BUILD_ROOT/etc/rc.d/init.d/milter <<'EOF'
-/^python=/
-c
-python="%{python}"
-.
-w
-q
-EOF
-%endif
-chmod a+x $RPM_BUILD_ROOT/var/log/milter/start.sh
-
-mkdir -p $RPM_BUILD_ROOT/var/run/milter
-mkdir -p $RPM_BUILD_ROOT/usr/share/sendmail-cf/hack
-cp -p rhsbl.m4 $RPM_BUILD_ROOT/usr/share/sendmail-cf/hack
-
-%ifos aix4.1
-%post
-mkssys -s milter -p /var/log/milter/start.sh -u 25 -S -n 15 -f 9 -G mail || :
-
-%preun
-if [ $1 = 0 ]; then
-  rmssys -s milter || :
-fi
-%else
-%post
-#echo "pythonsock has moved to /var/run/milter, update /etc/mail/sendmail.cf"
-/sbin/chkconfig --add milter
-
-%preun
-if [ $1 = 0 ]; then
-  /sbin/chkconfig --del milter
-fi
-%endif
-
-%clean
-rm -rf $RPM_BUILD_ROOT
-
-%files -f INSTALLED_FILES
-%defattr(-,root,root)
-%doc README HOWTO NEWS TODO CREDITS sample.py
-/etc/logrotate.d/milter
-/etc/cron.daily/milter
-%ifos aix4.1
-%defattr(-,smmsp,mail)
-%else
-/etc/rc.d/init.d/milter
-%defattr(-,mail,mail)
-%endif
-%dir /var/log/milter
-%dir /var/run/milter
-%dir /var/log/milter/save
-%config /var/log/milter/start.sh
-%config /var/log/milter/bms.py
-%config(noreplace) /var/log/milter/strike3.txt
-%config(noreplace) /var/log/milter/softfail.txt
-%config(noreplace) /var/log/milter/neutral.txt
-%config(noreplace) /var/log/milter/quarantine.txt
-%config(noreplace) /var/log/milter/permerror.txt
-%config(noreplace) /etc/mail/pymilter.cfg
-/usr/share/sendmail-cf/hack/rhsbl.m4
-
-%changelog
-* Thu Oct 20 2005 Stuart Gathman <stuart@bmsi.com> 0.8.4-1
- Fix SPF policy via sendmail access map (case insensitive keys).
- Auto whitelist senders, train screener on whitelisted messages
- Optional idx parameter to addheader to invoke smfi_insheader
- Activate progress when SMFIR_PROGRESS defined
-* Wed Oct 12 2005 Stuart Gathman <stuart@bmsi.com> 0.8.3-1
- Keep screened honeypot mail, but optionally discard honeypot only mail.
- spf_accept_fail option for braindead SPF senders (treats fail like softfail)
- Consider SMTP AUTH connections internal.
- Send DSN for SPF errors corrected by extended processing.
- Send DSN before SCREENED mail is quarantined
- Option to set SPF policy via sendmail access map.
- Option to supply Sender header from MAIL FROM when missing.
- Use logging package to keep log lines atomic.
-* Fri Jul 15 2005 Stuart Gathman <stuart@bmsi.com> 0.8.2-4
- Limit each CNAME chain independently like PTR and MX
-* Fri Jul 15 2005 Stuart Gathman <stuart@bmsi.com> 0.8.2-3
- Limit CNAME lookups (regression)
-* Fri Jul 15 2005 Stuart Gathman <stuart@bmsi.com> 0.8.2-2
- Handle corrupt ZIP attachments
-* Fri Jul 15 2005 Stuart Gathman <stuart@bmsi.com> 0.8.2-1
- Strict processing limits per SPF RFC
- Fixed several parsing bugs under RFC 
- Support official IANA SPF record (type99)
- Honeypot support (requires pydspam-1.1.9)
- Extended SPF processing results beyond strict RFC limits
- Support original SES for local bounce protection (requires pysrs-0.30.10)
- Callback exception processing option in milter module
-* Thu Jun 16 2005 Stuart Gathman <stuart@bmsi.com> 0.8.1-1
- Fix zip in zip loop in mime.py
- Fix HeaderParseError in bms.py header callback
- Check internal_domains for outgoing mail
- Fix inconsistent results from send_dsn
-* Mon Jun 06 2005 Stuart Gathman <stuart@bmsi.com> 0.8.0-3
- properly log pydspam exceptions
-* Sat Jun 04 2005 Stuart Gathman <stuart@bmsi.com> 0.8.0-2
- Include default softfail, strike3 templates
-* Wed May 25 2005 Stuart Gathman <stuart@bmsi.com> 0.8.0-1
- Move Milter module to subpackage.
- DSN support for Three strikes rule and SPF SOFTFAIL
- Move /*mime*/ and dynip to Milter subpackage
- Fix SPF unknown mechanism list not cleared
- Make banned extensions configurable.
- Option to scan zipfiles for bad extensions.
-* Tue Feb 08 2005 Stuart Gathman <stuart@bmsi.com> 0.7.3-1.EL3
- Support EL3 and Python2.4 (some scanning/defang support broken)
-* Mon Aug 30 2004 Stuart Gathman <stuart@bmsi.com> 0.7.2-1
- Fix various SPF bugs
- Recognize dynamic PTR names, and don't count them as authentication.
- Three strikes and yer out rule.
- Block softfail by default unless valid PTR or HELO
- Return unknown for null mechanism
- Return unknown for invalid ip address in mechanism
- Try best guess on HELO also
- Expand setreply for common errors
- make rhsbl.m4 hack available for sendmail.mc
-* Sun Aug 22 2004 Stuart Gathman <stuart@bmsi.com> 0.7.1-1
- Handle modifying mislabeled multipart messages without an exception
- Support setbacklog, setmlreply
- allow multi-recipient CBV
- return TEMPFAIL for SPF softfail
-* Fri Jul 23 2004 Stuart Gathman <stuart@bmsi.com> 0.7.0-1
- SPF check hello name
- Move pythonsock to /var/run/milter
- Move milter.cfg to /etc/mail/pymilter.cfg
- Check M$ style XML CID records by converting to SPF
- Recognize, but never match ip6 until we properly support it.
- Option to reject when no PTR and no SPF
-* Fri Apr 09 2004 Stuart Gathman <stuart@bmsi.com> 0.6.9-1
- Validate spf.py against test suite, and add Received-SPF support to spf.py
- Support best_guess for SPF
- Reject numeric hello names
- Preserve case of local part in sender
- Make libmilter timeout a config option
- Fix setup.py to work with python < 2.2.3
-* Tue Apr 06 2004 Stuart Gathman <stuart@bmsi.com> 0.6.8-3
- Reject invalid SRS immediately for benefit of callback verifiers
- Fix include bug in spf.py
-* Tue Apr 06 2004 Stuart Gathman <stuart@bmsi.com> 0.6.8-2
- Bug in check_header
-* Mon Apr 05 2004 Stuart Gathman <stuart@bmsi.com> 0.6.8-1
- Don't report spoofed unless rcpt looks like SRS
- Check for bounce with multiple rcpts
- Make dspam see Received-SPF headers
- Make sysv init work with RH9
-* Thu Mar 25 2004 Stuart Gathman <stuart@bmsi.com> 0.6.7-3
- Forgot to make spf_reject_neutral global in bms.py
-* Wed Mar 24 2004 Stuart Gathman <stuart@bmsi.com> 0.6.7-2
- Defang message/rfc822 content_type with boundary 
- Support SPF delegation
- Reject neutral SPF result for selected domains
-* Tue Mar 23 2004 Stuart Gathman <stuart@bmsi.com> 0.6.7-1
- SRS forgery check.  Detect thread resource starvation.
- Properly remove local socket with explicit type.
- Decode obfuscated subject headers.
-* Wed Mar 11 2004 Stuart Gathman <stuart@bmsi.com> 0.6.6-2
- init script bug with python2.3
-* Wed Mar 10 2004 Stuart Gathman <stuart@bmsi.com> 0.6.6-1
- SPF checking, hello blacklist
-* Mon Mar 08 2004 Stuart Gathman <stuart@bmsi.com> 0.6.5-2
- memory leak in envfrom and envrcpt
-* Mon Mar 01 2004 Stuart Gathman <stuart@bmsi.com> 0.6.5-1
- progress notification
- memory leak in connect
- trusted relay
-* Thu Feb 19 2004 Stuart Gathman <stuart@bmsi.com> 0.6.4-2
- smart alias wildcard patch, compile for sendmail-8.12
-* Thu Dec 04 2003 Stuart Gathman <stuart@bmsi.com> 0.6.4-1
- many fixes for dspam support
-* Wed Oct 22 2003 Stuart Gathman <stuart@bmsi.com> 0.6.3
- dspam SCREEN feature
- streamline dspam false positive handling
-* Mon Sep 01 2003 Stuart Gathman <stuart@bmsi.com> 0.6.1
- Full dspam support added
-* Mon Aug 26 2003 Stuart Gathman <stuart@bmsi.com>
- Use New email module
-* Fri Jun 27 2003 Stuart Gathman <stuart@bmsi.com>
- Add dspam module
@@ -1,4 +1,16 @@
 # $Log$
+# Revision 1.8  2011/11/05 15:51:03  customdesigned
+# New example
+#
+# Revision 1.7  2009/06/13 21:15:12  customdesigned
+# Doxygen updates.
+#
+# Revision 1.6  2009/06/09 03:13:13  customdesigned
+# More doxygen docs.
+#
+# Revision 1.5  2005/07/20 14:49:43  customdesigned
+# Handle corrupt and empty ZIP files.
+#
 # Revision 1.4  2005/06/17 01:49:39  customdesigned
 # Handle zip within zip.
 #
@@ -70,8 +82,12 @@
 # with old milter code.
 #

-# This module provides a "defang" function to replace naughty attachments
-# with a warning message.
+## @package mime
+# This module provides a "defang" function to replace naughty attachments.
+# 
+# We also provide workarounds for bugs in the email module that comes 
+# with python.  The "bugs" fixed mostly come up only with malformed
+# messages - but that is what you have when dealing with spam.

 # Author: Stuart D. Gathman <stuart@bmsi.com>
 # Copyright 2001,2002,2003,2004,2005 Business Management Systems, Inc.
@@ -93,6 +109,8 @@ from email import Errors

 from types import ListType,StringType

+## Return a list of filenames in a zip file.
+# Embedded zip files are recursively expanded.
 def zipnames(txt):
  fp =  StringIO.StringIO(txt)
  zipf = zipfile.ZipFile(fp,'r')
@@ -103,6 +121,8 @@ def zipnames(txt):
      names += zipnames(zipf.read(nm))
  return names

+## Fix multipart handling in email.Generator.
+#
 class MimeGenerator(Generator):
    def _dispatch(self, msg):
        # Get the Content-Type: for the message, then try to dispatch to
@@ -142,21 +162,23 @@ def _unquotevalue(value):

 from email.Message import _parseparam

-# Enhance email.Message 
-# - Provide a headerchange event for integration with Milter
-#   Headerchange attribute can be assigned a function to be called when
-#   changing headers.  The signature is:
-#	headerchange(msg,name,value) -> None
-# - Track modifications to headers of body or any part independently
+## Enhance email.Message 
+#
+# Tracks modifications to headers of body or any part independently.

 class MimeMessage(Message):
  """Version of email.Message.Message compatible with old mime module
  """
  def __init__(self,fp=None,seekable=1):
    Message.__init__(self)
-    self.headerchange = None
    self.submsg = None
    self.modified = False
+  ## @var headerchange
+  # Provide a headerchange event for integration with Milter.
+  #   The headerchange attribute can be assigned a function to be called when
+  #   changing headers.  The signature is:
+  #   headerchange(msg,name,value) -> None
+    self.headerchange = None

  def get_param(self, param, failobj=None, header='content-type', unquote=True):
    val = Message.get_param(self,param,failobj,header,unquote)
@@ -1,34 +0,0 @@
-Subject: SPF %(result)s (POSSIBLE FORGERY)
-
-This is an automatically generated Delivery Status Notification.
-
-THIS IS A WARNING MESSAGE ONLY.
-
-YOU DO *NOT* NEED TO RESEND YOUR MESSAGE.
-
-Delivery to the following recipients has been delayed.
-
-       %(rcpt)s
-
-Subject: %(subject)s
-Received-SPF: %(spf_result)s
-
-Your sender policy (or lack thereof) indicated that the above email was not
-sent via an authorized SMTP server, but may still be legitimate.  Since there
-is no positive confirmation that the message is really from you, we have
-to give it extra scrutiny - including verifying that the sender really
-exists by sending you this DSN.  We will remember this sender and not
-bother you again for a while.  You can avoid this message entirely for
-legitimate mail by using an authorized SMTP server.  Contact your mail
-administrator and ask how to configure your email client to use an
-authorized server.  
-
-If you never sent the above message, then your domain has been forged.
-Your mail admin needs to publish a strict SPF record so that I can reject
-those forgeries instead of bugging you about them.
-
-If you need further assistance, please do not hesitate to contact me.
-
-Kind regards,
-
-postmaster@%(receiver)s
@@ -1,31 +0,0 @@
-Subject: Critical SPF configuration error
-
-This is an automatically generated Delivery Status Notification.
-
-THIS IS A WARNING MESSAGE ONLY.
-
-YOU DO *NOT* NEED TO RESEND YOUR MESSAGE.
-
-Delivery to the following recipients has been delayed.
-
-	%(rcpt)s
-
-Subject: %(subject)s 
-
-Your spf record has a permanent error.  The error was:
-
-	%(perm_error)s
-
-We will reinterpret your record using "lax" processing heuristics
-which may result in your mail being accepted anyway.  But you or your
-mail administrator need to fix your SPF record as soon as possible.
-
-We are sending you this message to alert you to the fact that
-you have problems with your email configuration.
-
-If you need further assistance, please do not hesitate to
-contact me again.
-
-Kind regards,
-
-postmaster@%(receiver)s
@@ -1,237 +0,0 @@
-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
-<html>
-<head>
-<title>Python Milter Mail Policy </title>
-</head><body>
-
-<h1> Python Milter Mail Policy </h1>
-
-<h3> Classify connection </h3>
-
-When the SMTP client connects, the connection IP address is
-saved for later verification, and the connection
-is classified as INTERNAL or EXTERNAL by matching the ip
-address against the <code>internal_connect</code> configuration.
-IP addresses with no PTR, and PTR names that look like
-the kind assigned to dynamic IPs (as determined by a heuristic
-algorithm) are flagged as DYNAMIC.  IPs that match the
-<code>trusted_relay</code> configuration are flagged as TRUSTED.
-<p>
-Examples from the log file (<i>not</i> the SMTP error message returned):
-<pre>
-2005Jul29 13:56:53 [71207] connect from p50863492.dip0.t-ipconnect.de at ('80.134.52.146', 1858) EXTERNAL DYN
-2005Jul29 18:10:15 [74511] connect from foopub at ('1.2.3.4', 46513) EXTERNAL TRUSTED
-2005Jul29 14:41:00 [71805] connect from foobar at ('192.168.0.1', 41205) INTERNAL
-2005Jul29 14:41:15 [71806] connect from cncln.online.ln.cn at ('218.25.240.137', 35992) EXTERNAL
-</pre>
-<p>
-Certain obviously evil PTR names are blocked at this point:
-"localhost" (when IP is not 127.*) and ".".
-<pre>
-2005Jul29 14:49:50 [71918] connect from localhost at ('221.132.0.6', 50507) EXTERNAL
-2005Jul29 14:49:50 [71918] REJECT: PTR is localhost
-</pre>
-
-<h3> HELO Check </h3>
-
-The HELO name provided by the client is saved for later verification
-(for example by SPF).  We could validate the HELO at this point
-by verifying that an A record for the HELO name matches the connect ip.
-However, currently we only block certain obvious problems.  
-HELO names that look like an IP4 address 
-and ones that match the <code>hello_blacklist</code> configuration
-are immediately rejected.  The hello_blacklist typically contains
-the current MTAs own HELO name or email domains.
-Clients that attempt to skip HELO are immediately rejected.
-<pre>
-2005Jul29 18:10:15 [74512] hello from example.com
-2005Jul29 18:10:15 [74512] REJECT: spam from self: example.com
-2005Jul29 18:17:09 [74581] hello from 80.191.244.69
-2005Jul29 18:17:09 [74581] REJECT: numeric hello name: 80.191.244.69
-</pre>
-
-<h3> MAIL FROM Check </h3>
-
-Before calling our milter, sendmail checks a DNS blacklist to 
-block banned sender domains.  We never see a blocked domain.
-<p>
-The MAIL FROM address is saved for possible use by the smart-alias
-feature.  First, the <code>internal_domains</code> is used for
-a simple screening if defined.  If the MAIL FROM for an INTERNAL connection 
-is NOT in <code>internal_domains</code>, then it is rejected (the
-PC is most likely infected and attempting to send out spam).
-If the MAIL FROM for an EXTERNAL connection IS in
-<code>internal_domains</code>, then the message is immediately rejected.
-This is quick and effective for most small company MTAs.  For more
-complex mail networks, it is too simplistic, and should not be defined.
-SPF will handle the complex cases.
-
-<h4> wiretap </h4>
-
-The wiretap feature can screen and/or monitor mail to/from certain
-users.  If the MAIL FROM is being wiretapped, the recipients are
-altered accordingly.
-
-<h4> SPF check </h4>
-
-Finally, the MAIL FROM, connect IP, and HELO name are checked against
-any SPF records published via DNS for the alleged sender (MAIL FROM).
-If there is no SPF record, we check for a local substitute under the
-domain defined in the <code>[spf]delegate</code> configuration.
-Further checks depend on the result.
-
-<table border=1>
-<tr><th>NONE</th><td>
-If there is no SPF record (official or delegated), then we 
-initiate a "three strikes and your out" regime, which looks for
-<b>some</b> form of validated identification.
-<ol>
-<li>We try a "best guess" SPF record of "v=spf1 a/24 mx/24 ptr".  If this
-    passes, good.  
-<li> We try to validate the HELO name. First check for an SPF record.
-   Otherwise, check whether the connect IP matches any A record for
-   the HELO name, or any A record for any MX name for the HELO name,
-   or is at least in the same /24 subnet as any of the above.
-   (In other words, a HELO SPF "best guess" of "v=spf1 a/24 mx/24".)
-   If so, good.  We consider the HELO validated.  If the HELO SPF
-   check fails, we reject the email.
-</ol>
-<pre>
-2005Jul30 19:45:16 [93991] connect from [221.200.41.54] at ('221.200.41.54', 3581) EXTERNAL DYN
-2005Jul30 19:45:18 [93991] hello from adelphia.net
-2005Jul30 19:45:19 [93991] mail from <wendy.stubbsua@link-it.com> ()
-2005Jul30 19:45:19 [93991] REJECT: hello SPF: fail 550 access denied
-</pre>
-<ol>
-<li> If there is a validated PTR name, and it doesn't look
-   like a dynamic name, good.  We consider the connection validated.
-</ol>
-If any of the above can be validated, we continue on.
-If none of the above can be validated, and the <code>[SPF]reject_noptr</code>
-option is true, we reject the message immediately with the explanation
-that we need some form of valid identification before we accept an email.
-If <code>[SPF]reject_noptr</code> is false, we flag the message as
-needing Call Back Validation.  
-The Call Back Valildation sends a DSN to the purported sender informing
-them of the lack of identification.  If the message is legitimate, the
-sender needs to know that their email setup is broken and should be corrected.
-If the message is forged, the sender is informed of the forgery, 
-and their need to publish an SPF record or at least use a valid HELO name.
-If the purported sender does not accept the DSN,
-then the message is rejected.  The CBV status is cached to avoid
-annoying the purported sender with too many DSNs.  Currently, the DSN
-is repeated to the same sender once per month.
-<p>
-In this example, although 3com.com has no SPF record, we assume that 
-any legitimate mail from them will at least have a valid HELO or PTR.
-<pre>
-2005Jul30 23:52:03 [96777] connect from [222.252.233.200] at ('222.252.233.200', 29934) EXTERNAL DYN
-2005Jul30 23:52:03 [96777] hello from 3mail.3com.com
-2005Jul30 23:52:04 [96777] mail from <etec_nic_family@3mail.3com.com> ()
-2005Jul30 23:52:04 [96777] REJECT: no PTR, HELO or SPF
-</pre>
-</td></tr>
-
-<tr><th>PASS</th><td>
-A pass result normally lets the email continue on, but the domain is 
-tracked for reputation (and may be blocked), and may skip content scanning if
-it matches a whitelist.
-<pre>
-2005Jul24 17:44:26 [2104] mail from <gnucash-devel-bounces@gnucash.org> ('SIZE=4410',)
-2005Jul24 17:44:26 [2104] Received-SPF: pass (mail.bmsi.com: domain of gnucash.org
-	designates 204.107.200.65 as permitted sender)
-	client-ip=204.107.200.65; envelope-from=gnucash-devel-bounces@gnucash.org; helo=cvs.gnucash.org;
-</pre>
-</td></tr>
-
-<tr><th>NEUTRAL</th><td>
-A neutral result normally lets the email continue on, but the domain is not
-tracked for reputation or matched against any whitelists. 
-Highly forged domains listed in <code>[SPF]reject_neutral</code> are
-rejected.
-<pre>
-2005Jul24 17:41:37 [2070] connect from cp500627-a.dbsch1.nb.home.nl at ('84.27.225.3', 3465) EXTERNAL
-2005Jul24 17:41:37 [2070] hello from cp500627-a.dbsch1.nb.home.nl
-2005Jul24 17:41:38 [2070] mail from <nwarjejkw@yahoo.com> ()
-2005Jul24 17:41:38 [2070] REJECT: SPF neutral for nwarjejkw@yahoo.com
-</pre>
-</td></tr>
-
-<tr><th>SOFTFAIL</th><td>
-A softfail result normally lets the email continue on, but the domain is not
-tracked for reputation or matched against any whitelists.  Furthermore,
-the message is flagged as needing Call Back Validation,
-and the highly forged domains listed in <code>[SPF]reject_neutral</code> are
-rejected as well.  
-<p>
-At present, we also require a valid HELO or PTR to avoid rejecting 
-a softfail.  But this should probably change to only require a
-successful CBV.
-<p>
-The Call Back Valildation sends a DSN to the purported sender informing
-them of the softfail.  If the message is legitimate, the sender needs
-to know about the softfail so that their email setup can be corrected.
-If the message is forged, the sender is informed of the forgery, confirming
-that SPF is protecting their reputation and encouraging a rapid transition
-to a strict policy.  If the purported sender does not accept the DSN,
-then the message is rejected.  The CBV status is cached to avoid
-annoying the purported sender with too many DSNs.  Currently, the DSN
-is repeated to the same sender once per month.
-<pre>
-2005Jul24 15:41:33 [801] mail from <Aitp@horafeliz.com> ()
-2005Jul24 15:41:33 [801] Received-SPF: softfail (mail.bmsi.com: transitioning domain of horafeliz.com
-	does not designate 221.184.83.185 as permitted sender)
-	client-ip=221.184.83.185; envelope-from=Aitp@horafeliz.com;
-	helo=p8185-ipad30funabasi.chiba.ocn.ne.jp;
-2005Jul24 15:41:33 [801] rcpt to <david@example.com> ()
-2005Jul24 15:41:35 [801] Subject: Microsoft, Adobe, Macromedia, Corel software. Up to 80% discount.
-2005Jul24 15:41:35 [801] X-Mailer: Microsoft Outlook, Build 10.0.2605
-2005Jul24 15:41:35 [801] CBV: Aitp@horafeliz.com
-2005Jul24 15:41:38 [801] REJECT: CBV: 550 <Aitp@horafeliz.com>: User unknown
-</pre>
-</td></tr>
-
-<tr><th>FAIL</th><td>
-The message is rejected with a reference the SPF why page.
-<pre>
-2005Jul30 19:53:27 [94070] connect from [212.70.52.16] at ('212.70.52.16', 3192) EXTERNAL DYN
-2005Jul30 19:53:27 [94070] hello from winzip.com
-2005Jul30 19:53:27 [94070] mail from <dan@winzip.com> ()
-2005Jul30 19:53:27 [94070] REJECT: SPF fail 550 SPF fail:
-	see http://openspf.com/why.html?sender=dan@winzip.com&ip=212.70.52.16
-</pre>
-</td></tr>
-
-<tr><th>PERMERROR</th><td>
-Permanent errors were called "unknown", and are still show that way
-in the log.  The message is rejected.  Previously, we enabled "lax" parsing
-of the SPF record, but rejecting is better because it informs the
-sender about their problem.  The next milter version will 
-look for a local substitute SPF record (as for a missing SPF record)
-before rejecting.  This will inform the sender of their problem, but
-also let the receiver install a temporary workaround.
-<pre>
-2005Jul24 18:05:37 [2312] mail from <b-mihdbcgaacaa-becibijh-000-@msg.euxiphipops.com> () 
-2005Jul24 18:05:37 [2312] REJECT: SPF unknown 550 SPF Permanent Error:
-	include mechanism missing domain: include
-</pre>
-The SPF record for msg.euxiphipops.com looked like this at the time of the
-above error:
-<pre>
-msg.euxiphipops.com	TXT "v=spf1 mx ptr a include"
-</pre>
-</td></tr>
-
-<tr><th>TEMPERROR</th><td>
-Temporary errors result in a 451 "Try again later" response.  The sender
-should retry the message at a later time.
-<pre>
-2005Jul24 07:33:13 [29846] mail from <quickenloans@rate.quicken.com> ('SIZE=73775', 'BODY=8BITMIME')
-2005Jul24 07:33:43 [29846] TEMPFAIL: SPF error 450 SPF Temporary Error: DNS Timeout
-</pre>
-</td></tr>
-
-</table>
-
-</body>
-</html>
@@ -0,0 +1,157 @@
+%define __python python2.6
+%define pythonbase python
+
+%define libdir %{_libdir}/pymilter
+%{!?python_sitearch: %define python_sitearch %(%{__python} -c "from distutils.sysconfig import get_python_lib; print get_python_lib(1)")}
+
+Summary: Python interface to sendmail milter API
+Name: %{pythonbase}-pymilter
+Version: 0.9.8
+Release: 1%{dist}
+Source: http://downloads.sourceforge.net/pymilter/pymilter-%{version}.tar.gz
+License: GPLv2+
+Group: Development/Libraries
+BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
+Url: http://www.bmsi.com/python/milter.html
+# python-2.6.4 gets RuntimeError: not holding the import lock
+Requires: %{pythonbase} >= 2.6.5, sendmail >= 8.13
+# Need python2.6 specific pydns, not the version for system python
+Requires: %{pythonbase}-pydns
+# Needed for callbacks, not a core function but highly useful for milters
+BuildRequires: ed, %{pythonbase}-devel, sendmail-devel >= 8.13
+
+%description
+This is a python extension module to enable python scripts to
+attach to sendmail's libmilter functionality.  Additional python
+modules provide for navigating and modifying MIME parts, sending
+DSNs, and doing CBV.
+
+%prep
+%setup -q -n pymilter-%{version}
+
+%build
+env CFLAGS="$RPM_OPT_FLAGS" %{__python} setup.py build
+
+%install
+rm -rf $RPM_BUILD_ROOT
+%{__python} setup.py install --root=$RPM_BUILD_ROOT
+mkdir -p $RPM_BUILD_ROOT%{_localstatedir}/run/milter
+mkdir -p $RPM_BUILD_ROOT%{_localstatedir}/log/milter
+mkdir -p $RPM_BUILD_ROOT%{libdir}
+cp start.sh $RPM_BUILD_ROOT%{libdir}
+ed $RPM_BUILD_ROOT%{libdir}/start.sh <<'EOF'
+/^datadir=/
+c
+datadir="%{_localstatedir}/log/milter"
+.
+/^piddir=/
+c
+piddir="%{_localstatedir}/run/milter"
+.
+/^libdir=/
+c
+libdir="%{libdir}"
+.
+/^python=/
+c
+python="%{__python}"
+.
+w
+q
+EOF
+chmod a+x $RPM_BUILD_ROOT%{libdir}/start.sh
+
+# start.sh is used by spfmilter, srsmilter, and milter, and could be used by
+# other milters using pymilter.
+%files
+%defattr(-,root,root,-)
+%doc README ChangeLog NEWS TODO CREDITS sample.py milter-template.py
+%{python_sitearch}/*
+%{libdir}
+%dir %attr(0755,mail,mail) %{_localstatedir}/run/milter
+%dir %attr(0755,mail,mail) %{_localstatedir}/log/milter
+
+%clean
+rm -rf $RPM_BUILD_ROOT
+
+%changelog
+* Sat Mar  9 2013 Stuart Gathman <stuart@bmsi.com> 0.9.8-1
+- Add Milter.test module for unit testing milters.
+- Fix typo that prevented setsymlist from being active.
+- Change untrapped exception message to:
+- "pymilter: untrapped exception in milter app"
+
+* Sat Feb 25 2012 Stuart Gathman <stuart@bmsi.com> 0.9.7-1
+- Raise RuntimeError when result != CONTINUE for @noreply and @nocallback
+- Remove redundant table in miltermodule
+- Fix CNAME chain duplicating TXT records in Milter.dns (from pyspf).
+
+* Sat Feb 25 2012 Stuart Gathman <stuart@bmsi.com> 0.9.6-1
+- Raise ValueError on unescaped '%' passed to setreply
+- Grace time at end of Greylist window
+
+* Fri Aug 19 2011 Stuart Gathman <stuart@bmsi.com> 0.9.5-1
+- Print milter.error for invalid callback return type.
+  (Since stacktrace is empty, the TypeError exception is confusing.)
+- Fix milter-template.py
+- Tweak Milter.utils.addr2bin and Milter.dynip to handle IP6
+
+* Wed Mar 02 2010 Stuart Gathman <stuart@bmsi.com> 0.9.4-1
+- Handle IP6 in Milter.utils.iniplist()
+- python-2.6
+
+* Thu Jul 02 2009 Stuart Gathman <stuart@bmsi.com> 0.9.3-1
+- Handle source route in Milter.utils.parse_addr()
+- Fix default arg in chgfrom.
+- Disable negotiate callback for libmilter < 8.14.3 (1,0,1)
+
+* Tue Jun 02 2009 Stuart Gathman <stuart@bmsi.com> 0.9.2-3
+- Change result of @noreply callbacks to NOREPLY when so negotiated.
+
+* Tue Jun 02 2009 Stuart Gathman <stuart@bmsi.com> 0.9.2-2
+- Cache callback negotiation
+
+* Thu May 28 2009 Stuart Gathman <stuart@bmsi.com> 0.9.2-1
+- Add new callback support: data,negotiate,unknown
+- Auto-negotiate protocol steps 
+
+* Thu Feb 05 2009 Stuart Gathman <stuart@bmsi.com> 0.9.1-1
+- Fix missing address of optional param to addrcpt
+
+* Wed Jan 07 2009 Stuart Gathman <stuart@bmsi.com> 0.9.0-4
+- Stop using INSTALLED_FILES to make Fedora happy
+- Remove config flag from start.sh glue
+- Own /var/log/milter
+- Use _localstatedir
+
+* Wed Jan 07 2009 Stuart Gathman <stuart@bmsi.com> 0.9.0-2
+- Changes to meet Fedora standards
+
+* Mon Nov 24 2008 Stuart Gathman <stuart@bmsi.com> 0.9.0-1
+- Split pymilter into its own CVS module
+- Support chgfrom and addrcpt_par
+- Support NS records in Milter.dns
+
+* Mon Aug 25 2008 Stuart Gathman <stuart@bmsi.com> 0.8.10-2
+- /var/run/milter directory must be owned by mail
+
+* Mon Aug 25 2008 Stuart Gathman <stuart@bmsi.com> 0.8.10-1
+- improved parsing into email and fullname (still 2 self test failures)
+- implement no-DSN CBV, reduce full DSNs
+
+* Mon Sep 24 2007 Stuart Gathman <stuart@bmsi.com> 0.8.9-1
+- Use ifarch hack to build milter and milter-spf packages as noarch
+- Remove spf dependency from dsn.py, add dns.py
+
+* Fri Jan 05 2007 Stuart Gathman <stuart@bmsi.com> 0.8.8-1
+- move AddrCache, parse_addr, iniplist to Milter package
+- move parse_header to Milter.utils
+- fix plock for missing source and can't change owner/group
+- split out pymilter and pymilter-spf packages
+- move milter apps to /usr/lib/pymilter
+
+* Sat Nov 04 2006 Stuart Gathman <stuart@bmsi.com> 0.8.7-1
+- SPF moved to pyspf RPM
+
+* Tue May 23 2006 Stuart Gathman <stuart@bmsi.com> 0.8.6-2
+- Support CBV timeout
@@ -1,26 +0,0 @@
-Subject: DELIVERY STATUS (POSSIBLE SPAM)
-
-This is an automatically generated Delivery Status Notification.
-
-THIS IS A WARNING MESSAGE ONLY.
-
-YOU DO *NOT* NEED TO RESEND YOUR MESSAGE.
-
-Delivery to the following recipients has been delayed.
-
-       %(rcpt)s
-
-Subject: %(subject)s
-Received-SPF: %(spf_result)s
-
-A statistical analysis of your message has classified it as junk mail,
-and it has been quarantined.  Eventually, the recipients will review
-their quarantined mail and may notice your message.  If your message is
-important, please contact them via other means.  You may also try sending
-them a simple plain text message.
-
-If you need further assistance, please do not hesitate to contact me.
-
-Kind regards,
-
-postmaster@%(receiver)s
@@ -1,38 +0,0 @@
-# Analyze milter log to find abusers
-
-fp = open('/var/log/milter/milter.log','r')
-subdict = {}
-ipdict = {}
-spamcnt = {}
-for line in fp:
-  a = line.split(None,4)
-  if len(a) < 4: continue
-  dt,tm,id,op = a[:4]
-  if op == 'Subject:':
-    if len(a) > 4: subdict[id] = a[4].rstrip()
-  elif op == 'connect':
-    ipdict[id] = a[4].rstrip()
-  elif op in ('eom','dspam'):
-    if id in subdict: del subdict[id]
-    if id in ipdict: del ipdict[id]
-  elif op in ('REJECT:','DSPAM:','SPAM:','abort'):
-    if id in subdict:
-      if id in ipdict:
-        ip = ipdict[id]
-	del ipdict[id]
-	f,host,raw = ip.split(None,2)
-	if host in spamcnt:
-	  spamcnt[host] += 1
-	else:
-	  spamcnt[host] = 1
-      else: ip = ''
-      print dt,tm,op,a[4].rstrip(),subdict[id]
-      del subdict[id]
-    else:
-      print line.rstrip()
-print len(subdict),'leftover entries'
-
-spamlist = filter(lambda x: x[1] > 1,spamcnt.items())
-spamlist.sort(lambda x,y: x[1] - y[1])
-for ip,cnt in spamlist:
-  print cnt,ip
@@ -1,44 +0,0 @@
-divert(-1)
-#
-# Copyright (c) 2002 Derek J. Balling
-#	All rights reserved.
-#
-# Permission to use granted for all purposes. If modifications are made
-# they are requested to be sent to <dredd@megacity.org> for inclusion in future
-# versions 
-#
-# Allows (hopefully) for checking of access.db whitelisting now. This ONLY
-# works on sendmail-8.12.x ... use on any other version may require tinkering
-# by you the downloader.
-#
-# Incorporates many changes by Sergey S. Mokryshev <mokr@mokr.net>
-#
-#
-
-divert(0)
-ifdef(`_RHSBL_R_',`dnl',`dnl
-VERSIONID(`$Id$')
-define(`_RHSBL_R_',`')
-ifdef(`_DNSBL_R_',`dnl',`dnl
-LOCAL_CONFIG
-# map for DNS based blacklist lookups based on the sender RHS
-Kdnsbl host -T<TMP>')')
-divert(-1)
-define(`_RHSBL_SRV_', `_ARG_')dnl
-define(`_RHSBL_MSG_', `ifelse(len(X`'_ARG2_),`1',`"550 Mail from " $`'&{RHS} " refused by blackhole site '_RHSBL_SRV_`"',`_ARG2_')')dnl
-define(`_RHSBL_MSG_TMP_', `ifelse(_ARG3_,`t',`"451 Temporary lookup failure of " $`'&{RHS} " at '_RHSBL_SRV_`"',`_ARG3_')')dnl
-
-MAILER_DEFINITIONS
-
-SLocal_check_mail
-# DNS based RHS spam list blackholes.bmsi.com
-R$*			$: <?> $>CanonAddr $1
-R<?> $*<@$+.>		$: <?> $1<@$2.> $| $>SearchList <+ rhs> $| <F:$1@$2> <D:$2> <>
-R<?> $* $| <$={Accept}>	$: OKSOFAR
-R<?> $*<@$+.> $| $*	$: <?> $(dnsbl $2._RHSBL_SRV_. $: OK $) $(macro {RHS} $@ $2 $)
-R<?> OK			$: OKSOFAR
-R<?> $*<@$*>		$: OKSOFAR
-ifelse(len(X`'_ARG3_),`1',
-`R<?>$+<TMP>		$: TMPOK',
-`R<?>$+<TMP>		$#error $@ 4.7.1 $: _RHSBL_MSG_TMP_')
-R<?>$+			$#error $@ 5.7.1 $: _RHSBL_MSG_
@@ -35,7 +35,9 @@ class sampleMilter(Milter.Milter):
  # multiple messages can be received on a single connection
  # envfrom (MAIL FROM in the SMTP protocol) seems to mark the start
  # of each message.
+  @Milter.noreply
  def envfrom(self,f,*str):
+    "start of MAIL transaction"
    self.log("mail from",f,str)
    self.fp = StringIO.StringIO()
    self.tempname = None
@@ -1,5 +1,5 @@
 [bdist_rpm]
-python=python2.4
+python=python2.6
 doc_files=README NEWS TODO
 packager=Stuart D. Gathman <stuart@bmsi.com>
 release=1
@@ -1,25 +1,25 @@
 import os
 import sys
 from distutils.core import setup, Extension
-import Milter

-# FIXME: on some versions of sendmail, smutil is renamed to sm
-libs = ["milter", "smutil"]
+if sys.version < '2.6.5':
+  sys.exit('ERROR: Sorry, python 2.6.5 is required for this module.')

-# patch distutils if it can't cope with the "classifiers" or
-# "download_url" keywords
-if sys.version < '2.2.3':
-  from distutils.dist import DistributionMetadata
-  DistributionMetadata.classifiers = None
-  DistributionMetadata.download_url = None
+# FIXME: on some versions of sendmail, smutil is renamed to sm.
+# On slackware and debian, leave it out entirely.  It depends
+# on how libmilter was built by the sendmail package.
+#libs = ["milter", "smutil"]
+libs = ["milter"]
+libdirs = ["/usr/lib/libmilter"]    # needed for Debian

-setup(name = "milter", version = Milter.__version__,
+# NOTE: importing Milter to obtain version fails when milter.so not built
+setup(name = "pymilter", version = '0.9.8',
 	description="Python interface to sendmail milter API",
 	long_description="""\
 This is a python extension module to enable python scripts to
 attach to sendmail's libmilter functionality.  Additional python
 modules provide for navigating and modifying MIME parts, and
-querying SPF records.
+sending DSNs or doing CBVs.
 """,
 	author="Jim Niemira",
 	author_email="urmane@urmane.org",
@@ -27,11 +27,13 @@ querying SPF records.
 	maintainer_email="stuart@bmsi.com",
 	license="GPL",
 	url="http://www.bmsi.com/python/milter.html",
-	py_modules=["mime","spf"],
+	py_modules=["mime"],
 	packages = ['Milter'],
 	ext_modules=[
 	  Extension("milter", ["miltermodule.c"],
+            library_dirs=libdirs,
 	    libraries=libs,
+	    # set MAX_ML_REPLY to 1 for sendmail < 8.13
 	    define_macros = [ ('MAX_ML_REPLY',32) ]
 	  ),
 	],
@@ -1,25 +0,0 @@
-Subject: SPF %(result)s (POSSIBLE FORGERY)
-
-This is an automatically generated Delivery Status Notification.
-
-THIS IS A WARNING MESSAGE ONLY.
-
-YOU DO *NOT* NEED TO RESEND YOUR MESSAGE.
-
-Delivery to the following recipients has been delayed.
-
-       %(rcpt)s
-
-Subject: %(subject)s
-Received-SPF: %(spf_result)s
-
-Your sender policy indicated that the above email was likely forged and that
-feedback was desired.  If you are sending from a foreign ISP,
-then you may need to follow your home ISPs instructions for configuring
-your outgoing mail server.
-
-If you need further assistance, please do not hesitate to contact me.
-
-Kind regards,
-
-postmaster@%(receiver)s
@@ -1,99 +0,0 @@
-#!/usr/bin/python2.3
-
-# Author: Stuart D. Gathman <stuart@bmsi.com>
-# Copyright 2004 Business Management Systems, Inc.
-# This code is under the GNU General Public License.  See COPYING for details.
-
-# $Log$
-# Revision 1.1.1.1  2005/05/31 18:07:19  customdesigned
-# Release 0.6.9
-#
-# Revision 2.3  2004/04/19 22:12:11  stuart
-# Release 0.6.9
-#
-# Revision 2.2  2004/04/18 03:29:35  stuart
-# Pass most tests except -local and -rcpt-to
-#
-# Revision 2.1  2004/04/08 18:41:15  stuart
-# Reject numeric hello names
-#
-# Driver for SPF test system
-
-import spf
-import sys
-
-from optparse import OptionParser
-
-class PerlOptionParser(OptionParser):
-    def _process_args (self, largs, rargs, values):
-        """_process_args(largs : [string],
-                         rargs : [string],
-                         values : Values)
-
-        Process command-line arguments and populate 'values', consuming
-        options and arguments from 'rargs'.  If 'allow_interspersed_args' is
-        false, stop at the first non-option argument.  If true, accumulate any
-        interspersed non-option arguments in 'largs'.
-        """
-        while rargs:
-            arg = rargs[0]
-            # We handle bare "--" explicitly, and bare "-" is handled by the
-            # standard arg handler since the short arg case ensures that the
-            # len of the opt string is greater than 1.
-            if arg == "--":
-                del rargs[0]
-                return
-            elif arg[0:2] == "--":
-                # process a single long option (possibly with value(s))
-                self._process_long_opt(rargs, values)
-            elif arg[:1] == "-" and len(arg) > 1:
-                # process a single perl style long option
-		rargs[0] = '-' + arg
-                self._process_long_opt(rargs, values)
-            elif self.allow_interspersed_args:
-                largs.append(arg)
-                del rargs[0]
-            else:
-		return
-
-def format(q):
-  res,code,txt = q.check()
-  print res
-  if res in ('pass','neutral','unknown'): print
-  else: print txt
-  print 'spfquery:',q.get_header_comment(res)
-  print 'Received-SPF:',q.get_header(res,'spfquery')
-
-def main(argv):
-  parser = PerlOptionParser()
-  parser.add_option("--file",dest="file")
-  parser.add_option("--ip",dest="ip")
-  parser.add_option("--sender",dest="sender")
-  parser.add_option("--helo",dest="hello_name")
-  parser.add_option("--local",dest="local_policy")
-  parser.add_option("--rcpt-to",dest="rcpt")
-  parser.add_option("--default-explanation",dest="explanation")
-  parser.add_option("--sanitize",type="int",dest="sanitize")
-  parser.add_option("--debug",type="int",dest="debug")
-  opts,args = parser.parse_args(argv)
-  if opts.ip:
-    q = spf.query(opts.ip,opts.sender,opts.hello_name,local=opts.local_policy)
-    if opts.explanation:
-      q.set_default_explanation(opts.explanation)
-    format(q)
-  if opts.file:
-    if opts.file == '0':
-      fp = sys.stdin
-    else:
-      fp = open(opts.file,'r')
-    for ln in fp:
-      ip,sender,helo,rcpt = ln.split(None,3)
-      q = spf.query(ip,sender,helo,local=opts.local_policy)
-      if opts.explanation:
-	q.set_default_explanation(opts.explanation)
-      format(q)
-    fp.close()
-    
-if __name__ == "__main__":
-  import sys
-  main(sys.argv[1:])
@@ -0,0 +1,19 @@
+#!/bin/sh
+appname="$1"
+script="${2:-${appname}}"
+datadir="/var/lib/milter"
+logdir="/var/log/milter"
+piddir="/var/run/milter"
+libdir="/usr/lib/pymilter"
+python="python2.4"
+exec >>${logdir}/${appname}.log 2>&1
+if test -s ${datadir}/${script}.py; then
+  cd ${datadir} # use version in data dir if it exists for debugging
+elif test -s ${logdir}/${script}.py; then
+  cd ${logdir} # use version in log dir if it exists for debugging
+else
+  cd ${libdir}
+fi
+
+${python} ${script}.py &
+echo $! >${piddir}/${appname}.pid
@@ -1,66 +0,0 @@
-Subject: Critical mail server configuration error
-
-This is an automatically generated Delivery Status Notification.
-
-THIS IS A WARNING MESSAGE ONLY.
-
-YOU DO *NOT* NEED TO RESEND YOUR MESSAGE.
-
-Delivery to the following recipients has been delayed.
-
-	%(rcpt)s
-
-Subject: %(subject)s 
-
-Someone at IP address %(connectip)s sent an email claiming
-to be from %(sender)s.  
-
-If that wasn't you, then your domain, %(sender_domain)s,
-was forged - i.e. used without your knowlege or authorization by
-someone attempting to steal your mail identity.  This is a very
-serious problem, and you need to provide authentication for your
-SMTP (email) servers to prevent criminals from forging your
-domain.  The simplest step is usually to publish an SPF record
-with your Sender Policy.  
-
-For more information, see: http://openspf.com
-
-I hate to annoy you with a DSN (Delivery Status
-Notification) from a possibly forged email, but since you
-have not published a sender policy, there is no other way
-of bringing this to your attention.
-
-If it *was* you that sent the email, then your email domain
-or configuration is in error.  If you don't know anything
-about mail servers, then pass this on to your SMTP (mail)
-server administrator.  We have accepted the email anyway, in
-case it is important, but we couldn't find anything about
-the mail submitter at %(connectip)s to distinguish it from a
-zombie (compromised/infected computer - usually a Windows
-PC).  There was no PTR record for its IP address (PTR names
-that contain the IP address don't count).  RFC2821 requires
-that your hello name be a FQN (Fully Qualified domain Name,
-i.e. at least one dot) that resolves to the IP address of
-the mail sender.  In addition, just like for PTR, we don't
-accept a helo name that contains the IP, since this doesn't
-help to identify you.  The hello name you used,
-%(heloname)s, was invalid.
-
-Furthermore, there was no SPF record for the sending domain
-%(sender_domain)s.  We even tried to find its IP in any A or
-MX records for your domain, but that failed also.  We really
-should reject mail from anonymous mail clients, but in case
-it is important, we are accepting it anyway.
-
-We are sending you this message to alert you to the fact that
-
-Either - Someone is forging your domain.
-Or - You have problems with your email configuration.
-Or - Possibly both.
-
-If you need further assistance, please do not hesitate to
-contact me again.
-
-Kind regards,
-
-postmaster@%(receiver)s
@@ -1,14 +1,16 @@
 import unittest
-import testbms
 import testmime
 import testsample
+import testutils
+import testgrey
 import os

 def suite(): 
  s = unittest.TestSuite()
-  s.addTest(testbms.suite())
  s.addTest(testmime.suite())
  s.addTest(testsample.suite())
+  s.addTest(testutils.suite())
+  s.addTest(testgrey.suite())
  return s

 if __name__ == '__main__':
@@ -1,710 +0,0 @@
-From stuart@bmsi.com  Wed May  1 14:37:14 2002
-Return-Path: <stuart@bmsi.com>
-Received: from bmsi.com (IDENT:stuart@localhost [127.0.0.1])
-	by gathman.bmsi.com (8.11.6/8.11.6) with ESMTP id g41IbCF01796
-	for <stuart@gathman.bmsi.com>; Wed, 1 May 2002 14:37:13 -0400
-Sender: stuart@gathman.bmsi.com
-Message-ID: <3CD035D7.18ADF27F@bmsi.com>
-Date: Wed, 01 May 2002 14:37:11 -0400
-From: "Stuart D. Gathman" <stuart@bmsi.com>
-Organization: Business Management Systems, Inc.
-X-Mailer: Mozilla 4.78 [en] (X11; U; Linux 2.4.9-21 i586)
-X-Accept-Language: en
-MIME-Version: 1.0
-To: stuart@gathman.bmsi.com
-Subject: Amazon.com--Earth's Biggest Selection
-Content-Type: multipart/mixed;
- boundary="------------59A46341C90BA737DD47867B"
-
-This is a multi-part message in MIME format.
--------------59A46341C90BA737DD47867B
-Content-Type: multipart/alternative;
- boundary="------------0B098FB91956AC123C61B151"
-
-
--------------0B098FB91956AC123C61B151
-Content-Type: text/plain; charset=us-ascii
-Content-Transfer-Encoding: 7bit
-
-http://www.amazon.com/exec/obidos/subst/home/redirect.html/103-3111065-2579065
-
--
-              Stuart D. Gathman
-Business Management Systems Inc.  Phone: 703 591-0911 Fax: 703 591-6154
-"Confutatis maledictis, flamis acribus addictis" - background song for
-a Microsoft sponsored "Where do you want to go from here?" commercial.
-
-
-
--------------0B098FB91956AC123C61B151
-Content-Type: text/html; charset=us-ascii
-Content-Transfer-Encoding: 7bit
-
-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
-<html>
-<A HREF="http://www.amazon.com/exec/obidos/subst/home/redirect.html/103-3111065-2579065">http://www.amazon.com/exec/obidos/subst/home/redirect.html/103-3111065-2579065</A>
-<pre>--&nbsp;
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Stuart D. Gathman&nbsp;<stuart@bmsi.com>
-Business Management Systems Inc.&nbsp; Phone: 703 591-0911 Fax: 703 591-6154
-"Confutatis maledictis, flamis acribus addictis" - background song for
-a Microsoft sponsored "Where do you want to go from here?" commercial.</pre>
-&nbsp;</html>
-
--------------0B098FB91956AC123C61B151--
-
--------------59A46341C90BA737DD47867B
-Content-Type: text/html; charset=us-ascii;
- name="103-3111065-2579065"
-Content-Transfer-Encoding: 7bit
-Content-Disposition: inline;
- filename="103-3111065-2579065"
-Content-Base: "http://www.amazon.com/exec/obidos/subs
-	t/home/redirect.html/103-3111065-25
-	79065"
-Content-Location: "http://www.amazon.com/exec/obidos/subs
-	t/home/redirect.html/103-3111065-25
-	79065"
-
-
-<html>
-<head>
-<title>
-Amazon.com--Earth's Biggest Selection
-</title>
-<meta name="keywords" content="amazon.com,amazon books,amazon,amazon.com books,amazon music,amazon.com music,amazon video,amazon.com video,auctions,amazon auctions,amazon.com auctions,electronics,consumer electronics,gifts,amazon gifts,amazon.com gifts,cards,e-cards,e-mail cards,greeting cards,amazon cards,amazon.com cards,toys,amazon toys,amazon.com toys,games,amazon games,amazon.com games,toys & games,toys and games">
-<style type="text/css"><!-- .serif { font-family: times,serif; font-size: medium; }
-.sans { font-family: verdana,arial,helvetica,sans-serif; font-size: medium; }
-.small { font-family: verdana,arial,helvetica,sans-serif; font-size: small; }
-.h1 { font-family: verdana,arial,helvetica,sans-serif; color: #CC6600; font-size: medium; }
-.h3color { font-family: verdana,arial,helvetica,sans-serif; color: #CC6600; font-size: small; }
-.tiny { font-family: verdana,arial,helvetica,sans-serif; font-size: x-small; }
-.listprice { font-family: arial,verdana,helvetica,sans-serif; text-decoration: line-through; font-size: small; }
-.price { font-family: verdana,arial,helvetica,sans-serif; color: #990000; font-size: small; }
--></style>
-</head>
-<body bgcolor="#FFFFFF" link="#003399" alink="#FF9933" vlink="#996633" text="#000000" onLoad="document.searchform.elements[1].focus()">
-<a name="top"></a>
-<map name="right_top_nav_map">
-<area shape="rect" href=/exec/obidos/shopping-basket/ref=top_nav_sb_gateway/103-3111065-2579065 coords="0,0,80,21">
-<area shape="rect" href=/exec/obidos/wishlist/ref=cm_wl_topnav_gateway/103-3111065-2579065 coords="85,0,151,21">
-<area shape="rect" href=/exec/obidos/account-access-login/ref=top_nav_ya_gateway/103-3111065-2579065 coords="155,0,256,21">
-<area shape="rect" href=/exec/obidos/tg/browse/-/508510/ref=top_nav_hp_gateway/103-3111065-2579065 coords="260,0,299,21">
-</map>
-<map name="gateway_nav_map">
-<area shape=rect coords="0,0,124,28" href=/exec/obidos/tg/stores/static/-/gateway/international-gateway/ref=gw_subnav_in/103-3111065-2579065>
-<area shape=rect coords="125,0,228,28" href=/exec/obidos/tg/new-for-you/top-sellers/-/main/ref=gw_subnav_ts/103-3111065-2579065>
-<area shape=rect coords="229,0,332,28" href=/exec/obidos/tg/browse/-/700060/ref=gw_subnav_target/103-3111065-2579065>
-<area shape=rect coords="333,0,450,28" href=/exec/obidos/tg/browse/-/909656/ref=stuffandsubnav_td1_/103-3111065-2579065>
-<area shape=rect coords="451,0,580,28" href=/exec/obidos/subst/misc/sell-your-stuff.html/ref=subnav_sys_/103-3111065-2579065>
-</map>
-<table border=0 width=100% cellspacing=0 cellpadding=0>
-<tr><td width=100%>
-<center>
-<table width=100% border=0 cellspacing=0 cellpadding=0 vspace=0>
-<tr>
-<td width=25% rowspan=2>&nbsp;</td>
-<td align=left valign=bottom><a href=/exec/obidos/subst/home/redirect.html/ref=nh_gateway/103-3111065-2579065><img src="http://g-images.amazon.com/images/G/01/associates/navbar2000/logo-no-border(1).gif" width=148 height=43 alt="" border=0></a></td>
-<td width=10%>&nbsp;</td>
-<td align=right>
-<img src="http://g-images.amazon.com/images/G/01/nav/personalized/cartwish/right-topnav-default-2.gif" width=300 height=22 alt="" USEMAP=#right_top_nav_map border=0></td>
-<td align=right rowspan=2 width=25%>
-&nbsp;
-</td>
-</tr>
-<tr valign=bottom>
-<td colspan=3 align=center>
-<table align=center border=0 cellpadding=0 cellspacing=0><tr valign=bottom>
-<td><a href=/exec/obidos/subst/home/home.html/ref%3Dtab%5Fgw%5Fgw%5F1/103-3111065-2579065><img src="http://g-images.amazon.com/images/G/01/nav/personalized/tabs/welcome-on-whole.gif" width=60 height=26 border=0></a></td>
-<td><a href=/exec/obidos/tg/stores/your/store-home/-/0/ref%3Dtab%5Fgw%5Ffr%5F2/103-3111065-2579065><img src="http://g-images.amazon.com/images/G/01/nav/personalized/tabs/yourstore-off-sliced._ZCSTUART%27S,0,2,0,0,verdenab,7,90,90,80_.gif" width=81 height=26 border=0></a></td>
-<td><a href=/exec/obidos/tg/browse/-/283155/ref%3Dtab%5Fgw%5Fb%5F3/103-3111065-2579065><img src="http://g-images.amazon.com/images/G/01/nav/personalized/tabs/books-off-sliced.gif" width=39 height=26 border=0></a></td>
-<td><a href=/exec/obidos/tg/browse/-/172282/ref%3Dtab%5Fgw%5Fe%5F4/103-3111065-2579065><img src="http://g-images.amazon.com/images/G/01/nav/personalized/tabs/electronics-off-sliced.gif" width=74 height=26 border=0></a></td>
-<td><a href=/exec/obidos/tg/browse/-/130/ref%3Dtab%5Fgw%5Fd%5F5/103-3111065-2579065><img src="http://g-images.amazon.com/images/G/01/nav/personalized/tabs/dvd-off-sliced.gif" width=35 height=26 border=0></a></td>
-<td><a href=/exec/obidos/tg/browse/-/171280/ref%3Dtab%5Fgw%5Ft%5F6/103-3111065-2579065><img src="http://g-images.amazon.com/images/G/01/nav/personalized/tabs/toys-off-sliced.gif" width=47 height=26 border=0></a></td>
-<td><a href=/exec/obidos/tg/browse/-/468642/ref%3Dtab%5Fgw%5Fvg%5F7/103-3111065-2579065><img src="http://g-images.amazon.com/images/G/01/nav/personalized/tabs/videogames-off-sliced.gif" width=73 height=26 border=0></a></td>
-<td><a href=/exec/obidos/tg/browse/-/600460/ref%3Dtab%5Fgw%5F%5F8/103-3111065-2579065><img src="http://g-images.amazon.com/images/G/01/nav/personalized/tabs/corporate-off-sliced.gif" width=70 height=26 border=0></a></td>
-<td><a href=/exec/obidos/subst/home/all-stores.html/ref%3Dtab_gw_storesdirectory/103-3111065-2579065><img src="http://g-images.amazon.com/images/G/01/nav/personalized/tabs/see-more-off-sliced.gif" width=70 height=26 border=0></a></td>
-</tr></table>
-</td>
-</tr>
-</table>
-</center>
-</td></tr>
-<tr align=center bgcolor=#006699>
-<td><img src="http://g-images.amazon.com/images/G/01/nav/amazon/gateway/blue/gateway-subnav-default.gif" width=580 height=28 width=580 height=28 alt="" USEMAP="#gateway_nav_map" border=0></td>
-</tr>
-<tr>
-<td bgcolor=#ffffdd align=center class=small>
-<font face=verdana,arial,helvetica size=-1>
-<font color="#CC6600"><B>Hello, Stuart D. Gathman.</B></font>
-We have <A href="http://www.amazon.com/exec/obidos/ilm-redirect/103-3111065-2579065?append-uid=no&path=http://www.amazon.com/exec/obidos/subst%2Frecs%2Finstant-recs-home.html%2Fref%3Dpd_ir_gw_r/ref=ilm_stripe_272005/103-3111065-2579065&message=272005,m1,26">recommendations</A> for you.
-</font><font face=verdana,arial,helvetica size=-2>
-(If you're not Stuart D. Gathman, <A href="http://www.amazon.com/exec/obidos/ilm-redirect/103-3111065-2579065?append-uid=no&path=http://www.amazon.com/exec/obidos/flex-sign-in%2Fref%3Dpd_ir_gw_r%2F%3Fopt%3Doa%26page%3Drecs%2Fsign-in-secure.html%26response%3Dtg%2Frecs%2Frecs-post-login-dispatch%2F-%2Frecs%2Fpd_rw_gw_r/ref=ilm_stripe_272005/103-3111065-2579065&message=272005,m1,26">click here</A>.)
-</font>
-</td>
-</tr>
-</table>
-
-<br>
-<table width=100% cellpadding=0 cellspacing=0 border=0>
-<tr valign=top>
-<td width=174>
-<TABLE border=0 cellspacing=0 cellpadding=0><TR valign=bottom align=center>
-<td><img src="http://g-images.amazon.com/images/G/01/v9/search-browse/search-gateway.gif" width=171 height=19 border=0 alt="Search Amazon.com"></td>
-</TR> <TR valign=top align=center><TD> <TABLE border=0 width= 171 cellpadding=1 cellspacing=0 bgcolor=#708090 ><TR> <TD width=100%><TABLE width=100% border=0 cellpadding=4 cellspacing=0 bgcolor=#708090><TR> <TD bgcolor=#FFCC66 valign=top width=100%>
-<form method="post" action="/exec/obidos/search-handle-form/103-3111065-2579065" name="searchform">
-<select name=index>
-<option value=blended selected>All Products
-<option value=books>Books
-<option value=music>Popular Music
-<option value=music-dd>Music Downloads
-<option value=classical>Classical Music
-<option value="dvd">DVD
-<option value="vhs">VHS
-<option value=theatrical>Movie Showtimes
-<option value=toys>Toys
-<option value=baby>Baby
-<option value=pc-hardware>Computers
-<option value=videogames>Video Games
-<option value=electronics>Electronics
-<option value=photo>Camera &amp; Photo
-<option value=software>Software
-<option value=tools>Tools &amp; Hardware
-<option value=magazines>Magazines
-<option value=garden>Outdoor Living
-<option value=kitchen>Kitchen
-<option value=travel>Travel
-<option value=wireless-phones>Cell Phones & Service
-<option value=outlet>Outlet
-<option value=auction-redirect>Auctions
-<option value=fixed-price-redirect>zShops
-</select>
-<input type="text" name="field-keywords" size="15">
-<input type="image" height="21" width="21" border=0 value="Go" name="Go" src="http://g-images.amazon.com/images/G/01/v9/search-browse/go-button-gateway.gif" align=absmiddle>
-</TD> </TR> </TABLE> </TD> </TR> </TABLE> </TD> </form>
-</TR> </TABLE> <br clear=left>
-<TABLE border=0 cellspacing=0 cellpadding=0>
-<TR valign=bottom align=center>
-<td><img src="http://g-images.amazon.com/images/G/01/v9/search-browse/browse-gateway.gif" width=171 height=19 border=0 alt="Browse Amazon.com"></td>
-</TR> <TR valign=top align=center>
-<TD> <TABLE border=0 width= 171 cellpadding=1 cellspacing=0 bgcolor=#708090 ><TR> <TD width=100%><TABLE width=100% border=0 cellpadding=4 cellspacing=0 bgcolor=#708090><TR> <TD bgcolor=#ffffff valign=top width=100%>
-<table cellpadding=3 cellspacing=0>
-<tr>
-<td class=small>&#149;&nbsp;<b><a href="/exec/obidos/tg/browse/-/283155/ref=gw_br_bo/103-3111065-2579065">Books</a></b></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<b><a href="/exec/obidos/tg/browse/-/172282/ref=gw_br_el/103-3111065-2579065">Electronics</a></b></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<b><a href="/exec/obidos/tg/browse/-/540744/ref=gw_br_ba/103-3111065-2579065">Baby &amp;</a><br>&nbsp; &nbsp;<a href="/exec/obidos/tg/browse/-/540744/ref=gw_br_ba/103-3111065-2579065">Baby Registry</a></b></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<b><a href="/exec/obidos/tg/browse/-/5174/ref=gw_br_mu/103-3111065-2579065">Music</a></b></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<b><a href="/exec/obidos/redirect-to-partner/ref=gw_br_dscm/103-3111065-2579065?name=dscm&aid=2&aparam=tb5270_bhp&trx=8056">Health & Beauty</a></b></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<b><a href="/exec/obidos/tg/browse/-/130/ref=gw_br_dvd/103-3111065-2579065">DVD</a></b></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<b><a href="/exec/obidos/tg/browse/-/229534/ref=gw_br_sw/103-3111065-2579065">Software</a></b></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<b><a href="/exec/obidos/tg/browse/-/284507/ref=gw_br_ki/103-3111065-2579065">Kitchen &amp;</a><br>&nbsp; &nbsp;<a href="/exec/obidos/tg/browse/-/284507/ref=gw_br_ki/103-3111065-2579065">Housewares</a></b></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<b><a href="/exec/obidos/tg/browse/-/228013/ref=gw_br_hi/103-3111065-2579065">Tools &amp;</a><br>&nbsp; &nbsp;<a href="/exec/obidos/tg/browse/-/228013/ref=gw_br_hi/103-3111065-2579065">Hardware</a></b></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<b><a href="/exec/obidos/tg/browse/-/541966/ref=gw_br_pc/103-3111065-2579065">Computers</a></b></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<b><a href="/exec/obidos/tg/browse/-/502394/ref=gw_br_p/103-3111065-2579065">Camera & Photo</a></b></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<b><a href="/exec/obidos/tg/browse/-/562436/ref=gw_br_th/103-3111065-2579065">Movie Showtimes</a></b></td>
-</tr>
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-<td class=small>&#149;&nbsp;<b><a href="/exec/obidos/tg/browse/-/468642/ref=gw_br_cvg/103-3111065-2579065">Computer &amp;</a><br>&nbsp; &nbsp;<a href="/exec/obidos/tg/browse/-/468642/ref=gw_br_cvg/103-3111065-2579065">Video Games</a></b></td>
-</tr> <tr>
-<td class=small>&#149;&nbsp;<b><a href="/exec/obidos/tg/browse/-/171280/ref=gw_br_tg/103-3111065-2579065">Toys &amp; Games</a></b></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<b><a href="/exec/obidos/tg/browse/-/301185/ref=gw_br_wi/103-3111065-2579065">Cell Phones</a><br>&nbsp;&nbsp;&nbsp;<a href="/exec/obidos/tg/browse/-/301185/ref=gw_br_wi/103-3111065-2579065">& Service</a></b></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<b><a href="/exec/obidos/tg/browse/-/404272/ref=gw_br_vi/103-3111065-2579065">Video</a></b></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<b><a href="/exec/obidos/tg/browse/-/599858/ref=gw_br_zi/103-3111065-2579065">Magazine</a><br>&nbsp; &nbsp;<a href="/exec/obidos/tg/browse/-/599858/ref=gw_br_zi/103-3111065-2579065">Subscriptions</a></b></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<b><a href="/exec/obidos/tg/browse/-/286168/ref=gw_br_lp/103-3111065-2579065">Outdoor Living</a></b></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<b><a href="/exec/obidos/tg/browse/-/605012/ref=gw_br_tr/103-3111065-2579065">Travel</a></b></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<b><a href="/exec/obidos/acn-redirect-to-partner/ref=gw_br_cars/103-3111065-2579065?partner-name=carsdirect&partner-url=home%3Fpartner%3Damzn%26customerid%3Dbrowse">Cars</a></b></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<b><a href="/exec/obidos/tg/browse/-/229220/ref=gw_br_gi/103-3111065-2579065">Gifts &amp;</a><br>&nbsp; &nbsp;<a href="/exec/obidos/tg/browse/-/229220/ref=gw_br_gi/103-3111065-2579065">Gift Certificates</a></b></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<b><a href="http://s1.amazon.com/exec/varzea/subst/home/home.html/ref=gw_br_au/103-3111065-2579065">Auctions</a></b></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<b><a href="http://s1.amazon.com/exec/varzea/subst/home/fixed.html/ref=gw_br_zs/103-3111065-2579065">zShops</a></b></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<b><a href="/exec/obidos/tg/browse/-/517808/ref=gw_br_ou/103-3111065-2579065">Outlet</a></b></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<b><a href="/exec/obidos/tg/browse/-/600460/ref=gw_br_cb/103-3111065-2579065">Corporate</a> <br>&nbsp; &nbsp;<a href="/exec/obidos/tg/browse/-/600460/ref=gw_br_cb/103-3111065-2579065">Accounts</a></b></td>
-</tr>
-<tr>
-<td class=small>
-<a href="/exec/obidos/flex-sign-in/ref=pd_fr_gw_fav_edt/103-3111065-2579065?page=personalization/favorites/favorites-sign-in-secure.html&response=favorites-edit/personalization/favorites/edit-areas.html&pass_through=product-group-id.gateway.hp&method=GET">
-<img src="http://g-images.amazon.com/images/G/01/buttons/edit-favorites.gif" width=69 height=15 border=0 valign=top vspace=2></a><br>
-</td>
-</tr>
-<tr>
-<td class=small><b>Browse Partners</b></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<a href="/exec/obidos/tg/browse/-/700060/ref=gw_tarb_/103-3111065-2579065"><img src="http://g-images.amazon.com/images/G/01/target/target-logo-sm.gif" width=71 height=17 border=0 alt=Target></a></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<a href="/exec/obidos/tg/browse/-/171280/ref=gw_trub_/103-3111065-2579065"><img src="http://g-images.amazon.com/images/G/01/toys/navigation/tru-logo.gif" width=117 height=14 border=0 alt=Toysrus.com></a></td>
-</tr>
-<tr>
-<td class=small>&#149;&nbsp;<a href="/exec/obidos/tg/browse/-/540744/ref=gw_brub_/103-3111065-2579065"><img src="http://g-images.amazon.com/images/G/01/toys/navigation/bru-logo.gif" width=136 height=15 border=0 alt=Babiesrus.com></a></td>
-</tr>
-</table>
-</TD> </TR> </TABLE> </TD> </TR> </TABLE> </TD>
-</TR>
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-<font face=verdana,arial,helvetica color=#000000 size=-1><b>Special Features</b></font><br>
-<font face=verdana,arial,helvetica size=-1>
-<ul><li> <A href="/exec/obidos/subst/alerts/signup.html/ref=gw_hp_ls_1_1/103-3111065-2579065">Alerts</A><li> <A href="/exec/obidos/subst/misc/anywhere/anywhere.html/ref=gw_hp_ls_1_2/103-3111065-2579065">Amazon.com
-Anywhere</A><li> <A href="/exec/obidos/subst/misc/amazon-credit/marketing-page.html/ref=gw_hp_ls_1_3/103-3111065-2579065">Amazon Credit Account</A><li> <A href="/exec/obidos/subst/delivers/delivers-signup-combo.html/ref=gw_hp_ls_1_4/103-3111065-2579065">Delivers</A><li><A href="/exec/obidos/tg/browse/-/225840/ref=gw_hp_ls_1_5/103-3111065-2579065">Free e-Cards</A><li><A href="/exec/obidos/subst/community/community-home.html/ref=gw_hp_ls_1_6/103-3111065-2579065">Friends &amp; Favorites</A><li> <A href="/exec/obidos/subst/gifts/gift-services/gift-certificates.html/ref=gw_hp_ls_1_7/103-3111065-2579065">Gift
-Certificates</A><li> <A href="http://auctions.amazon.com/exec/varzea/subst/fx/home.html/ref=gw_hp_ls_1_8/103-3111065-2579065">Honor
-System</A><li> <A href="/exec/obidos/subst/community/community.html/ref=gw_hp_ls_1_9/103-3111065-2579065">Purchase
-Circles</A><li>
-<A href="/exec/obidos/tg/browse/-/885446/ref=gw_hp_ls_1_10/103-3111065-2579065">Wedding
-Registry</A></ul>
-</font>
-</TD> </TR> </TABLE> </TD> </TR> </TABLE> <br>
-<TABLE border=0 width=171 cellpadding=1 cellspacing=0 bgcolor=#708090 ><TR> <TD width=100%><TABLE width=100% border=0 cellpadding=4 cellspacing=0 bgcolor=#708090><TR> <TD bgcolor=#ffffff valign=top width=100%>
-<font face=verdana,arial,helvetica color=#000000 size=-1><b>Associates</b></font><br>
-<font face=verdana,arial,helvetica size=-1>
-Sell books, music, videos, and more from your
-Web site. <A href="/exec/obidos/subst/associates/join/associates.html/ref=gw_hp_ls_2_1/103-3111065-2579065">Start earning
-today</A>!<BR>
-</font>
-</TD> </TR> </TABLE> </TD> </TR> </TABLE> <br>
-<p>
-<br clear=all>
-</td>
-<td>&nbsp;</td>
-<td>
-<center>
-</center>
-<br clear=all><p>
-<A href="http://www.amazon.com/exec/obidos/ilm-redirect/103-3111065-2579065?append-uid=no&path=http://www.amazon.com/exec/obidos/tg/browse/-/283155/ref=ilm_rc_285799/103-3111065-2579065&message=285799,m1,27">
-<center><img src="http://g-images.amazon.com/images/G/01/books/homepage-pricing/books-home-pricing-iii.gif" width=257 height=99 border=0></center>
-</A>
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-<A href="http://www.amazon.com/exec/obidos/ilm-redirect/103-3111065-2579065?append-uid=no&path=http://www.amazon.com/exec/obidos/tg/browse/-/753570/ref=ilm_rc_283024/103-3111065-2579065&message=283024,gw_lr_dvd_lor,28"><img src="http://g-images.amazon.com/images/G/01/icons/thumbnails/b00003cwt6_thumb.gif" width=41 height=60 border=0 valign=top align=left></A>
-Pre-order the Oscar&#174;-winning blockbuster <A href="http://www.amazon.com/exec/obidos/ilm-redirect/103-3111065-2579065?append-uid=no&path=http://www.amazon.com/exec/obidos/tg/browse/-/753570/ref=ilm_rc_283024/103-3111065-2579065&message=283024,gw_lr_dvd_lor,28"><I>The Lord of the Rings: The Fellowship of the Ring</I></A>, arriving on <A href="http://www.amazon.com/exec/obidos/ilm-redirect/103-3111065-2579065?append-uid=no&path=http://www.amazon.com/exec/obidos/ASIN/B00003CWT6/ref=ilm_rc_283024/103-3111065-2579065&message=283024,gw_lr_dvd_lor,28">DVD</A> and <A href="http://www.amazon.com/exec/obidos/ilm-redirect/103-3111065-2579065?append-uid=no&path=http://www.amazon.com/exec/obidos/ASIN/B000065U6Q/ref=ilm_rc_283024/103-3111065-2579065&message=283024,gw_lr_dvd_lor,28">video</A> August 6.
-<br clear=all><br>
-<b class=small><A href="/exec/obidos/tg/browse/-/229220/ref=gw_hp_cs_1_1/103-3111065-2579065">In Gifts</A></b><br>
-<A href="/exec/obidos/tg/browse/-/229220/ref=gw_hp_cs_2_1/103-3111065-2579065"><img src="http://g-images.amazon.com/images/G/01/marketing/mothers_day/md_sd_roto.jpg" width=100 height=95 border=0 align=left hspace=4></A>
-<b><font face=verdana,arial,helvetica color=#CC6600>Mother's Day Is May 12</font></b><br>
-We've made it fun and easy to buy the perfect
-present for Mom. Shop by <A href="/exec/obidos/tg/stores/recs/gift-wizard-refine/-/holiday/ref=gw_hp_cs_2_2/103-3111065-2579065">recipient</A>
-or <A href="/exec/obidos/tg/stores/recs/gift-wizard/-/price/ref=gw_hp_cs_2_3/103-3111065-2579065">price</A>,
-browse <A href="/exec/obidos/tg/stores/recs/gift-wizard/-/topsellers/ref=gw_hp_cs_2_4/103-3111065-2579065">top
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-Visit <A href="/exec/obidos/tg/browse/-/229220/ref=gw_hp_cs_2_5/103-3111065-2579065">Gifts</A> for
-these and more great ideas for expressing your love and
-appreciation.<BR>
-&nbsp;<br clear=left>
-<br clear=all>
-<a href=/exec/obidos/instant-recs/recs/instant-recs-home.html/ref=pd_gw_qpt_h/103-3111065-2579065><b class=small>Your Recommendations</b></a>
-<br> <b class=h1>
-<i>War in Heaven</i>
-</b>
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-<b>Amazon.com</b><br>
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-<br>
-<p>
-<font face=verdana,arial,helvetica size=-1><a href=/exec/obidos/tg/stores/your/favorites/-/music/ref=pd_fr_gw_nr_h/103-3111065-2579065><b>Your Music Store</b></a></font><br>
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-Great African American gospel music has an indisputable power, rooted in the audible faith of its performers and the beauty of their voices. As the bass singer of the <a href="/exec/obidos/tg/stores/artist/glance/-/73920/103-3111065-2579065">Fairfield Four</a>, an a cappella group that started more than a half century ago,...
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-</td></tr>
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-<b>VHS</b> ~ George Clooney
-</td></tr>
-</table>
-<p>
-<b><font face=verdana,arial,helvetica color=#CC6600>Listmania!</font></b><br>
-<font face=verdana,arial,helvetica size=-2>
-(<a href=/exec/obidos/tg/browse/-/542566/103-3111065-2579065>What is this?</a>)
-</font><br>
-<table width=100% border=0 cellpadding=5 cellspacing=0>
-<tr valign=top>
-<td width=50% class=small>
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-</td>
-<td width=50% class=small>
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-<p>
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-<a href=/exec/obidos/tg/listmania/list-browse/-/2B0DIAPG2D3RT/ref=pd_gw_lmq_2/103-3111065-2579065><b>Networking</b></a>:&nbsp;A list by <a href=/exec/obidos/tg/cm/member-fil/-/AJINE650CAMUQ/ref=pd_gw_lmq_n2/103-3111065-2579065>gakis</a>, Engineer<br>
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-</td>
-</tr>
-<tr>
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-<li><a href=/exec/obidos/tg/listmania/list-browse/-/IEF1DNVKZO8B/ref=pd_gw_lmq_3/103-3111065-2579065>My Coder Library</a>:&nbsp;A list by <a href=/exec/obidos/tg/cm/member-fil/-/A3RK9LZQKL2YIN/ref=pd_gw_lmq_n3/103-3111065-2579065>John Washam</a><br> <li><a href=/exec/obidos/tg/listmania/list-browse/-/LE6A7H4L7VZK/ref=pd_gw_lmq_4/103-3111065-2579065>ALL THE FANTASY YOU'LL EVER NE</a>:&nbsp;A list by <a href=/exec/obidos/tg/cm/member-fil/-/A3628L43ZVEMP5/ref=pd_gw_lmq_n4/103-3111065-2579065>aramis</a><br> <li><a href=/exec/obidos/tg/listmania/list-browse/-/1MD5H6RUOIMIU/ref=pd_gw_lmq_5/103-3111065-2579065>Mythopoeic Fantasy</a>:&nbsp;A list by <a href=/exec/obidos/tg/cm/member-fil/-/A7CSNW9E46NR5/ref=pd_gw_lmq_n5/103-3111065-2579065>Vera Nazarian</a><br> </ul></td></tr></table>
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-<a href="http://s1.amazon.com/exec/varzea/subst/fx/home.html/ref=gw_bt_hs/103-3111065-2579065">Join Honor System</a>
-</center>
-<center>
-<p>
-<div class="tiny" align=center>
-<A HREF="/exec/obidos/subst/misc/policy/conditions-of-use.html/103-3111065-2579065">Conditions of Use</A> | <A HREF="/exec/obidos/tg/browse/-/468496/103-3111065-2579065">Privacy Notice</A> &copy; 1996-2002, Amazon.com, Inc. or its affiliates
-</div>
-</center>
-<!-- whfhYn47qD1fv3PW2R8XWAkFcMwteHFKxorD -->
-</body>
-</html>
-
--------------59A46341C90BA737DD47867B--
-
@@ -1,304 +0,0 @@
-import unittest
-import doctest
-import Milter
-import bms
-import mime
-import rfc822
-import StringIO
-import email
-import sys
-#import pdb
-
-class TestMilter(bms.bmsMilter):
-
-  def __init__(self):
-    bms.bmsMilter.__init__(self)
-    self.logfp = open("test/milter.log","a")
-    self._delrcpt = []	# record deleted rcpts for testing
-    self._addrcpt = []	# record added rcpts for testing
-
-  def log(self,*msg):
-    for i in msg: print >>self.logfp, i,
-    print >>self.logfp
-
-  def getsymval(self,name):
-    if name == 'j': return 'test.milter.org'
-    return ''
-
-  def replacebody(self,chunk):
-    if self._body:
-      self._body.write(chunk)
-      self.bodyreplaced = True
-    else:
-      raise IOError,"replacebody not called from eom()"
-
-  # FIXME: rfc822 indexing does not really reflect the way chg/add header
-  # work for a milter
-  def chgheader(self,field,idx,value):
-    if not self._body:
-      raise IOError,"chgheader not called from eom()"
-    self.log('chgheader: %s[%d]=%s' % (field,idx,value))
-    if value == '':
-      del self._msg[field]
-    else:
-      self._msg[field] = value
-    self.headerschanged = True
-
-  def addheader(self,field,value):
-    if not self._body:
-      raise IOError,"addheader not called from eom()"
-    self.log('addheader: %s=%s' % (field,value))
-    self._msg[field] = value
-    self.headerschanged = True
-
-  def delrcpt(self,rcpt):
-    if not self._body:
-      raise IOError,"delrcpt not called from eom()"
-    self._delrcpt.append(rcpt)
-
-  def addrcpt(self,rcpt):
-    if not self._body:
-      raise IOError,"addrcpt not called from eom()"
-    self._addrcpt.append(rcpt)
-
-  def setreply(self,rcode,xcode,msg):
-    self.reply = (rcode,xcode,msg)
-
-  def feedFile(self,fp,sender="spam@adv.com",rcpt="victim@lamb.com"):
-    self._body = None
-    self.bodyreplaced = False
-    self.headerschanged = False
-    self.reply = None
-    msg = rfc822.Message(fp)
-    rc = self.envfrom('<%s>'%sender)
-    if rc != Milter.CONTINUE: return rc
-    rc = self.envrcpt('<%s>'%rcpt)
-    if rc != Milter.CONTINUE: return rc
-    line = None
-    for h in msg.headers:
-      if h[:1].isspace():
-	line = line + h
-	continue
-      if not line:
-	line = h
-	continue
-      s = line.split(': ',1)
-      if len(s) > 1: val = s[1].strip()
-      else: val = ''
-      rc = self.header(s[0],val)
-      if rc != Milter.CONTINUE: return rc
-      line = h
-    if line:
-      s = line.split(': ',1)
-      rc = self.header(s[0],s[1])
-      if rc != Milter.CONTINUE: return rc
-    rc = self.eoh()
-    if rc != Milter.CONTINUE: return rc
-    while 1:
-      buf = fp.read(8192)
-      if len(buf) == 0: break
-      rc = self.body(buf)
-      if rc != Milter.CONTINUE: return rc
-    self._msg = msg
-    self._body = StringIO.StringIO()
-    rc = self.eom()
-    if self.bodyreplaced:
-      body = self._body.getvalue()
-    else:
-      msg.rewindbody()
-      body = msg.fp.read()
-    self._body = StringIO.StringIO()
-    self._body.writelines(msg.headers)
-    self._body.write('\n')
-    self._body.write(body)
-    return rc
-
-  def feedMsg(self,fname,sender="spam@adv.com",rcpt="victim@lamb.com"):
-    fp = open('test/'+fname,'r')
-    rc = self.feedFile(fp,sender,rcpt)
-    fp.close()
-    return rc
-
-  def connect(self,host='localhost'):
-    self._body = None
-    self.bodyreplaced = False
-    rc =  bms.bmsMilter.connect(self,host,1,('1.2.3.4',1234)) 
-    if rc != Milter.CONTINUE and rc != Milter.ACCEPT:
-      self.close()
-      return rc
-    rc = self.hello('spamrelay')
-    if rc != Milter.CONTINUE:
-      self.close()
-    return rc
-
-class BMSMilterTestCase(unittest.TestCase):
-
-  def testDefang(self,fname='virus1'):
-    milter = TestMilter()
-    rc = milter.connect('testDefang')
-    self.assertEqual(rc,Milter.CONTINUE)
-    rc = milter.feedMsg(fname)
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failUnless(milter.bodyreplaced,"Message body not replaced")
-    fp = milter._body
-    open('test/'+fname+".tstout","w").write(fp.getvalue())
-    #self.failUnless(fp.getvalue() == open("test/virus1.out","r").read())
-    fp.seek(0)
-    msg = mime.message_from_file(fp)
-    str = msg.get_payload(1).get_payload()
-    milter.log(str)
-    milter.close()
-
-  # test some spams that crashed our parser
-  def testParse(self,fname='spam7'):
-    milter = TestMilter()
-    milter.connect('testParse')
-    rc = milter.feedMsg(fname)
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failIf(milter.bodyreplaced,"Milter needlessly replaced body.")
-    fp = milter._body
-    open('test/'+fname+".tstout","w").write(fp.getvalue())
-    milter.connect('pro-send.com')
-    rc = milter.feedMsg('spam8')
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failIf(milter.bodyreplaced,"Milter needlessly replaced body.")
-    rc = milter.feedMsg('bounce')
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failIf(milter.bodyreplaced,"Milter needlessly replaced body.")
-    rc = milter.feedMsg('bounce1')
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failIf(milter.bodyreplaced,"Milter needlessly replaced body.")
-    milter.close()
-
-  def testDefang2(self):
-    milter = TestMilter()
-    milter.connect('testDefang2')
-    rc = milter.feedMsg('samp1')
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failIf(milter.bodyreplaced,"Milter needlessly replaced body.")
-    rc = milter.feedMsg("virus3")
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failUnless(milter.bodyreplaced,"Message body not replaced")
-    fp = milter._body
-    open("test/virus3.tstout","w").write(fp.getvalue())
-    #self.failUnless(fp.getvalue() == open("test/virus3.out","r").read())
-    rc = milter.feedMsg("virus6")
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failUnless(milter.bodyreplaced,"Message body not replaced")
-    self.failUnless(milter.headerschanged,"Message headers not adjusted")
-    fp = milter._body
-    open("test/virus6.tstout","w").write(fp.getvalue())
-    milter.close()
-
-  def testDefang3(self):
-    milter = TestMilter()
-    milter.connect('testDefang3')
-    # test script removal on complex HTML attachment
-    rc = milter.feedMsg('amazon')
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failUnless(milter.bodyreplaced,"Message body not replaced")
-    fp = milter._body
-    open("test/amazon.tstout","w").write(fp.getvalue())
-    # test defanging Klez virus
-    rc = milter.feedMsg("virus13")
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failUnless(milter.bodyreplaced,"Message body not replaced")
-    fp = milter._body
-    open("test/virus13.tstout","w").write(fp.getvalue())
-    # test script removal on quoted-printable HTML attachment
-    # sgmllib can't handle the <![if cond]> syntax
-    rc = milter.feedMsg('spam44')
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failIf(milter.bodyreplaced,"Message body replaced")
-    fp = milter._body
-    open("test/spam44.tstout","w").write(fp.getvalue())
-    milter.close()
- 
-  def testRFC822(self):
-    milter = TestMilter()
-    milter.connect('testRFC822')
-    # test encoded rfc822 attachment
-    #pdb.set_trace()
-    rc = milter.feedMsg('test8')
-    self.assertEqual(rc,Milter.ACCEPT)
-    # python2.4 doesn't scan encoded message attachments
-    if sys.hexversion < 0x02040000:
-      self.failUnless(milter.bodyreplaced,"Message body not replaced")
-    #self.failIf(milter.bodyreplaced,"Message body replaced")
-    fp = milter._body
-    open("test/test8.tstout","w").write(fp.getvalue())
-    rc = milter.feedMsg('virus7')
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failUnless(milter.bodyreplaced,"Message body not replaced")
-    #self.failIf(milter.bodyreplaced,"Message body replaced")
-    fp = milter._body
-    open("test/virus7.tstout","w").write(fp.getvalue())
-
-  def testSmartAlias(self):
-    milter = TestMilter()
-    milter.connect('testSmartAlias')
-    # test smart alias feature
-    key = ('foo@bar.com','baz@bat.com')
-    bms.smart_alias[key] = ['ham@eggs.com']
-    rc = milter.feedMsg('test8',key[0],key[1])
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failUnless(milter._delrcpt == ['<baz@bat.com>'])
-    self.failUnless(milter._addrcpt == ['<ham@eggs.com>'])
-    # python2.4 email does not decode message attachments, so script
-    # is not replaced
-    if sys.hexversion < 0x02040000:
-      self.failUnless(milter.bodyreplaced,"Message body not replaced")
-
-  def testBadBoundary(self):
-    milter = TestMilter()
-    milter.connect('testBadBoundary')
-    # test rfc822 attachment with invalid boundaries
-    #pdb.set_trace()
-    rc = milter.feedMsg('bound')
-    if sys.hexversion < 0x02040000:
-      # python2.4 adds invalid boundaries to decects list and makes
-      # payload a str
-      self.assertEqual(rc,Milter.REJECT)
-      self.assertEqual(milter.reply[0],'554')
-    #self.failUnless(milter.bodyreplaced,"Message body not replaced")
-    self.failIf(milter.bodyreplaced,"Message body replaced")
-    fp = milter._body
-    open("test/bound.tstout","w").write(fp.getvalue())
-
-  def testCompoundFilename(self):
-    milter = TestMilter()
-    milter.connect('testCompoundFilename')
-    # test rfc822 attachment with invalid boundaries
-    #pdb.set_trace()
-    rc = milter.feedMsg('test1')
-    self.assertEqual(rc,Milter.ACCEPT)
-    #self.failUnless(milter.bodyreplaced,"Message body not replaced")
-    self.failIf(milter.bodyreplaced,"Message body replaced")
-    fp = milter._body
-    open("test/test1.tstout","w").write(fp.getvalue())
-
-#  def testReject(self):
-#    "Test content based spam rejection."
-#    milter = TestMilter()
-#    milter.connect('gogo-china.com')
-#    rc = milter.feedMsg('big5');
-#    self.failUnless(rc == Milter.REJECT)
-#    milter.close();
-
-def suite(): 
-  s = unittest.makeSuite(BMSMilterTestCase,'test')
-  s.addTest(doctest.DocTestSuite(bms))
-  return s
-
-if __name__ == '__main__':
-  if len(sys.argv) > 1:
-    for fname in sys.argv[1:]:
-      milter = TestMilter()
-      milter.connect('main')
-      fp = open(fname,'r')
-      rc = milter.feedFile(fp)
-      fp = milter._body
-      sys.stdout.write(fp.getvalue())
-  else:
-    #unittest.main()
-    unittest.TextTestRunner().run(suite())
@@ -0,0 +1,55 @@
+import unittest
+import doctest
+import os
+#from Milter.greylist import Greylist
+from Milter.greysql import Greylist
+
+class GreylistTestCase(unittest.TestCase):
+
+  def setUp(self):
+    self.fname = 'test.db'
+    os.remove(self.fname)
+
+  def tearDown(self):
+    #os.remove(self.fname)
+    pass
+
+  def testGrey(self):
+    grey = Greylist(self.fname)
+    # first time
+    rc = grey.check('1.2.3.4','foo@bar.com','baz@spat.com')
+    self.assertEqual(rc,0)
+    # not in window yet
+    rc = grey.check('1.2.3.4','foo@bar.com','baz@spat.com',timeinc=5*60)
+    self.assertEqual(rc,0)
+    # within window
+    rc = grey.check('1.2.3.4','foo@bar.com','baz@spat.com',timeinc=15*60)
+    self.assertEqual(rc,1)
+    # new triple
+    rc = grey.check('1.2.3.5','foo@bar.com','baz@spat.com',timeinc=15*60)
+    self.assertEqual(rc,0)
+    # seen again
+    rc = grey.check('1.2.3.4','foo@bar.com','baz@spat.com',timeinc=5*3600)
+    self.assertEqual(rc,2)
+    # new one past expire
+    rc = grey.check('1.2.3.5','foo@bar.com','baz@spat.com',timeinc=6*3600)
+    self.assertEqual(rc,0)
+    # original past retain 
+    rc = grey.check('1.2.3.4','foo@bar.com','baz@spat.com',timeinc=37*24*3600)
+    self.assertEqual(rc,0)
+    # new one for testing expire
+    rc = grey.check('1.2.3.5','flub@bar.com','baz@spat.com',timeinc=20*24*3600)
+    self.assertEqual(rc,0)
+    grey.close()
+    # test cleanup
+    grey = Greylist(self.fname)
+    rc = grey.clean(timeinc=37*24*3600)
+    self.assertEqual(rc,1)
+    grey.close()
+
+def suite(): 
+  s = unittest.makeSuite(GreylistTestCase,'test')
+  return s
+
+if __name__ == '__main__':
+  unittest.TextTestRunner().run(suite())
@@ -1,4 +1,10 @@
 # $Log$
+# Revision 1.5  2011/06/09 17:27:42  customdesigned
+# Documentation updates.
+#
+# Revision 1.4  2005/07/20 14:49:44  customdesigned
+# Handle corrupt and empty ZIP files.
+#
 # Revision 1.3  2005/06/17 01:49:39  customdesigned
 # Handle zip within zip.
 #
@@ -26,6 +32,7 @@ import socket
 import StringIO
 import email
 import sys
+import Milter
 from email import Errors

 samp1_txt1 = """Dear Agent 1
@@ -146,6 +153,31 @@ class MimeTestCase(unittest.TestCase):
    # test zip within zip
    self.testDefang('ziploop',1,'stuart@bmsi.com.zip')

+  def _chk_name(self,name):
+    self.filename = name
+
+  def _chk_attach(self,msg):
+    "Filter attachments by content."
+    # check for bad extensions
+    mime.check_name(msg,ckname=self._chk_name,scan_zip=True)
+    # remove scripts from HTML
+    mime.check_html(msg)
+    # don't let a tricky virus slip one past us
+    msg = msg.get_submsg()
+    if isinstance(msg,email.Message.Message):
+      return mime.check_attachments(msg,self._chk_attach)
+    return Milter.CONTINUE
+
+  def testCheckAttach(self,fname="test1"):
+    # test1 contains a very long filename
+    msg = mime.message_from_file(open('test/'+fname,'r'))
+    mime.defang(msg,scan_zip=True)
+    self.failIf(msg.ismodified())
+    msg = mime.message_from_file(open('test/test2','r'))
+    rc = mime.check_attachments(msg,self._chk_attach)
+    self.assertEquals(self.filename,"7501'S FOR TWO GOLDEN SOURCES SHIPMENTS FOR TAX & DUTY PURPOSES ONLY.PDF")
+    self.assertEquals(rc,Milter.CONTINUE)
+
  def testHTML(self,fname=""):
    result = StringIO.StringIO()
    filter = mime.HTMLScriptFilter(result)
@@ -4,96 +4,12 @@ import sample
 import mime
 import rfc822
 import StringIO
+from Milter.test import TestBase

-class TestMilter(sample.sampleMilter):
-
+class TestMilter(TestBase,sample.sampleMilter):
  def __init__(self):
-    self.logfp = open("test/milter.log","a")
-
-  def log(self,*msg):
-    for i in msg: print >>self.logfp, i,
-    print >>self.logfp
-
-  def replacebody(self,chunk):
-    if self._body:
-      self._body.write(chunk)
-      self.bodyreplaced = True
-    else:
-      raise IOError,"replacebody not called from eom()"
-
-  # FIXME: rfc822 indexing does not really reflect the way chg/add header
-  # work for a milter
-  def chgheader(self,field,idx,value):
-    self.log('chgheader: %s[%d]=%s' % (field,idx,value))
-    if value == '':
-      del self._msg[field]
-    else:
-      self._msg[field] = value
-    self.headerschanged = True
-
-  def addheader(self,field,value):
-    self.log('addheader: %s=%s' % (field,value))
-    self._msg[field] = value
-    self.headerschanged = True
-
-  def feedMsg(self,fname):
-    self._body = None
-    self.bodyreplaced = False
-    self.headerschanged = 0
-    fp = open('test/'+fname,'r')
-    msg = rfc822.Message(fp)
-    rc = self.envfrom('<spam@advertisements.com>')
-    if rc != Milter.CONTINUE: return rc
-    rc = self.envrcpt('<victim@lamb.com>')
-    if rc != Milter.CONTINUE: return rc
-    line = None
-    for h in msg.headers:
-      if h[:1].isspace():
-	line = line + h
-	continue
-      if not line:
-	line = h
-	continue
-      s = line.split(': ',1)
-      rc = self.header(s[0],s[1].strip())
-      if rc != Milter.CONTINUE: return rc
-      line = h
-    if line:
-      s = line.split(': ',1)
-      rc = self.header(s[0],s[1])
-      if rc != Milter.CONTINUE: return rc
-    rc = self.eoh()
-    if rc != Milter.CONTINUE: return rc
-    while 1:
-      buf = fp.read(8192)
-      if len(buf) == 0: break
-      rc = self.body(buf)
-      if rc != Milter.CONTINUE: return rc
-    self._msg = msg
-    self._body = StringIO.StringIO()
-    rc = self.eom()
-    if self.bodyreplaced:
-      body = self._body.getvalue()
-    else:
-      msg.rewindbody()
-      body = msg.fp.read()
-    self._body = StringIO.StringIO()
-    self._body.writelines(msg.headers)
-    self._body.write('\n')
-    self._body.write(body)
-    return rc
-
-  def connect(self,host='localhost'):
-    self._body = None
-    self.bodyreplaced = False
-    rc =  sample.sampleMilter.connect(self,host,1,0) 
-    if rc != Milter.CONTINUE and rc != Milter.ACCEPT:
-      self.close()
-      return rc
-    rc = self.hello('spamrelay')
-    if rc != Milter.CONTINUE:
-      self.close()
-    return rc
+    TestBase.__init__(self)
+    sample.sampleMilter.__init__(self)

 class BMSMilterTestCase(unittest.TestCase):

@@ -103,7 +19,7 @@ class BMSMilterTestCase(unittest.TestCase):
    self.failUnless(rc == Milter.CONTINUE)
    rc = milter.feedMsg(fname)
    self.failUnless(rc == Milter.ACCEPT)
-    self.failUnless(milter.bodyreplaced,"Message body not replaced")
+    self.failUnless(milter._bodyreplaced,"Message body not replaced")
    fp = milter._body
    open('test/'+fname+".tstout","w").write(fp.getvalue())
    #self.failUnless(fp.getvalue() == open("test/virus1.out","r").read())
@@ -118,7 +34,7 @@ class BMSMilterTestCase(unittest.TestCase):
    milter.connect('somehost')
    rc = milter.feedMsg(fname)
    self.failUnless(rc == Milter.ACCEPT)
-    self.failIf(milter.bodyreplaced,"Milter needlessly replaced body.")
+    self.failIf(milter._bodyreplaced,"Milter needlessly replaced body.")
    fp = milter._body
    open('test/'+fname+".tstout","w").write(fp.getvalue())
    milter.close()
@@ -128,17 +44,17 @@ class BMSMilterTestCase(unittest.TestCase):
    milter.connect('somehost')
    rc = milter.feedMsg('samp1')
    self.failUnless(rc == Milter.ACCEPT)
-    self.failIf(milter.bodyreplaced,"Milter needlessly replaced body.")
+    self.failIf(milter._bodyreplaced,"Milter needlessly replaced body.")
    rc = milter.feedMsg("virus3")
    self.failUnless(rc == Milter.ACCEPT)
-    self.failUnless(milter.bodyreplaced,"Message body not replaced")
+    self.failUnless(milter._bodyreplaced,"Message body not replaced")
    fp = milter._body
    open("test/virus3.tstout","w").write(fp.getvalue())
    #self.failUnless(fp.getvalue() == open("test/virus3.out","r").read())
    rc = milter.feedMsg("virus6")
    self.failUnless(rc == Milter.ACCEPT)
-    self.failUnless(milter.bodyreplaced,"Message body not replaced")
-    self.failUnless(milter.headerschanged,"Message headers not adjusted")
+    self.failUnless(milter._bodyreplaced,"Message body not replaced")
+    self.failUnless(milter._headerschanged,"Message headers not adjusted")
    fp = milter._body
    open("test/virus6.tstout","w").write(fp.getvalue())
    milter.close()
@@ -0,0 +1,48 @@
+import unittest
+import doctest
+import os
+import Milter.utils
+from Milter.cache import AddrCache
+from Milter.dynip import is_dynip
+
+class AddrCacheTestCase(unittest.TestCase):
+
+  def setUp(self):
+    self.fname = 'test.dat'
+
+  def tearDown(self):
+    os.remove(self.fname)
+
+  def testAdd(self):
+    cache = AddrCache(fname=self.fname)
+    cache['foo@bar.com'] = None
+    cache.addperm('baz@bar.com')
+    cache['temp@bar.com'] = 'testing'
+    self.failUnless(cache.has_key('foo@bar.com'))
+    self.failUnless(not cache.has_key('hello@bar.com'))
+    self.failUnless('baz@bar.com' in cache)
+    self.assertEquals(cache['temp@bar.com'],'testing')
+    s = open(self.fname).readlines()
+    self.failUnless(len(s) == 2)
+    self.failUnless(s[0].startswith('foo@bar.com '))
+    self.assertEquals(s[1].strip(),'baz@bar.com')
+    # check that new result overrides old
+    cache['temp@bar.com'] = None
+    self.failUnless(not cache['temp@bar.com'])
+
+  def testDomain(self):
+    fp = open(self.fname,'w')
+    print >>fp,'spammer.com'
+    fp.close()
+    cache = AddrCache(fname=self.fname)
+    cache.load(self.fname,30)
+    self.failUnless('spammer.com' in cache)
+
+def suite(): 
+  s = unittest.makeSuite(AddrCacheTestCase,'test')
+  s.addTest(doctest.DocTestSuite(Milter.utils))
+  s.addTest(doctest.DocTestSuite(Milter.dynip))
+  return s
+
+if __name__ == '__main__':
+  unittest.TextTestRunner().run(suite())