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@@ -1,8 +1,8 @@
|
|||||||
GNU GENERAL PUBLIC LICENSE
|
GNU GENERAL PUBLIC LICENSE
|
||||||
Version 2, June 1991
|
Version 2, June 1991
|
||||||
|
|
||||||
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
|
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
|
||||||
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||||
Everyone is permitted to copy and distribute verbatim copies
|
Everyone is permitted to copy and distribute verbatim copies
|
||||||
of this license document, but changing it is not allowed.
|
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
|
General Public License applies to most of the Free Software
|
||||||
Foundation's software and to any other program whose authors commit to
|
Foundation's software and to any other program whose authors commit to
|
||||||
using it. (Some other Free Software Foundation software is covered by
|
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.
|
your programs, too.
|
||||||
|
|
||||||
When we speak of free software, we are referring to freedom, not
|
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
|
The precise terms and conditions for copying, distribution and
|
||||||
modification follow.
|
modification follow.
|
||||||
|
|
||||||
GNU GENERAL PUBLIC LICENSE
|
GNU GENERAL PUBLIC LICENSE
|
||||||
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
|
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
|
License. (Exception: if the Program itself is interactive but
|
||||||
does not normally print such an announcement, your work based on
|
does not normally print such an announcement, your work based on
|
||||||
the Program is not required to print an announcement.)
|
the Program is not required to print an announcement.)
|
||||||
|
|
||||||
These requirements apply to the modified work as a whole. If
|
These requirements apply to the modified work as a whole. If
|
||||||
identifiable sections of that work are not derived from the Program,
|
identifiable sections of that work are not derived from the Program,
|
||||||
and can be reasonably considered independent and separate works in
|
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
|
access to copy the source code from the same place counts as
|
||||||
distribution of the source code, even though third parties are not
|
distribution of the source code, even though third parties are not
|
||||||
compelled to copy the source along with the object code.
|
compelled to copy the source along with the object code.
|
||||||
|
|
||||||
4. You may not copy, modify, sublicense, or distribute the Program
|
4. You may not copy, modify, sublicense, or distribute the Program
|
||||||
except as expressly provided under this License. Any attempt
|
except as expressly provided under this License. Any attempt
|
||||||
otherwise to copy, modify, sublicense or distribute the Program is
|
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
|
This section is intended to make thoroughly clear what is believed to
|
||||||
be a consequence of the rest of this License.
|
be a consequence of the rest of this License.
|
||||||
|
|
||||||
8. If the distribution and/or use of the Program is restricted in
|
8. If the distribution and/or use of the Program is restricted in
|
||||||
certain countries either by patents or by copyrighted interfaces, the
|
certain countries either by patents or by copyrighted interfaces, the
|
||||||
original copyright holder who places the Program under this License
|
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.
|
POSSIBILITY OF SUCH DAMAGES.
|
||||||
|
|
||||||
END OF TERMS AND CONDITIONS
|
END OF TERMS AND CONDITIONS
|
||||||
|
|
||||||
How to Apply These Terms to Your New Programs
|
How to Apply These Terms to Your New Programs
|
||||||
|
|
||||||
If you develop a new program, and you want it to be of the greatest
|
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
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
GNU General Public License for more details.
|
GNU General Public License for more details.
|
||||||
|
|
||||||
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License along
|
||||||
along with this program; if not, write to the Free Software
|
with this program; if not, write to the Free Software Foundation, Inc.,
|
||||||
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||||
|
|
||||||
|
|
||||||
Also add information on how to contact you by electronic and paper mail.
|
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
|
This General Public License does not permit incorporating your program into
|
||||||
proprietary programs. If your program is a subroutine library, you may
|
proprietary programs. If your program is a subroutine library, you may
|
||||||
consider it more useful to permit linking proprietary applications with the
|
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.
|
Public License instead of this License.
|
||||||
|
|||||||
@@ -7,6 +7,8 @@ real, usable Python extension.
|
|||||||
|
|
||||||
Other contributors (in random order):
|
Other contributors (in random order):
|
||||||
|
|
||||||
|
Dwayne Litzenberger, B.A.Sc.
|
||||||
|
for library_dirs patch to compile on Debian
|
||||||
Dave MacQuigg
|
Dave MacQuigg
|
||||||
for noticing that smfi_insheader wasn't supported, and creating
|
for noticing that smfi_insheader wasn't supported, and creating
|
||||||
a template to help first time pymilter users create their own milter.
|
a template to help first time pymilter users create their own milter.
|
||||||
|
|||||||
@@ -1,154 +0,0 @@
|
|||||||
On Sun, 11 Feb 2007, Rick Saul wrote:
|
|
||||||
|
|
||||||
> Stuart I was planning to move to centos4.4 in a couple of weeks anyway...
|
|
||||||
> Your advice of where to go from here.
|
|
||||||
|
|
||||||
Oh - you are asking for a howto.
|
|
||||||
|
|
||||||
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-0.8.7
|
|
||||||
sendmail-8.13.x (with milter support enabled)
|
|
||||||
|
|
||||||
and for SPF you'll need:
|
|
||||||
|
|
||||||
pydns-2.3.0-2.4
|
|
||||||
pyspf-2.0.3-2.py24
|
|
||||||
|
|
||||||
and for SRS you'll need:
|
|
||||||
|
|
||||||
pysrs-0.30.11-1.py24
|
|
||||||
|
|
||||||
I'm pretty sure you will want to have SPF and SRS available.
|
|
||||||
|
|
||||||
Step three. Activate basic milter.
|
|
||||||
|
|
||||||
Activate the basic milter and pysrs by editing /etc/mail/sendmail.mc and adding:
|
|
||||||
|
|
||||||
define(`NO_SRS_FILE',`/etc/mail/no-srs-mailers')dnl
|
|
||||||
dnl define(`NO_SRS_FROM_LOCAL')dnl
|
|
||||||
HACK(`pysrs',`/var/run/milter/pysrs')dnl
|
|
||||||
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.
|
|
||||||
|
|
||||||
Start milter and pysrs with "service milter start", "service pysrs start".
|
|
||||||
|
|
||||||
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-0.8.7 rejects on SPF fail.
|
|
||||||
|
|
||||||
Step four. Tweaking the basic config.
|
|
||||||
|
|
||||||
Most pymilter configuration is in /etc/mail/pymilter.cfg. To activate
|
|
||||||
changes, "service milter restart".
|
|
||||||
|
|
||||||
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. You will
|
|
||||||
likely need to set this to allow outgoing mail if you have
|
|
||||||
an SPF policy already.
|
|
||||||
|
|
||||||
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: fail.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
|
|
||||||
|
|
||||||
--
|
|
||||||
Stuart D. Gathman <stuart@bmsi.com>
|
|
||||||
Business Management Systems Inc. Phone: 703 591-0911 Fax: 703 591-6154
|
|
||||||
"Confutatis maledictis, flammis acribus addictis" - background song for
|
|
||||||
a Microsoft sponsored "Where do you want to go from here?" commercial.
|
|
||||||
-18
@@ -1,7 +1,6 @@
|
|||||||
include COPYING
|
include COPYING
|
||||||
include TODO
|
include TODO
|
||||||
include NEWS
|
include NEWS
|
||||||
include HOWTO
|
|
||||||
include CREDITS
|
include CREDITS
|
||||||
include README
|
include README
|
||||||
include ChangeLog
|
include ChangeLog
|
||||||
@@ -9,27 +8,10 @@ include MANIFEST.in
|
|||||||
include testsample.py
|
include testsample.py
|
||||||
include testmime.py
|
include testmime.py
|
||||||
include testutils.py
|
include testutils.py
|
||||||
include testbms.py
|
|
||||||
include rejects.py
|
|
||||||
include report.py
|
|
||||||
include bms.py
|
|
||||||
include spf.py
|
|
||||||
include cid2spf.py
|
|
||||||
include spfquery.py
|
|
||||||
include test.py
|
include test.py
|
||||||
include sample.py
|
include sample.py
|
||||||
include milter-template.py
|
include milter-template.py
|
||||||
include spfmilter.py
|
|
||||||
include spfmilter.rc
|
|
||||||
include spfmilter.cfg
|
|
||||||
include test/*
|
include test/*
|
||||||
include doc/*
|
|
||||||
include Milter/*.py
|
include Milter/*.py
|
||||||
include *.spec
|
include *.spec
|
||||||
include start.sh
|
include start.sh
|
||||||
include milter.rc
|
|
||||||
include milter.rc7
|
|
||||||
include milter.cfg
|
|
||||||
include rhsbl.m4
|
|
||||||
include *.txt
|
|
||||||
include *.html
|
|
||||||
|
|||||||
+13
-6
@@ -112,8 +112,8 @@ class Milter:
|
|||||||
def chgheader(self,field,idx,value):
|
def chgheader(self,field,idx,value):
|
||||||
return self.__ctx.chgheader(field,idx,value)
|
return self.__ctx.chgheader(field,idx,value)
|
||||||
|
|
||||||
def addrcpt(self,rcpt):
|
def addrcpt(self,rcpt,params=None):
|
||||||
return self.__ctx.addrcpt(rcpt)
|
return self.__ctx.addrcpt(rcpt,params)
|
||||||
|
|
||||||
def delrcpt(self,rcpt):
|
def delrcpt(self,rcpt):
|
||||||
return self.__ctx.delrcpt(rcpt)
|
return self.__ctx.delrcpt(rcpt)
|
||||||
@@ -121,6 +121,9 @@ class Milter:
|
|||||||
def replacebody(self,body):
|
def replacebody(self,body):
|
||||||
return self.__ctx.replacebody(body)
|
return self.__ctx.replacebody(body)
|
||||||
|
|
||||||
|
def chgfrom(self,sender,params=None):
|
||||||
|
return self.__ctx.chgfrom(sender,params)
|
||||||
|
|
||||||
# When quarantined, a message goes into the mailq as if to be delivered,
|
# When quarantined, a message goes into the mailq as if to be delivered,
|
||||||
# but delivery is deferred until the message is unquarantined.
|
# but delivery is deferred until the message is unquarantined.
|
||||||
def quarantine(self,reason):
|
def quarantine(self,reason):
|
||||||
@@ -139,8 +142,10 @@ def connectcallback(ctx,hostname,family,hostaddr):
|
|||||||
def closecallback(ctx):
|
def closecallback(ctx):
|
||||||
m = ctx.getpriv()
|
m = ctx.getpriv()
|
||||||
if not m: return CONTINUE
|
if not m: return CONTINUE
|
||||||
rc = m.close()
|
try:
|
||||||
m._setctx(None) # release milterContext
|
rc = m.close()
|
||||||
|
finally:
|
||||||
|
m._setctx(None) # release milterContext
|
||||||
return rc
|
return rc
|
||||||
|
|
||||||
def dictfromlist(args):
|
def dictfromlist(args):
|
||||||
@@ -184,8 +189,10 @@ def runmilter(name,socketname,timeout = 0):
|
|||||||
print "Removing %s" % fname
|
print "Removing %s" % fname
|
||||||
try:
|
try:
|
||||||
os.unlink(fname)
|
os.unlink(fname)
|
||||||
except:
|
except os.error, x:
|
||||||
pass
|
import errno
|
||||||
|
if x.errno != errno.ENOENT:
|
||||||
|
raise milter.error(x)
|
||||||
|
|
||||||
# The default flags set include everything
|
# The default flags set include everything
|
||||||
# milter.set_flags(milter.ADDHDRS)
|
# milter.set_flags(milter.ADDHDRS)
|
||||||
|
|||||||
+34
-19
@@ -10,6 +10,14 @@
|
|||||||
# CBV results.
|
# CBV results.
|
||||||
#
|
#
|
||||||
# $Log$
|
# $Log$
|
||||||
|
# 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
|
# Revision 1.6 2007/01/19 23:31:38 customdesigned
|
||||||
# Move parse_header to Milter.utils.
|
# Move parse_header to Milter.utils.
|
||||||
# Test case for delayed DSN parsing.
|
# Test case for delayed DSN parsing.
|
||||||
@@ -66,13 +74,17 @@ class AddrCache(object):
|
|||||||
for ln in fp:
|
for ln in fp:
|
||||||
try:
|
try:
|
||||||
rcpt,ts = ln.strip().split(None,1)
|
rcpt,ts = ln.strip().split(None,1)
|
||||||
l = time.strptime(ts,AddrCache.time_format)
|
try:
|
||||||
t = time.mktime(l)
|
l = time.strptime(ts,AddrCache.time_format)
|
||||||
if t < too_old:
|
t = time.mktime(l)
|
||||||
changed = True
|
if t < too_old:
|
||||||
continue
|
changed = True
|
||||||
cache[rcpt.lower()] = (t,None)
|
continue
|
||||||
except:
|
cache[rcpt.lower()] = (t,None)
|
||||||
|
except: # unparsable timestamp - likely garbage
|
||||||
|
changed = True
|
||||||
|
continue
|
||||||
|
except: # manual entry (no timestamp)
|
||||||
cache[ln.strip().lower()] = (now,None)
|
cache[ln.strip().lower()] = (now,None)
|
||||||
wfp.write(ln)
|
wfp.write(ln)
|
||||||
if changed:
|
if changed:
|
||||||
@@ -82,8 +94,10 @@ class AddrCache(object):
|
|||||||
except IOError:
|
except IOError:
|
||||||
lock.unlock()
|
lock.unlock()
|
||||||
|
|
||||||
def has_key(self,sender):
|
def has_precise_key(self,sender):
|
||||||
"True if sender is cached and has not expired."
|
"""True if precise sender is cached and has not expired. Don't
|
||||||
|
try looking up wildcard entries.
|
||||||
|
"""
|
||||||
try:
|
try:
|
||||||
lsender = sender and sender.lower()
|
lsender = sender and sender.lower()
|
||||||
ts,res = self.cache[lsender]
|
ts,res = self.cache[lsender]
|
||||||
@@ -91,16 +105,17 @@ class AddrCache(object):
|
|||||||
if not ts or ts > too_old:
|
if not ts or ts > too_old:
|
||||||
return True
|
return True
|
||||||
del self.cache[lsender]
|
del self.cache[lsender]
|
||||||
try:
|
except KeyError: pass
|
||||||
user,host = sender.split('@',1)
|
return False
|
||||||
return self.has_key(host)
|
|
||||||
except ValueError:
|
def has_key(self,sender):
|
||||||
pass
|
"True if sender is cached and has not expired."
|
||||||
except KeyError:
|
if self.has_precise_key(sender):
|
||||||
try:
|
return True
|
||||||
user,host = sender.split('@',1)
|
try:
|
||||||
return self.has_key(host)
|
user,host = sender.split('@',1)
|
||||||
except: pass
|
return self.has_precise_key(host)
|
||||||
|
except: pass
|
||||||
return False
|
return False
|
||||||
|
|
||||||
__contains__ = has_key
|
__contains__ = has_key
|
||||||
|
|||||||
@@ -57,3 +57,8 @@ class MilterConfigParser(ConfigParser):
|
|||||||
if self.has_option(sect,opt):
|
if self.has_option(sect,opt):
|
||||||
return self.get(sect,opt)
|
return self.get(sect,opt)
|
||||||
return default
|
return default
|
||||||
|
|
||||||
|
def getintdefault(self,sect,opt,default=None):
|
||||||
|
if self.has_option(sect,opt):
|
||||||
|
return self.getint(sect,opt)
|
||||||
|
return default
|
||||||
|
|||||||
@@ -0,0 +1,90 @@
|
|||||||
|
# provide a higher level interface to pydns
|
||||||
|
|
||||||
|
import DNS
|
||||||
|
from DNS import DNSError
|
||||||
|
|
||||||
|
MAX_CNAME = 10
|
||||||
|
|
||||||
|
def DNSLookup(name, qtype):
|
||||||
|
try:
|
||||||
|
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 = {}
|
||||||
|
|
||||||
|
# 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.
|
||||||
|
|
||||||
|
SAFE2CACHE = {
|
||||||
|
('MX','A'): None,
|
||||||
|
('MX','MX'): None,
|
||||||
|
('CNAME','A'): None,
|
||||||
|
('CNAME','CNAME'): None,
|
||||||
|
('A','A'): None,
|
||||||
|
('AAAA','AAAA'): None,
|
||||||
|
('PTR','PTR'): None,
|
||||||
|
('NS','NS'): None,
|
||||||
|
('NS','A'): None,
|
||||||
|
('TXT','TXT'): None,
|
||||||
|
('SPF','SPF'): None
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
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)
|
||||||
|
"""
|
||||||
|
result = self.cache.get( (name, qtype) )
|
||||||
|
cname = None
|
||||||
|
|
||||||
|
if not result:
|
||||||
|
safe2cache = Session.SAFE2CACHE
|
||||||
|
for k, v in DNSLookup(name, qtype):
|
||||||
|
if k == (name, 'CNAME'):
|
||||||
|
cname = v
|
||||||
|
if (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)
|
||||||
|
return result
|
||||||
|
|
||||||
|
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)
|
||||||
+49
-24
@@ -5,6 +5,12 @@
|
|||||||
# Send DSNs, do call back verification,
|
# Send DSNs, do call back verification,
|
||||||
# and generate DSN messages from a template
|
# and generate DSN messages from a template
|
||||||
# $Log$
|
# $Log$
|
||||||
|
# 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
|
# Revision 1.13 2007/01/04 18:01:11 customdesigned
|
||||||
# Do plain CBV when template missing.
|
# Do plain CBV when template missing.
|
||||||
#
|
#
|
||||||
@@ -19,22 +25,22 @@
|
|||||||
#
|
#
|
||||||
|
|
||||||
import smtplib
|
import smtplib
|
||||||
import spf
|
|
||||||
import socket
|
import socket
|
||||||
from email.Message import Message
|
from email.Message import Message
|
||||||
import Milter
|
import Milter
|
||||||
import time
|
import time
|
||||||
|
import dns
|
||||||
|
|
||||||
def send_dsn(mailfrom,receiver,msg=None,timeout=600):
|
def send_dsn(mailfrom,receiver,msg=None,timeout=600,session=None):
|
||||||
"""Send DSN. If msg is None, do callback verification.
|
"""Send DSN. If msg is None, do callback verification.
|
||||||
Mailfrom is original sender we are sending DSN or CBV to.
|
Mailfrom is original sender we are sending DSN or CBV to.
|
||||||
Receiver is the MTA sending the DSN.
|
Receiver is the MTA sending the DSN.
|
||||||
Return None for success or (code,msg) for failure."""
|
Return None for success or (code,msg) for failure."""
|
||||||
user,domain = mailfrom.split('@')
|
user,domain = mailfrom.split('@')
|
||||||
|
if not session: session = dns.Session()
|
||||||
try:
|
try:
|
||||||
q = spf.query(None,None,None)
|
mxlist = session.dns(domain,'MX')
|
||||||
mxlist = q.dns(domain,'MX')
|
except dns.DNSError:
|
||||||
except spf.TempError:
|
|
||||||
return (450,'DNS Timeout: %s MX'%domain) # temp error
|
return (450,'DNS Timeout: %s MX'%domain) # temp error
|
||||||
if not mxlist:
|
if not mxlist:
|
||||||
mxlist = (0,domain), # fallback to A record when no MX
|
mxlist = (0,domain), # fallback to A record when no MX
|
||||||
@@ -86,23 +92,41 @@ def send_dsn(mailfrom,receiver,msg=None,timeout=600):
|
|||||||
return (450,'No MX response within %f minutes'%(timeout/60.0))
|
return (450,'No MX response within %f minutes'%(timeout/60.0))
|
||||||
return (450,'No MX servers available') # temp error
|
return (450,'No MX servers available') # temp error
|
||||||
|
|
||||||
def create_msg(q,rcptlist,origmsg=None,template=None):
|
class Vars: pass
|
||||||
"Create a DSN message from a template. Template must be '\n' separated."
|
|
||||||
|
# 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:
|
if not template:
|
||||||
return None
|
return None
|
||||||
heloname = q.h
|
if hasattr(v,'perm_error'):
|
||||||
sender = q.s
|
# likely to be an spf.query, try translating for backward compatibility
|
||||||
connectip = q.i
|
q = v
|
||||||
receiver = q.r
|
v = Vars()
|
||||||
sender_domain = q.o
|
try:
|
||||||
result = q.result
|
v.heloname = q.h
|
||||||
perm_error = q.perm_error
|
v.sender = q.s
|
||||||
rcpt = '\n\t'.join(rcptlist)
|
v.connectip = q.i
|
||||||
try: subject = origmsg['Subject']
|
v.receiver = q.r
|
||||||
except: subject = '(none)'
|
v.sender_domain = q.o
|
||||||
try:
|
v.result = q.result
|
||||||
spf_result = origmsg['Received-SPF']
|
v.perm_error = q.perm_error
|
||||||
except: spf_result = None
|
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 = Message()
|
||||||
|
|
||||||
@@ -112,18 +136,19 @@ def create_msg(q,rcptlist,origmsg=None,template=None):
|
|||||||
hdrs,body = template.split('\n\n',1)
|
hdrs,body = template.split('\n\n',1)
|
||||||
for ln in hdrs.splitlines():
|
for ln in hdrs.splitlines():
|
||||||
name,val = ln.split(':',1)
|
name,val = ln.split(':',1)
|
||||||
msg.add_header(name,(val % locals()).strip())
|
msg.add_header(name,(val % v.__dict__).strip())
|
||||||
msg.set_payload(body % locals())
|
msg.set_payload(body % v.__dict__)
|
||||||
# add headers if missing from old template
|
# add headers if missing from old template
|
||||||
if 'to' not in msg:
|
if 'to' not in msg:
|
||||||
msg.add_header('To',sender)
|
msg.add_header('To',v.sender)
|
||||||
if 'from' not in msg:
|
if 'from' not in msg:
|
||||||
msg.add_header('From','postmaster@%s'%receiver)
|
msg.add_header('From','postmaster@%s'%v.receiver)
|
||||||
if 'auto-submitted' not in msg:
|
if 'auto-submitted' not in msg:
|
||||||
msg.add_header('Auto-Submitted','auto-generated')
|
msg.add_header('Auto-Submitted','auto-generated')
|
||||||
return msg
|
return msg
|
||||||
|
|
||||||
if __name__ == '__main__':
|
if __name__ == '__main__':
|
||||||
|
import spf
|
||||||
q = spf.query('192.168.9.50',
|
q = spf.query('192.168.9.50',
|
||||||
'SRS0=pmeHL=RH==stuart@example.com',
|
'SRS0=pmeHL=RH==stuart@example.com',
|
||||||
'red.example.com',receiver='mail.example.com')
|
'red.example.com',receiver='mail.example.com')
|
||||||
|
|||||||
@@ -0,0 +1,74 @@
|
|||||||
|
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):
|
||||||
|
now = time.time()
|
||||||
|
self.firstseen = now
|
||||||
|
self.lastseen = now
|
||||||
|
self.cnt = 0
|
||||||
|
self.umis = None
|
||||||
|
|
||||||
|
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 check(self,ip,sender,recipient):
|
||||||
|
"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()
|
||||||
|
if now > r.lastseen + self.greylist_retain:
|
||||||
|
# expired
|
||||||
|
log.debug('Expired greylist: %s',key)
|
||||||
|
r = Record()
|
||||||
|
elif now < r.firstseen + self.greylist_time:
|
||||||
|
# still greylisted
|
||||||
|
log.debug('Early greylist: %s',key)
|
||||||
|
#r = Record()
|
||||||
|
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()
|
||||||
|
dbp[key] = r
|
||||||
|
except:
|
||||||
|
r = Record()
|
||||||
|
dbp[key] = r
|
||||||
|
dbp.sync()
|
||||||
|
finally:
|
||||||
|
self.lock.release()
|
||||||
|
return r.cnt
|
||||||
@@ -4,6 +4,8 @@ import socket
|
|||||||
import email.Errors
|
import email.Errors
|
||||||
from fnmatch import fnmatchcase
|
from fnmatch import fnmatchcase
|
||||||
from email.Header import decode_header
|
from email.Header import decode_header
|
||||||
|
#import email.Utils
|
||||||
|
import rfc822
|
||||||
|
|
||||||
ip4re = re.compile(r'^[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*$')
|
ip4re = re.compile(r'^[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*$')
|
||||||
|
|
||||||
@@ -40,6 +42,44 @@ def iniplist(ipaddr,iplist):
|
|||||||
return True
|
return True
|
||||||
return False
|
return False
|
||||||
|
|
||||||
|
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):
|
def parse_addr(t):
|
||||||
"""Split email into user,domain.
|
"""Split email into user,domain.
|
||||||
|
|
||||||
|
|||||||
@@ -1,4 +1,6 @@
|
|||||||
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
|
0.8.8 move AddrCache, parse_addr, iniplist, parse_header to Milter package
|
||||||
fix plock for missing source and can't change owner/group
|
fix plock for missing source and can't change owner/group
|
||||||
add sample spfmilter.py milter
|
add sample spfmilter.py milter
|
||||||
|
|||||||
@@ -1,226 +1,6 @@
|
|||||||
Don't match dynamic ptr in bestguess.
|
Support smfi_negotiate and auto negotiate only those callbacks for which
|
||||||
|
Milter.Milter methods have been overridden. (Python should be able to
|
||||||
When content filtering is not installed, reject BLACKLISTed MFROM
|
do that.)
|
||||||
immediately. There is no use waiting until EOM.
|
|
||||||
|
|
||||||
Configuration is problematic when handling incoming, but not outgoing mail.
|
|
||||||
The problem comes when alice@example.com sends mail to bill@example.com,
|
|
||||||
and we are the MX for example.com, but alice is sending from some other
|
|
||||||
MTA. The mail is flagged external, so we don't list example.com in
|
|
||||||
internal_domains (or we would get "spam from self"). But, if we try to do a
|
|
||||||
CBV, we get "fraudulent MX", because the MX is ourself! So we need to
|
|
||||||
avoid doing CBV on such domains. Currently, we try to make sure the SPF
|
|
||||||
policies don't do CBV.
|
|
||||||
|
|
||||||
We now don't check internal domains for incoming mail if there is an
|
|
||||||
SPF record.
|
|
||||||
|
|
||||||
On the other hand, if alice is sending internally, or with SMTP AUTH, she
|
|
||||||
*does* need the domain to be in internal_domains. The solution to that
|
|
||||||
is to use the new SMTP AUTH access configuration to specify which domains
|
|
||||||
can be used by smtp AUTH (by user if desired).
|
|
||||||
|
|
||||||
It would be cleaner if CBV would know which domains we have agreed to
|
|
||||||
be MX for. Some ideas for external connections:
|
|
||||||
|
|
||||||
a) check access file for To:example.com RELAY
|
|
||||||
b) check mailertable
|
|
||||||
c) check mx_domains config list
|
|
||||||
d) if there is an SPF record, don't check internal_domains
|
|
||||||
(let SPF block unauthorized machines)
|
|
||||||
|
|
||||||
But that still doesn't handle the roaming user, who won't use SMTP
|
|
||||||
AUTH, but sends through some hotel MTA. Maybe we don't want to support
|
|
||||||
him?
|
|
||||||
|
|
||||||
When setting up pydspam, both sender and rcpt must resolve to dspam users
|
|
||||||
for falsepositive recognition. Usually, this means adding
|
|
||||||
honeypot@mail.example.com to alias list for honeypot in pymilter.cfg.
|
|
||||||
This needs to be documented. I was caught by it setting up a new site.
|
|
||||||
|
|
||||||
Add signature (x-sig=AB7485f=TS) to Received-SPF, so it can be used
|
|
||||||
to blacklist sources of delayed DSNs.
|
|
||||||
|
|
||||||
rcpt-addr may let us know when a recipient is unknown. That should count
|
|
||||||
against reputation.
|
|
||||||
|
|
||||||
Need to use wildcards in blacklist.log: *.madcowsrecord.net
|
|
||||||
Need to exclude emails like !*-admin@example.com in whitelist_sender.
|
|
||||||
Need to exclude robot users from autowhitelist. Don't want to have to
|
|
||||||
list all users, so implement something like !*-admin@bmsi.com,@bmsi.com.
|
|
||||||
|
|
||||||
GOSSiP feedback from user training is ignored because UMIS has already been
|
|
||||||
removed from queue. Maybe keep UMIS in queue, and add method to
|
|
||||||
alter last feedback for ID.
|
|
||||||
|
|
||||||
Generate DSNs according to RFC 3464
|
|
||||||
|
|
||||||
Get temperror policy from access file.
|
|
||||||
|
|
||||||
Reporting explanation for failure should show source if sender
|
|
||||||
provided explanation.
|
|
||||||
|
|
||||||
Bug in Auto-whitelist. Recent Auto-whitelist doesn't override expired entry.
|
|
||||||
|
|
||||||
SPF permerror diagnostics should include corrected mechanism.
|
|
||||||
|
|
||||||
Delay SPF check until RCPT TO. Cache result to avoid repeating
|
|
||||||
for multiple RCPT. This avoids overhead for invalid RCPT, and
|
|
||||||
allows for per RCPT local policy.
|
|
||||||
|
|
||||||
Check SPF for outgoing mail (including local policy for internal addresses).
|
|
||||||
This could also solve the second part of the mail from relay problem below.
|
|
||||||
|
|
||||||
Whitelisted senders from trusted relay get PROBATION. Need to extracted
|
|
||||||
SPF result from headers - and in the case of mail internal to relay
|
|
||||||
(e.g. bmsi.com), supply 'pass' result.
|
|
||||||
|
|
||||||
For selected domains, check rcpts via CBV before accepting mail. Cache
|
|
||||||
results. This will kick out dictonary attacks against a mail domain
|
|
||||||
behind a gateway sooner.
|
|
||||||
|
|
||||||
Add auto-blacklisted senders to blacklist.log with timestamp.
|
|
||||||
Add emails blacklisted via CBV so that they are remembered across milter
|
|
||||||
restarts.
|
|
||||||
|
|
||||||
Make all dictionaries work like honeypot. Do not train as ham unless
|
|
||||||
whitelisted. Train on blacklisted messages, or spam feedback. This
|
|
||||||
can be called Train On Error. Should be possible to startup
|
|
||||||
with training on everything to get dictionary built fast, then switch
|
|
||||||
to train on error to minimize labor.
|
|
||||||
|
|
||||||
Allow unsigned DSNs from selected domains (that don't accept signed MFROM,
|
|
||||||
e.g. verizon.net).
|
|
||||||
|
|
||||||
Allow verified hostnames for trusted_relay. E.g. HELO name that
|
|
||||||
passes SPF.
|
|
||||||
|
|
||||||
Table of sendmail macros for documentation.
|
|
||||||
|
|
||||||
When do we get two hello calls? STARTTLS is one reason.
|
|
||||||
|
|
||||||
Option: accept mail from auto-whitelisted senders even with spf-fail,
|
|
||||||
but do not update dspam. This can be done for individual senders or domains
|
|
||||||
using the access file.
|
|
||||||
|
|
||||||
pysrs: SRS doesn't get applied to proper recipients when there are
|
|
||||||
multiple recipients. This requires debugging cf scripts - yuk.
|
|
||||||
|
|
||||||
auto_whitelist false_positives from quarantine - perhaps only when
|
|
||||||
user selects special button (use special header to communicate
|
|
||||||
that from dspamcgi.py to milter.)
|
|
||||||
|
|
||||||
Use send_dsn.log for blacklist also. AddrCache needs localpart
|
|
||||||
wildcard (e.g. empty localpart).
|
|
||||||
|
|
||||||
Quarantined mail is missing headers modified/added by milter after
|
|
||||||
checking dspam.
|
|
||||||
|
|
||||||
Send DSN for permerror before processing extended result. An additional
|
|
||||||
DSN may be sent based on extended result. Send permerror DSN to
|
|
||||||
postmaster@sending_domain.
|
|
||||||
|
|
||||||
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).
|
|
||||||
|
|
||||||
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).
|
|
||||||
|
|
||||||
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.
|
|
||||||
|
|
||||||
DONE Require signed MFROM for all incoming bounces when signing all outgoing
|
|
||||||
mail - except from trusted relays.
|
|
||||||
|
|
||||||
DONE Added Message-ID header to DSN with SRS signed sender. When seen on
|
|
||||||
incoming rfc ignorant failure message, blacklist sender.
|
|
||||||
|
|
||||||
DONE Option to add Received-SPF header, but never reject on SPF.
|
|
||||||
I think the above will handle this.
|
|
||||||
|
|
||||||
DONE Received-SPF header field should show identity that was checked.
|
|
||||||
|
|
||||||
DONE When training with spam, REJECT after data so that mistakenly blacklisted
|
|
||||||
senders at least get an error.
|
|
||||||
|
|
||||||
DONE Milter won't start when it can't change permissions on *.lock to match
|
|
||||||
*.log. Should maybe ignore that error - the effect will be to set
|
|
||||||
the permissions to default.
|
|
||||||
|
|
||||||
DONE Milter won't start when a whitelist/blacklist file is missing.
|
|
||||||
|
|
||||||
DONE Delayed failure detection should parse From header to find email address.
|
|
||||||
|
|
||||||
DONE When bms.py can't find templates, it passes None to dsn.create_msg(),
|
|
||||||
which uses local variable as backup, which no longer exist. Do plain
|
|
||||||
CBV in that case instead.
|
|
||||||
|
|
||||||
DONE Find and use X-GOSSiP: header for SPAM: and FP: submissions. Would need
|
|
||||||
to keep tags longer.
|
|
||||||
|
|
||||||
DONE Parse incoming 3464 DSNs for "Action: failed" to recognize delayed
|
|
||||||
failures. This works regardless of Subject.
|
|
||||||
|
|
||||||
DONE Reports PROBATION even when rejecting message (works, but confusing in
|
|
||||||
log).
|
|
||||||
|
|
||||||
DONE Delayed_failure detection needs to handle multi-line header fields.
|
|
||||||
Also, delayed_failure should be recognized when addressed to
|
|
||||||
postmaster@helodomain
|
|
||||||
|
|
||||||
DONE DSN for Permerror shows 'None' for error under some condition.
|
|
||||||
|
|
||||||
DONE Allow blacklisted emails as well as domains in blacklist.log. Use same
|
|
||||||
data structure as autowhitelist.log.
|
|
||||||
|
|
||||||
DONE Backup copies for outgoing/incoming mail.
|
|
||||||
|
|
||||||
|
Lookup exact RFC syntax of real name / email and make
|
||||||
|
Milter.utils.parse_addr() pass all unit tests.
|
||||||
|
|||||||
Binary file not shown.
|
Before Width: | Height: | Size: 32 KiB |
BIN
Binary file not shown.
|
Before Width: | Height: | Size: 1.6 KiB |
-181
@@ -1,181 +0,0 @@
|
|||||||
Title: Recent Changes
|
|
||||||
|
|
||||||
<h2> Recent Changes </h2>
|
|
||||||
|
|
||||||
<h3> 0.8.7 </h3>
|
|
||||||
|
|
||||||
The spf module has been moved to the
|
|
||||||
<a href="http://cheeseshop.python.org/pypi/pyspf">pyspf</a> package.
|
|
||||||
Download <a href="http://sourceforge.net/project/showfiles.php?group_id=139894&package_id=191419">here</a>.
|
|
||||||
|
|
||||||
<h3> 0.8.6 </h3>
|
|
||||||
|
|
||||||
Python milter has been moved to
|
|
||||||
<a href="http://sourceforge.net/projects/pymilter/">pymilter Sourceforge
|
|
||||||
project</a> for development and release downloads.
|
|
||||||
|
|
||||||
<h3> 0.8.5 </h3>
|
|
||||||
|
|
||||||
Release 0.8.5 fixes some build bugs reported by Stephen Figgins. It
|
|
||||||
fixes many small things, like not auto-whitelisting recipients of
|
|
||||||
outgoing mail when the subject contains "autoreply:". There is a
|
|
||||||
simple trusted forwarder implementation. If you have more than
|
|
||||||
2 or so forwarders, we will need a way to "compile" SPF records into an
|
|
||||||
IP set and TTL for it to be efficient (like libspf2 does).
|
|
||||||
|
|
||||||
<h3> GOSSiP </h3>
|
|
||||||
An alpha release of <a href="pygossip.html">pygossip</a> has been commited to
|
|
||||||
CVS, module pygossip. A version of the bms.py milter has been commited to CVS
|
|
||||||
which supports calling GOSSiP to track domain reputation in a local database.
|
|
||||||
|
|
||||||
<h3> New website design </h3>
|
|
||||||
|
|
||||||
Hey, I'm no artist, so I just used the
|
|
||||||
<a href="http://ht2html.sourceforge.net/">ht2html</a> package
|
|
||||||
by <a href="http://barry.wooz.org/">Barry Warsaw</a>. The mascot
|
|
||||||
is by <a href="http://alphard.ethz.ch/hafner/lebl.htm">Christian Hafner</a>,
|
|
||||||
or maybe his wife. I chose Maxwell's daemon because it tirelessly
|
|
||||||
and invisibly sorts molecules, just as milters sort mail.
|
|
||||||
Christian has also provided a fun
|
|
||||||
<a href="http://alphard.ethz.ch/hafner/PPS/PPS2002/Maxwell/simulation.htm">
|
|
||||||
simulation</a> that lets you try your hand at sorting molecules.
|
|
||||||
|
|
||||||
<h3> 0.8.4 </h3>
|
|
||||||
|
|
||||||
Release 0.8.4 makes configuring SPF policy via access.db actually work.
|
|
||||||
The honeypot idea is enhanced by auto-whitelisting recipients of
|
|
||||||
email sent from selected domains. Whitelisted messages are then used
|
|
||||||
to train the honeypot. This makes the honeypot screener entirely self
|
|
||||||
training. The smfi_progress() API is now automatically supported when present.
|
|
||||||
An optional idx parameter to milter.addheader() invokes smfi_insheader().
|
|
||||||
|
|
||||||
<h3> 0.8.3 </h3>
|
|
||||||
|
|
||||||
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.
|
|
||||||
|
|
||||||
<h3> 0.8.2 </h3>
|
|
||||||
|
|
||||||
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.
|
|
||||||
|
|
||||||
<h3> 0.8.0 </h3>
|
|
||||||
|
|
||||||
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.
|
|
||||||
|
|
||||||
<h3> Older Releases </h3>
|
|
||||||
|
|
||||||
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."
|
|
||||||
|
|
||||||
@@ -1,55 +0,0 @@
|
|||||||
Title: Credits
|
|
||||||
|
|
||||||
<h1> CREDITS </h1>
|
|
||||||
|
|
||||||
<a href="mailto:Jim Niemira <urmane@urmane.org>">Jim Niemira</a>
|
|
||||||
wrote the original C module and some quick
|
|
||||||
and dirty python to use it.
|
|
||||||
<a href="mailto:Stuart Gathman <stuart@bmsi.com>">Stuart D. Gathman</a>
|
|
||||||
took that kludge and added threading and context objects to it, wrote a proper
|
|
||||||
OO wrapper (Milter.py) that handles attachments, did lots of testing, packaged
|
|
||||||
it with distutils, and generally transformed it from a quick hack to a
|
|
||||||
real, usable Python extension.
|
|
||||||
|
|
||||||
<h2>Other contributors (in random order):</h2>
|
|
||||||
|
|
||||||
<dl>
|
|
||||||
<dt> <a href="http://alphard.ethz.ch/hafner/lebl.htm">Christian Hafner</a>
|
|
||||||
<dd>for the pymilter mascot image of
|
|
||||||
<a href="http://maxwelld.netfirms.com/">
|
|
||||||
Maxwell's daemon</a>
|
|
||||||
<dt>Stephen Figgins
|
|
||||||
<dd>for reporting problems building with sendmail-8.12, and when
|
|
||||||
building milter.so for the first time.
|
|
||||||
<dt>Dave MacQuigg
|
|
||||||
<dd>for noticing that smfi_insheader wasn't supported, and creating
|
|
||||||
a template to help first time pymilter users create their own milter.
|
|
||||||
<dt>Terence Way
|
|
||||||
<dd>for providing a Python port of SPF
|
|
||||||
<dt>Scott Kitterman
|
|
||||||
<dd>for doing lots of testing and debugging of SPF against draft standard,
|
|
||||||
and for putting up a <a href="http://www.kitterman.com/spf/validate.html">
|
|
||||||
web page that validates SPF</a> records using spf.py
|
|
||||||
<dt>Alexander Kourakos
|
|
||||||
<dd>for plugging several memory leaks
|
|
||||||
<dt>George Graf at Vienna University of Economics and Business Administration
|
|
||||||
<dd>for handling None passed to setreply and chgheader.
|
|
||||||
<dt>Deron Meranda
|
|
||||||
<dd>for IPv6 patches
|
|
||||||
<dt>Jason Erikson
|
|
||||||
<dd>for handling NULL hostaddr in connect callback.
|
|
||||||
<dt>John Draper
|
|
||||||
<dd>for porting Python milter to OpenBSD, and starting to work on tutorials
|
|
||||||
then pointing out that it would be easier to just write the MTA in Python.
|
|
||||||
<dt>Eric S. Johansson
|
|
||||||
<dd>for helpful design discussions while working on camram
|
|
||||||
<dt>Alex Savguira
|
|
||||||
<dd>for finding bugs with international headers and
|
|
||||||
suggesting the scan_zip option.
|
|
||||||
<dt><a href="http://www.bmsi.com">Business Management Systems</a>
|
|
||||||
<dd>for hosting the website, and providing paying clients who need milter
|
|
||||||
service so I can work on it as part of my day job.
|
|
||||||
</dl>
|
|
||||||
|
|
||||||
If I have left anybody out, send me a reminder:
|
|
||||||
<a href="mailto:Stuart Gathman <stuart@bmsi.com>">stuart@bmsi.com</a>
|
|
||||||
-293
@@ -1,293 +0,0 @@
|
|||||||
Title: Python Milter FAQ
|
|
||||||
|
|
||||||
<h1> Python Milter <a name=faq>FAQ</a> </h1>
|
|
||||||
|
|
||||||
<menu>
|
|
||||||
<li> <a href="#compiling">Compiling Python Milter</a>
|
|
||||||
<li> <a href="#running">Running Python Milter</a>
|
|
||||||
<li> <a href="#spf">Using SPF</a>
|
|
||||||
<li> <a href="#srs">Using SRS</a>
|
|
||||||
</menu>
|
|
||||||
|
|
||||||
<ol>
|
|
||||||
|
|
||||||
<h3> <a name="compiling">Compiling Python Milter </a> </h3>
|
|
||||||
|
|
||||||
<li> Q. I have tried to download the current milter code and my virus scan
|
|
||||||
traps several viruses in the download.
|
|
||||||
<p> A. The milter source includes a number of deactivated viruses in
|
|
||||||
the test directory. All but the first and last lines of the base64
|
|
||||||
encoded virus data has been removed. I suppose I should randomize
|
|
||||||
the first and last lines as well, since pymilter just deletes executables,
|
|
||||||
and doesn't look for signatures.
|
|
||||||
<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="requirements.html#rh72">RedHat 7.2 requirements</a>.
|
|
||||||
<p>
|
|
||||||
<li> Q. Python milter compiles ok, but I get an error like this when
|
|
||||||
I try to import the milter module:
|
|
||||||
<pre>
|
|
||||||
ImportError: /usr/lib/python2.4/site-packages/milter.so: undefined symbol: smfi_setmlreply
|
|
||||||
</pre>
|
|
||||||
<p> A. Your libmilter.a is from sendmail-8.12 or earlier. You need
|
|
||||||
sendmail-8.13 or later to support setmlreply. You can disable
|
|
||||||
setmlreply by changing setup.py. Change:
|
|
||||||
<pre>
|
|
||||||
define_macros = [ ('MAX_ML_REPLY',32) ]
|
|
||||||
</pre>
|
|
||||||
in setup.py to
|
|
||||||
<pre>
|
|
||||||
define_macros = [ ('MAX_ML_REPLY',1) ]
|
|
||||||
</pre>
|
|
||||||
|
|
||||||
<h3> <a name="running">Running Python Milter </a></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.
|
|
||||||
OpenBSD users report that this problem has been fixed, so upgrading
|
|
||||||
OpenBSD will fix this. Otherwise, you can
|
|
||||||
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>
|
|
||||||
|
|
||||||
<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. By default, 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. Beginning with milter-0.8.2,
|
|
||||||
you can call <code>milter.set_exception_policy(milter.CONTINUE)</code>
|
|
||||||
to cause an untrapped exception to continue processing with the
|
|
||||||
next callback or milter instead. For
|
|
||||||
completeness, you can also set the exception policy to
|
|
||||||
<code>milter.REJECT</code>.
|
|
||||||
|
|
||||||
<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.
|
|
||||||
<li> Q. <code>mail_archive</code> isn't working. Or I don't understand how
|
|
||||||
it's suppose to work. I have
|
|
||||||
<code>mail_archive = /var/mail/mail_archive</code>
|
|
||||||
in <code>pymilter.cfg</code> but nothing ever gets dumped into
|
|
||||||
<code>/var/mail/mail_archive</code>.
|
|
||||||
<p> A. The 'mail' user needs to have write access. Permission failures
|
|
||||||
should be logged as a traceback in milter.log if it doesn't.
|
|
||||||
|
|
||||||
<h3> <a name="spf">Using SPF </a></h3>
|
|
||||||
|
|
||||||
<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>
|
|
||||||
In CVS, there is <code>spfmilter.py</code>. Run that as a service,
|
|
||||||
and it does just SPF. It uses the sendmail <code>access</code>
|
|
||||||
file to configure SPF responses just like <code>bms.py</code>, but
|
|
||||||
supports only REJECT and OK.
|
|
||||||
<li> Q. The SPF DSN is sent at least once for domains that don't publish a SPF.
|
|
||||||
How do I stop this behavior?
|
|
||||||
<p> A. The SPF response is controlled by <code>/etc/mail/access</code>
|
|
||||||
(actually the file you specify with <code>access_file</code> in
|
|
||||||
the <code>[spf]</code> section of <code>pymilter.cfg</code>).
|
|
||||||
Responses are OK, CBV, and REJECT. CBV sends the DSN.
|
|
||||||
<p>
|
|
||||||
You can change the defaults. For instance, I have:
|
|
||||||
<pre>
|
|
||||||
SPF-None: REJECT
|
|
||||||
SPF-Neutral: CBV
|
|
||||||
SPF-Softfail: CBV
|
|
||||||
SPF-Permerror: CBV
|
|
||||||
</pre>
|
|
||||||
I have best_guess = 1, so SPF none is converted to PASS/NEUTRAL for policy
|
|
||||||
lookup, and 3 strikes (no PTR, no HELO, no SPF) becomes "SPF NONE" for local
|
|
||||||
policy purposes (the Received-SPF header always shows the official SPF
|
|
||||||
result.)
|
|
||||||
<p>
|
|
||||||
You can change the default for specific domains:
|
|
||||||
<pre>
|
|
||||||
# these guys aren't going to pay attention to CBVs anyway...
|
|
||||||
SPF-None:cia.gov REJECT
|
|
||||||
SPF-None:fbi.gov REJECT
|
|
||||||
SPF-Neutral:aol.com REJECT
|
|
||||||
SPF-Softfail:ebay.com REJECT
|
|
||||||
</pre>
|
|
||||||
|
|
||||||
<h3> <a name="srs">Using SRS </a></h3>
|
|
||||||
|
|
||||||
<li> Q. The SRS part doesn't seem to work as whenever I try to start
|
|
||||||
<code>/etc/init.d/pysrs</code>, I get this in
|
|
||||||
<code>/var/log/milter/pysrs.log</code>:
|
|
||||||
<pre>
|
|
||||||
ConfigParser.NoOptionError: No option 'fwdomain' in section: 'srs'
|
|
||||||
</pre>
|
|
||||||
<p> A. You need to specify the forward domain - i.e. the domain you want
|
|
||||||
SRS to rewrite stuff too.
|
|
||||||
<p>
|
|
||||||
For instance, I have:
|
|
||||||
<pre>
|
|
||||||
# sample SRS configuration
|
|
||||||
[srs]
|
|
||||||
secret = don't you wish
|
|
||||||
maxage = 8
|
|
||||||
hashlength = 5
|
|
||||||
;database=/var/log/milter/srs.db
|
|
||||||
fwdomain = bmsi.com
|
|
||||||
sign=bmsi.com,mail.bmsi.com,gathman.org
|
|
||||||
srs=bmsaix.bmsi.com,bmsred.bmsi.com,stl.gathman.org,bampa.gathman.org
|
|
||||||
</pre>
|
|
||||||
The <code>sign</code> is for local domains which are signed.
|
|
||||||
The <code>srs</code> list is for other domains which you are relaying,
|
|
||||||
and which need to have SRS checked/undone for bounces.
|
|
||||||
|
|
||||||
</ol>
|
|
||||||
-23
@@ -1,23 +0,0 @@
|
|||||||
<!-- -*- html -*- -->
|
|
||||||
<h3>Subsections</h3>
|
|
||||||
<li><a href="milter.html">Introduction</a>
|
|
||||||
<li><a href="changes.html">Changes</a>
|
|
||||||
<li><a href="requirements.html">Requirements</a>
|
|
||||||
<li><a href="http://sourceforge.net/project/showfiles.php?group_id=139894">Download</a>
|
|
||||||
<li><a href="faq.html">FAQ</a>
|
|
||||||
<li><a href="policy.html">Policies</a>
|
|
||||||
<li><a href="logmsgs.html">Log Messages</a>
|
|
||||||
<li><a href="http://bmsi.com/mailman/listinfo/pymilter">Mailing List</a>
|
|
||||||
<li><a href="credits.html">CREDITS</a>
|
|
||||||
<li><a href="http://sourceforge.net"><img src="http://sflogo.sourceforge.net/sflogo.php?group_id=139894&type=1" width="88" height="31" border="0" alt="SourceForge.net Logo" /></a>
|
|
||||||
<h3>Links</h3>
|
|
||||||
<li><a href="http://www.milter.org/milter_api/api.html">C API</a>
|
|
||||||
<li><a href="http://www.milter.org/">Milter.Org</a>
|
|
||||||
<li><a href="http://www.python.org/">Python.Org</a>
|
|
||||||
<li><a href="http://www.sendmail.org/">Sendmail.Org</a>
|
|
||||||
<li><a href="http://www.openspf.org/">SPF</a>
|
|
||||||
<li><a href="pysrs.html">pysrs</a>
|
|
||||||
<li><a href="http://cheeseshop.python.org/pypi/pyspf">pyspf</a>
|
|
||||||
<li><a href="http://bmsi.com/python/pygossip.html">pygossip</a>
|
|
||||||
<li><a href="http://bmsi.com/python/dspam.html">pydspam</a>
|
|
||||||
<li><a href="http://bmsi.com/libdspam/dspam.html">libdspam</a>
|
|
||||||
@@ -1,91 +0,0 @@
|
|||||||
Title: Python Milter Log Documentation
|
|
||||||
<style>
|
|
||||||
DT { font-weight: bolder; padding-top: 1em }
|
|
||||||
</style>
|
|
||||||
|
|
||||||
<h1> Milter Log Documentation </h1>
|
|
||||||
|
|
||||||
The milter log from the bms.py application 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: pooh@bwicorp.com
|
|
||||||
<dd> message was sent to a honeypot address (pooh@bwicorp.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> REJECT: zombie PC at 192.168.3.37 sending MAIL FROM seajdr@amritind.com
|
|
||||||
<dd> message was rejected because the connect ip was internal, but the
|
|
||||||
sender was not. This is usually because a Windows PC is infected with
|
|
||||||
malware.
|
|
||||||
|
|
||||||
<dt> X-Guessed-SPF: pass
|
|
||||||
<dd> When the SPF result is NONE, we guess a result based on the generic
|
|
||||||
SPF policy "v=spf1 a/24 mx/24 ptr".
|
|
||||||
|
|
||||||
<dt> DSPAM: tonyc tonyc@example.com
|
|
||||||
<dd> message was sent to tonyc@example.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
|
|
||||||
<dt> Auto-Whitelist: user@example.com
|
|
||||||
<dd> recipient has been added to auto_whitelist.log because the message
|
|
||||||
was sent from an internal IP and the recipient is not internal.
|
|
||||||
<dt> WHITELIST user@example.com
|
|
||||||
<dd> message is whitelisted because sender appears in auto_whitelist.log
|
|
||||||
<dt> BLACKLIST user@example.com
|
|
||||||
<dd> message is blacklisted because sender appears in blacklist.log or
|
|
||||||
failed a CBV test.
|
|
||||||
<dt> TRAINSPAM: honeypot X-Dspam-Score: 0.002278
|
|
||||||
<dd> message was used to train screener dictionary as spam
|
|
||||||
<dt> TRAIN: honeypot X-Dspam-Score: 0.980203
|
|
||||||
<dd> message was used to train screener dictionary as ham
|
|
||||||
</dl>
|
|
||||||
<br>
|
|
||||||
-307
@@ -1,307 +0,0 @@
|
|||||||
Title: Python Milters
|
|
||||||
|
|
||||||
<P ALIGN="CENTER"><A HREF="http://www.anybrowser.org/campaign/">
|
|
||||||
<IMG SRC="http://bmsi.com/art/brain1.gif"
|
|
||||||
ALT="Viewable With Any Browser" BORDER="0"></A>
|
|
||||||
|
|
||||||
<img src="http://bmsi.com/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>
|
|
||||||
|
|
||||||
<img src="Maxwells.gif" alt="Maxwell's Daemon: pymilter mascot" align=left>
|
|
||||||
<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 Mar 30, 2007</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="http://bmsi.com/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.
|
|
||||||
|
|
||||||
<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 7.3</td><td>gcc-2.96</td><td>2.4.1</td><td>8.13.5</td>
|
|
||||||
<td>0.8.4</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>RedHat 9.0</td><td>gcc-3.2.2</td><td>2.4.1</td><td>8.13.1</td>
|
|
||||||
<td>0.8.2</td><tr>
|
|
||||||
<td>RedHat EL3</td><td>gcc-3.2.3</td><td>2.4.1</td><td>8.13.5</td>
|
|
||||||
<td>0.8.4</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>2.4.1</td><td>8.13.1</td>
|
|
||||||
<td>0.8.4</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>
|
|
||||||
</table>
|
|
||||||
|
|
||||||
<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('<copy-%s>' % 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.
|
|
||||||
|
|
||||||
|
|
||||||
<hr>
|
|
||||||
<p>
|
|
||||||
<a href="http://validator.w3.org/check/referer">
|
|
||||||
<img border=0 src="http://bmsi.com/vh32.png" alt=" [ Valid HTML 3.2! ] " height=31 width=88></a>
|
|
||||||
<a href="http://www.redhat.com">
|
|
||||||
<img src="http://bmsi.com/art/powered_by.gif" width="88" height="31" alt=" [ Powered By Red Hat Linux ] " border="0"></a>
|
|
||||||
</p>
|
|
||||||
-237
@@ -1,237 +0,0 @@
|
|||||||
Title: Python Milter Mail Policy
|
|
||||||
|
|
||||||
<h1> Python Milter Mail Policy </h1>
|
|
||||||
|
|
||||||
These are the policies implemented by the <code>bms.py</code> milter
|
|
||||||
application. The milter and Milter modules do not implement any policies
|
|
||||||
by themselves. Eventually, I'll get the bms.py milter moved to its
|
|
||||||
own package.
|
|
||||||
|
|
||||||
<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.
|
|
||||||
|
|
||||||
<!--table-stop-->
|
|
||||||
|
|
||||||
<h2> SPF check </h2>
|
|
||||||
|
|
||||||
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>
|
|
||||||
Binary file not shown.
|
Before Width: | Height: | Size: 2.7 KiB |
@@ -1,99 +0,0 @@
|
|||||||
Title: Requirements
|
|
||||||
|
|
||||||
<h2> Requirements </h2>
|
|
||||||
|
|
||||||
<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. The email support requires python 2.4.
|
|
||||||
<li> Python must be configured with thread support. This is because
|
|
||||||
pymilter uses sendmail's libmilter which 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> When compiling Python milter against sendmail versions earlier than
|
|
||||||
8.13, you must set MAX_ML_REPLY to 1 in setup.py. There is no way to tell from
|
|
||||||
the libmilter includes that smfi_setmlreply is not supported.
|
|
||||||
<li> You probably want to use sendmail-8.13, since that supports multi-line
|
|
||||||
SMTP error descriptions and SOCKETMAP. You want SOCKETMAP for use with
|
|
||||||
pysrs.
|
|
||||||
<li> Python milter has been tested against sendmail-8.11 through sendmail-8.13.
|
|
||||||
<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.
|
|
||||||
+1
-18
@@ -12,25 +12,8 @@ import StringIO
|
|||||||
import time
|
import time
|
||||||
import email
|
import email
|
||||||
from socket import AF_INET, AF_INET6
|
from socket import AF_INET, AF_INET6
|
||||||
|
from Milter import parse_addr
|
||||||
|
|
||||||
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']
|
|
||||||
"""
|
|
||||||
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:]]
|
|
||||||
return t.split('@')
|
|
||||||
|
|
||||||
class myMilter(Milter.Milter):
|
class myMilter(Milter.Milter):
|
||||||
|
|
||||||
|
|||||||
-217
@@ -1,217 +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. You probably need to change this.
|
|
||||||
# The default is a good guess to try and prevent newbie frustration.
|
|
||||||
internal_connect = 192.168.0.0/16,127.*
|
|
||||||
|
|
||||||
# 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
|
|
||||||
|
|
||||||
# Relaying to these domains is allowed from internal connections only.
|
|
||||||
;private_relay = mycorp.com
|
|
||||||
|
|
||||||
# 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
|
|
||||||
|
|
||||||
# Treat localparts in milter.cfg as case-insensitive
|
|
||||||
case_sensitive_localpart = true
|
|
||||||
|
|
||||||
# features intended to filter or block incoming mail
|
|
||||||
[defang]
|
|
||||||
|
|
||||||
# do virus scanning on attached messages also
|
|
||||||
scan_rfc822 = 0
|
|
||||||
# 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 = 0
|
|
||||||
# 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://www.openspf.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
|
|
||||||
# Connections that get an SPF pass for a pretend MAIL FROM of
|
|
||||||
# postmaster@sometrustedforwarder.com skip SPF checks for the real MAIL FROM.
|
|
||||||
# This is for non-SRS forwarders. It is a simple implementation that
|
|
||||||
# is inefficient for more than a few entries.
|
|
||||||
;trusted_forwarder = careerbuilder.com
|
|
||||||
|
|
||||||
# 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
|
|
||||||
# archive copies all delivered mail to a file
|
|
||||||
;mail_archive = /var/log/mail_archive
|
|
||||||
|
|
||||||
#
|
|
||||||
# smart aliases trigger on both sender and recipient
|
|
||||||
# alias = sender, recipient[, destination]
|
|
||||||
#
|
|
||||||
[smart_alias]
|
|
||||||
# multiple wiretap monitors. Smart aliases are applied after wiretap.
|
|
||||||
;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
|
|
||||||
;bulk1 = soruce@telex.com,larry@jsconnor.com,bulk
|
|
||||||
|
|
||||||
# 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
|
|
||||||
|
|
||||||
# Optional pygossip interface
|
|
||||||
#
|
|
||||||
# GOSSiP tracks reputation of domain:qualifier pairs. For instance,
|
|
||||||
# the reputation of example.com:SPF is tracked separately from
|
|
||||||
# example.com:neutral. Currently qualifiers are
|
|
||||||
# SPF,neutral,softfail,fail,permerror,GUESS,HELO
|
|
||||||
[gossip]
|
|
||||||
# Use a dedicated GOSSiP server. If not specified, a local database
|
|
||||||
# will be used.
|
|
||||||
;server=host:11900
|
|
||||||
# If a local database is used, also consult these GOSSiP servers about
|
|
||||||
# domains. Peer reputation is also tracked as to how often they
|
|
||||||
# agree with us, and weighted accordingly.
|
|
||||||
;peers=host1:port,host2
|
|
||||||
@@ -1,85 +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: /etc/mail/pymilter.cfg
|
|
||||||
# pidfile: /var/run/milter/milter.pid
|
|
||||||
|
|
||||||
python="python2.4"
|
|
||||||
|
|
||||||
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 $prog: "
|
|
||||||
if ! test -d /var/run/milter; then
|
|
||||||
mkdir -p /var/run/milter
|
|
||||||
chown mail:mail /var/run/milter
|
|
||||||
fi
|
|
||||||
daemon --check milter --user mail /var/log/milter/start.sh milter bms
|
|
||||||
RETVAL=$?
|
|
||||||
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
|
|
||||||
-85
@@ -1,85 +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: /etc/mail/pymilter.cfg
|
|
||||||
# pidfile: /var/run/milter/milter.pid
|
|
||||||
|
|
||||||
python="python2.4"
|
|
||||||
|
|
||||||
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 $prog: "
|
|
||||||
if ! test -d /var/run/milter; then
|
|
||||||
mkdir -p /var/run/milter
|
|
||||||
chown mail:mail /var/run/milter
|
|
||||||
fi
|
|
||||||
daemon --check milter --user mail /var/log/milter/start.sh milter bms
|
|
||||||
RETVAL=$?
|
|
||||||
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
|
|
||||||
-406
@@ -1,406 +0,0 @@
|
|||||||
%define name pymilter
|
|
||||||
%define version 0.8.8
|
|
||||||
%define release 1
|
|
||||||
# what version of RH are we building for?
|
|
||||||
%define redhat7 0
|
|
||||||
|
|
||||||
# Options for Redhat version 6.x:
|
|
||||||
# rpm -ba|--rebuild --define "rh7 1"
|
|
||||||
%{?rh7:%define redhat7 1}
|
|
||||||
|
|
||||||
# some systems dont have initrddir defined
|
|
||||||
%{?_initrddir:%define _initrddir /etc/rc.d/init.d}
|
|
||||||
|
|
||||||
%if %{redhat7}
|
|
||||||
# Redhat 7.x and earlier (multiple ps lines per thread)
|
|
||||||
%define sysvinit milter.rc7
|
|
||||||
%else
|
|
||||||
%define sysvinit milter.rc
|
|
||||||
%endif
|
|
||||||
# RH9, other systems (single ps line per process)
|
|
||||||
%ifos Linux
|
|
||||||
%define python python
|
|
||||||
%else
|
|
||||||
%define python python
|
|
||||||
%endif
|
|
||||||
%ifos aix4.1
|
|
||||||
%define libdir /var/log/milter
|
|
||||||
%else
|
|
||||||
%define libdir /usr/lib/pymilter
|
|
||||||
%endif
|
|
||||||
|
|
||||||
Summary: Python interface to sendmail milter API
|
|
||||||
Name: %{name}
|
|
||||||
Version: %{version}
|
|
||||||
Release: %{release}
|
|
||||||
Source: %{name}-%{version}.tar.gz
|
|
||||||
#Patch: %{name}-%{version}.patch
|
|
||||||
License: 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 >= 8.13
|
|
||||||
%ifos Linux
|
|
||||||
Requires: chkconfig
|
|
||||||
%endif
|
|
||||||
BuildRequires: %{python}-devel >= 2.4, 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.
|
|
||||||
|
|
||||||
%package -n milter
|
|
||||||
Group: Applications/System
|
|
||||||
Summary: BMS spam and reputation milter
|
|
||||||
Requires: pyspf >= 2.0.4
|
|
||||||
|
|
||||||
%description -n milter
|
|
||||||
A complex but effective spam filtering, SPF checking, and reputation tracking
|
|
||||||
mail application. It uses pydspam if installed for bayesian filtering.
|
|
||||||
|
|
||||||
%package spf
|
|
||||||
Group: Applications/System
|
|
||||||
Summary: BMS spam and reputation milter
|
|
||||||
Requires: pyspf >= 2.0.4
|
|
||||||
|
|
||||||
%description spf
|
|
||||||
A simple mail filter to add Received-SPF headers and reject forged mail.
|
|
||||||
Rejection policy is configured via sendmail access file.
|
|
||||||
|
|
||||||
%prep
|
|
||||||
%setup
|
|
||||||
#patch -p0 -b .bms
|
|
||||||
|
|
||||||
%build
|
|
||||||
%if %{redhat7}
|
|
||||||
LDFLAGS="-s"
|
|
||||||
%else # Redhat builds debug packages after 7.3
|
|
||||||
LDFLAGS="-g"
|
|
||||||
%endif
|
|
||||||
env CFLAGS="$RPM_OPT_FLAGS" LDFLAGS="$LDFLAGS" %{python} setup.py build
|
|
||||||
|
|
||||||
%install
|
|
||||||
rm -rf $RPM_BUILD_ROOT
|
|
||||||
%{python} setup.py install --root=$RPM_BUILD_ROOT --record=INSTALLED_FILES
|
|
||||||
grep '.pyc$' INSTALLED_FILES | sed -e 's/c$/o/' >>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
|
|
||||||
mkdir -p $RPM_BUILD_ROOT%{libdir}
|
|
||||||
cp *.txt $RPM_BUILD_ROOT/var/log/milter
|
|
||||||
cp bms.py spfmilter.py $RPM_BUILD_ROOT%{libdir}
|
|
||||||
cp milter.cfg $RPM_BUILD_ROOT/etc/mail/pymilter.cfg
|
|
||||||
cp spfmilter.cfg $RPM_BUILD_ROOT/etc/mail
|
|
||||||
|
|
||||||
# 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
|
|
||||||
}
|
|
||||||
/var/log/milter/banned_ips {
|
|
||||||
rotate 3
|
|
||||||
daily
|
|
||||||
copytruncate
|
|
||||||
}
|
|
||||||
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
|
|
||||||
# work around memory leak
|
|
||||||
/etc/init.d/milter condrestart
|
|
||||||
EOF
|
|
||||||
chmod a+x $RPM_BUILD_ROOT/etc/cron.daily/milter
|
|
||||||
|
|
||||||
%ifos aix4.1
|
|
||||||
cat >$RPM_BUILD_ROOT%{libdir}/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
|
|
||||||
cp start.sh $RPM_BUILD_ROOT%{libdir}
|
|
||||||
mkdir -p $RPM_BUILD_ROOT/etc/rc.d/init.d
|
|
||||||
cp %{sysvinit} $RPM_BUILD_ROOT/etc/rc.d/init.d/milter
|
|
||||||
cp spfmilter.rc $RPM_BUILD_ROOT/etc/rc.d/init.d/spfmilter
|
|
||||||
ed $RPM_BUILD_ROOT/etc/rc.d/init.d/milter <<'EOF'
|
|
||||||
/^python=/
|
|
||||||
c
|
|
||||||
python="%{python}"
|
|
||||||
.
|
|
||||||
w
|
|
||||||
q
|
|
||||||
EOF
|
|
||||||
ed $RPM_BUILD_ROOT/etc/rc.d/init.d/spfmilter <<'EOF'
|
|
||||||
/^python=/
|
|
||||||
c
|
|
||||||
python="%{python}"
|
|
||||||
.
|
|
||||||
w
|
|
||||||
q
|
|
||||||
EOF
|
|
||||||
ed $RPM_BUILD_ROOT%{libdir}/start.sh <<'EOF'
|
|
||||||
/^python=/
|
|
||||||
c
|
|
||||||
python="%{python}"
|
|
||||||
.
|
|
||||||
w
|
|
||||||
q
|
|
||||||
EOF
|
|
||||||
%endif
|
|
||||||
chmod a+x $RPM_BUILD_ROOT%{libdir}/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 %{libdir}/start.sh -u 25 -S -n 15 -f 9 -G mail || :
|
|
||||||
|
|
||||||
%preun
|
|
||||||
if [ $1 = 0 ]; then
|
|
||||||
rmssys -s milter || :
|
|
||||||
fi
|
|
||||||
%else
|
|
||||||
%post -n milter
|
|
||||||
#echo "pythonsock has moved to /var/run/milter, update /etc/mail/sendmail.cf"
|
|
||||||
/sbin/chkconfig --add milter
|
|
||||||
|
|
||||||
%preun -n milter
|
|
||||||
if [ $1 = 0 ]; then
|
|
||||||
/sbin/chkconfig --del milter
|
|
||||||
fi
|
|
||||||
%post spf
|
|
||||||
#echo "pythonsock has moved to /var/run/milter, update /etc/mail/sendmail.cf"
|
|
||||||
/sbin/chkconfig --add spfmilter
|
|
||||||
|
|
||||||
%preun spf
|
|
||||||
if [ $1 = 0 ]; then
|
|
||||||
/sbin/chkconfig --del spfmilter
|
|
||||||
fi
|
|
||||||
%endif
|
|
||||||
|
|
||||||
%clean
|
|
||||||
rm -rf $RPM_BUILD_ROOT
|
|
||||||
|
|
||||||
%files -f INSTALLED_FILES
|
|
||||||
%defattr(-,root,root)
|
|
||||||
%doc README HOWTO ChangeLog NEWS TODO CREDITS sample.py milter-template.py
|
|
||||||
%config %{libdir}/start.sh
|
|
||||||
|
|
||||||
%files -n milter
|
|
||||||
%defattr(-,root,root)
|
|
||||||
/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/log/milter/save
|
|
||||||
%config %{libdir}/bms.py
|
|
||||||
%{libdir}/bms.py?
|
|
||||||
%config(noreplace) /var/log/milter/strike3.txt
|
|
||||||
%config(noreplace) /var/log/milter/softfail.txt
|
|
||||||
%config(noreplace) /var/log/milter/fail.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
|
|
||||||
|
|
||||||
%files spf
|
|
||||||
%defattr(-,root,root)
|
|
||||||
%dir /var/log/milter
|
|
||||||
%{libdir}/spfmilter.py*
|
|
||||||
%config(noreplace) /etc/mail/spfmilter.cfg
|
|
||||||
/etc/rc.d/init.d/spfmilter
|
|
||||||
|
|
||||||
%changelog
|
|
||||||
* 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
|
|
||||||
- add sample spfmilter.py milter
|
|
||||||
- private_relay config option
|
|
||||||
- persist delayed DSN blacklisting
|
|
||||||
- handle gossip server restart without disabling gossip
|
|
||||||
- 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
|
|
||||||
- More lame bounce heuristics
|
|
||||||
- SPF moved to pyspf RPM
|
|
||||||
- wiretap archive option
|
|
||||||
- Do plain CBV if missing template
|
|
||||||
* Tue May 23 2006 Stuart Gathman <stuart@bmsi.com> 0.8.6-2
|
|
||||||
- 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.
|
|
||||||
* Thu Feb 23 2006 Stuart Gathman <stuart@bmsi.com> 0.8.6-1
|
|
||||||
- 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 and 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
|
|
||||||
* Thu Dec 29 2005 Stuart Gathman <stuart@bmsi.com> 0.8.5-1
|
|
||||||
- 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
|
|
||||||
* Fri Oct 21 2005 Stuart Gathman <stuart@bmsi.com> 0.8.4-2
|
|
||||||
- Don't supply sender when MFROM is subdomain of header from/sender.
|
|
||||||
- Don't send quarantine DSN for DSNs
|
|
||||||
- Skip dspam for replies/DSNs to signed MFROM
|
|
||||||
* 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
|
|
||||||
+94
-26
@@ -1,19 +1,20 @@
|
|||||||
/* Copyright (C) 2001 James Niemira (niemira@colltech.com, urmane@urmane.org)
|
/* Copyright (C) 2001 James Niemira (niemira@colltech.com, urmane@urmane.org)
|
||||||
* Portions Copyright (C) 2001,2002,2003,2004 Stuart Gathman (stuart@bmsi.com)
|
* Portions Copyright (C) 2001,2002,2003,2004,2005,2006,2007
|
||||||
|
* Stuart Gathman (stuart@bmsi.com)
|
||||||
*
|
*
|
||||||
* This program is free software; you can redistribute it and/or
|
* This program is free software: you can redistribute it and/or modify it
|
||||||
* modify it under the terms of the GNU General Public License
|
* under the terms of the GNU General Public License as published by the
|
||||||
* as published by the Free Software Foundation; either version 2
|
* Free Software Foundation, either version 2 of the License, or (at your
|
||||||
* of the License, or (at your option) any later version.
|
* option) any later version.
|
||||||
*
|
*
|
||||||
* This program is distributed in the hope that it will be useful,
|
* This program is distributed in the hope that it will be useful, but
|
||||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||||
* GNU General Public License for more details.
|
* General Public License for more details.
|
||||||
*
|
*
|
||||||
* You should have received a copy of the GNU General Public License
|
* You should have received a copy of the GNU General Public License along
|
||||||
* along with this program; if not, write to the Free Software
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
||||||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||||
*
|
*
|
||||||
* milterContext object and thread interface contributed by
|
* milterContext object and thread interface contributed by
|
||||||
* Stuart D. Gathman <stuart@bmsi.com>
|
* Stuart D. Gathman <stuart@bmsi.com>
|
||||||
@@ -34,6 +35,27 @@ $ python setup.py help
|
|||||||
libraries=["milter","smutil","resolv"]
|
libraries=["milter","smutil","resolv"]
|
||||||
|
|
||||||
* $Log$
|
* $Log$
|
||||||
|
* Revision 1.16 2008/12/16 04:21:05 customdesigned
|
||||||
|
* Fedora release
|
||||||
|
*
|
||||||
|
* Revision 1.15 2008/12/13 20:29:56 customdesigned
|
||||||
|
* Split off milter applications.
|
||||||
|
*
|
||||||
|
* Revision 1.14 2008/12/04 19:43:00 customdesigned
|
||||||
|
* Doc updates.
|
||||||
|
*
|
||||||
|
* Revision 1.13 2008/11/23 03:06:47 customdesigned
|
||||||
|
* Milter support for chgfrom.
|
||||||
|
*
|
||||||
|
* Revision 1.12 2008/11/21 20:42:52 customdesigned
|
||||||
|
* Support smfi_chgfrom and smfi_addrcpt_par.
|
||||||
|
*
|
||||||
|
* Revision 1.11 2007/09/25 02:26:29 customdesigned
|
||||||
|
* Update license.
|
||||||
|
*
|
||||||
|
* Revision 1.10 2006/02/12 02:00:42 customdesigned
|
||||||
|
* Resolve FIXME for wrap_close.
|
||||||
|
*
|
||||||
* Revision 1.9 2005/12/23 21:46:36 customdesigned
|
* Revision 1.9 2005/12/23 21:46:36 customdesigned
|
||||||
* Compile on sendmail-8.12 (ifdef SMFIR_INSHEADER)
|
* Compile on sendmail-8.12 (ifdef SMFIR_INSHEADER)
|
||||||
*
|
*
|
||||||
@@ -175,10 +197,10 @@ $ python setup.py help
|
|||||||
#endif
|
#endif
|
||||||
#define _FFR_MULTILINE (MAX_ML_REPLY > 1)
|
#define _FFR_MULTILINE (MAX_ML_REPLY > 1)
|
||||||
|
|
||||||
#include <pthread.h>
|
//#include <pthread.h> // shouldn't be needed - use Python API
|
||||||
#include <netinet/in.h>
|
#include <Python.h> // Python C API
|
||||||
#include <Python.h>
|
#include <libmilter/mfapi.h> // libmilter API
|
||||||
#include <libmilter/mfapi.h>
|
#include <netinet/in.h> // socket API
|
||||||
|
|
||||||
|
|
||||||
/* See if we have IPv4 and/or IPv6 support in this OS and in
|
/* See if we have IPv4 and/or IPv6 support in this OS and in
|
||||||
@@ -245,10 +267,10 @@ typedef struct {
|
|||||||
PyThreadState *t; /* python thread state */
|
PyThreadState *t; /* python thread state */
|
||||||
} milter_ContextObject;
|
} milter_ContextObject;
|
||||||
|
|
||||||
/* Return a borrowed reference to the python Context. Create a
|
/* Return a borrowed reference to the python Context. Called by callbacks
|
||||||
new Context if needed. The new Python Context is owned by
|
invoked by libmilter. Create a new Context if needed. The new
|
||||||
the SMFICTX. The python interpreter is locked on successful
|
Python Context is owned by the SMFICTX. The python interpreter is locked on
|
||||||
return, otherwise not. */
|
successful return, otherwise not. */
|
||||||
static milter_ContextObject *
|
static milter_ContextObject *
|
||||||
_get_context(SMFICTX *ctx) {
|
_get_context(SMFICTX *ctx) {
|
||||||
milter_ContextObject *self = smfi_getpriv(ctx);
|
milter_ContextObject *self = smfi_getpriv(ctx);
|
||||||
@@ -282,7 +304,8 @@ _get_context(SMFICTX *ctx) {
|
|||||||
return self;
|
return self;
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Find the SMFICTX from a Python Context. The interpreter must be locked. */
|
/* Find the SMFICTX from a Python Context. Called by context methods invoked
|
||||||
|
from python. The interpreter must be locked. */
|
||||||
static SMFICTX *
|
static SMFICTX *
|
||||||
_find_context(PyObject *c) {
|
_find_context(PyObject *c) {
|
||||||
SMFICTX *ctx = NULL;
|
SMFICTX *ctx = NULL;
|
||||||
@@ -335,6 +358,7 @@ static char milter_set_flags__doc__[] =
|
|||||||
Set flags for filter capabilities; OR of one or more of:\n\
|
Set flags for filter capabilities; OR of one or more of:\n\
|
||||||
ADDHDRS - filter may add headers\n\
|
ADDHDRS - filter may add headers\n\
|
||||||
CHGBODY - filter may replace body\n\
|
CHGBODY - filter may replace body\n\
|
||||||
|
CHGFROM - filter may replace body\n\
|
||||||
ADDRCPT - filter may add recipients\n\
|
ADDRCPT - filter may add recipients\n\
|
||||||
DELRCPT - filter may delete recipients\n\
|
DELRCPT - filter may delete recipients\n\
|
||||||
CHGHDRS - filter may change/delete headers";
|
CHGHDRS - filter may change/delete headers";
|
||||||
@@ -1009,6 +1033,30 @@ milter_addheader(PyObject *self, PyObject *args) {
|
|||||||
#endif
|
#endif
|
||||||
}
|
}
|
||||||
|
|
||||||
|
#ifdef SMFIF_CHGFROM
|
||||||
|
static char milter_chgfrom__doc__[] =
|
||||||
|
"chgfrom(sender,params) -> None\n\
|
||||||
|
Change the envelope sender (MAIL From) of the current message.\n\
|
||||||
|
A filter which calls smfi_chgfrom must have set the CHGFROM flag\n\
|
||||||
|
in set_flags() before calling register.\n\
|
||||||
|
This function can only be called from the EOM callback.";
|
||||||
|
static PyObject *
|
||||||
|
milter_chgfrom(PyObject *self, PyObject *args) {
|
||||||
|
char *sender;
|
||||||
|
char *params;
|
||||||
|
SMFICTX *ctx;
|
||||||
|
PyThreadState *t;
|
||||||
|
|
||||||
|
if (!PyArg_ParseTuple(args, "s|z:chgfrom", &sender, ¶ms))
|
||||||
|
return NULL;
|
||||||
|
ctx = _find_context(self);
|
||||||
|
if (ctx == NULL) return NULL;
|
||||||
|
t = PyEval_SaveThread();
|
||||||
|
return _thread_return(t,smfi_chgfrom(ctx, sender, params),
|
||||||
|
"cannot change sender");
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
static char milter_chgheader__doc__[] =
|
static char milter_chgheader__doc__[] =
|
||||||
"chgheader(field, int, value) -> None\n\
|
"chgheader(field, int, value) -> None\n\
|
||||||
Change/delete a header in the message. \n\
|
Change/delete a header in the message. \n\
|
||||||
@@ -1038,22 +1086,33 @@ milter_chgheader(PyObject *self, PyObject *args) {
|
|||||||
}
|
}
|
||||||
|
|
||||||
static char milter_addrcpt__doc__[] =
|
static char milter_addrcpt__doc__[] =
|
||||||
"addrcpt(string) -> None\n\
|
"addrcpt(string,params=None) -> None\n\
|
||||||
Add a recipient to the envelope. It must be in the same format\n\
|
Add a recipient to the envelope. It must be in the same format\n\
|
||||||
as is passed to the envrcpt callback in the first tuple element.\n\
|
as is passed to the envrcpt callback in the first tuple element.\n\
|
||||||
|
If params is used, you must pass ADDRCPT_PAR to set_flags().\n\
|
||||||
This function can only be called from the EOM callback.";
|
This function can only be called from the EOM callback.";
|
||||||
|
|
||||||
static PyObject *
|
static PyObject *
|
||||||
milter_addrcpt(PyObject *self, PyObject *args) {
|
milter_addrcpt(PyObject *self, PyObject *args) {
|
||||||
char *rcpt;
|
char *rcpt;
|
||||||
|
char *params = 0;
|
||||||
SMFICTX *ctx;
|
SMFICTX *ctx;
|
||||||
PyThreadState *t;
|
PyThreadState *t;
|
||||||
|
int rc;
|
||||||
|
|
||||||
if (!PyArg_ParseTuple(args, "s:addrcpt", &rcpt)) return NULL;
|
if (!PyArg_ParseTuple(args, "s|z:addrcpt", &rcpt, ¶ms)) return NULL;
|
||||||
ctx = _find_context(self);
|
ctx = _find_context(self);
|
||||||
if (ctx == NULL) return NULL;
|
if (ctx == NULL) return NULL;
|
||||||
t = PyEval_SaveThread();
|
t = PyEval_SaveThread();
|
||||||
return _thread_return(t,smfi_addrcpt(ctx, rcpt), "cannot add recipient");
|
if (params)
|
||||||
|
#ifdef SMFIF_ADDRCPT_PAR
|
||||||
|
rc = smfi_addrcpt_par(ctx,rcpt,params);
|
||||||
|
#else
|
||||||
|
rc = MI_FAILURE;
|
||||||
|
#endif
|
||||||
|
else
|
||||||
|
rc = smfi_addrcpt(ctx,rcpt);
|
||||||
|
return _thread_return(t,rc, "cannot add recipient");
|
||||||
}
|
}
|
||||||
|
|
||||||
static char milter_delrcpt__doc__[] =
|
static char milter_delrcpt__doc__[] =
|
||||||
@@ -1093,8 +1152,8 @@ milter_replacebody(PyObject *self, PyObject *args) {
|
|||||||
ctx = _find_context(self);
|
ctx = _find_context(self);
|
||||||
if (ctx == NULL) return NULL;
|
if (ctx == NULL) return NULL;
|
||||||
t = PyEval_SaveThread();
|
t = PyEval_SaveThread();
|
||||||
return _thread_return(t,smfi_replacebody(ctx, bodyp, bodylen),
|
return _thread_return(t,smfi_replacebody(ctx,
|
||||||
"cannot replace message body");
|
(unsigned char *)bodyp, bodylen), "cannot replace message body");
|
||||||
}
|
}
|
||||||
|
|
||||||
static char milter_setpriv__doc__[] =
|
static char milter_setpriv__doc__[] =
|
||||||
@@ -1194,6 +1253,9 @@ static PyMethodDef context_methods[] = {
|
|||||||
#endif
|
#endif
|
||||||
#ifdef SMFIR_PROGRESS
|
#ifdef SMFIR_PROGRESS
|
||||||
{ "progress", milter_progress, METH_VARARGS, milter_progress__doc__},
|
{ "progress", milter_progress, METH_VARARGS, milter_progress__doc__},
|
||||||
|
#endif
|
||||||
|
#ifdef SMFIF_CHGFROM
|
||||||
|
{ "chgfrom", milter_chgfrom, METH_VARARGS, milter_chgfrom__doc__},
|
||||||
#endif
|
#endif
|
||||||
{ NULL, NULL }
|
{ NULL, NULL }
|
||||||
};
|
};
|
||||||
@@ -1295,6 +1357,9 @@ initmilter(void) {
|
|||||||
setitem(d,"CHGBODY", SMFIF_CHGBODY);
|
setitem(d,"CHGBODY", SMFIF_CHGBODY);
|
||||||
setitem(d,"MODBODY", SMFIF_MODBODY);
|
setitem(d,"MODBODY", SMFIF_MODBODY);
|
||||||
setitem(d,"ADDRCPT", SMFIF_ADDRCPT);
|
setitem(d,"ADDRCPT", SMFIF_ADDRCPT);
|
||||||
|
#ifdef SMFIF_ADDRCPT_PAR
|
||||||
|
setitem(d,"ADDRCPT_PAR", SMFIF_ADDRCPT_PAR);
|
||||||
|
#endif
|
||||||
setitem(d,"DELRCPT", SMFIF_DELRCPT);
|
setitem(d,"DELRCPT", SMFIF_DELRCPT);
|
||||||
setitem(d,"CHGHDRS", SMFIF_CHGHDRS);
|
setitem(d,"CHGHDRS", SMFIF_CHGHDRS);
|
||||||
setitem(d,"V1_ACTS", SMFI_V1_ACTS);
|
setitem(d,"V1_ACTS", SMFI_V1_ACTS);
|
||||||
@@ -1302,6 +1367,9 @@ initmilter(void) {
|
|||||||
setitem(d,"CURR_ACTS", SMFI_CURR_ACTS);
|
setitem(d,"CURR_ACTS", SMFI_CURR_ACTS);
|
||||||
#ifdef SMFIF_QUARANTINE
|
#ifdef SMFIF_QUARANTINE
|
||||||
setitem(d,"QUARANTINE",SMFIF_QUARANTINE);
|
setitem(d,"QUARANTINE",SMFIF_QUARANTINE);
|
||||||
|
#endif
|
||||||
|
#ifdef SMFIF_CHGFROM
|
||||||
|
setitem(d,"CHGFROM",SMFIF_CHGFROM);
|
||||||
#endif
|
#endif
|
||||||
setitem(d,"CONTINUE", SMFIS_CONTINUE);
|
setitem(d,"CONTINUE", SMFIS_CONTINUE);
|
||||||
setitem(d,"REJECT", SMFIS_REJECT);
|
setitem(d,"REJECT", SMFIS_REJECT);
|
||||||
|
|||||||
-39
@@ -1,39 +0,0 @@
|
|||||||
To: %(sender)s
|
|
||||||
From: postmaster@%(receiver)s
|
|
||||||
Subject: SPF %(result)s (POSSIBLE FORGERY)
|
|
||||||
Auto-Submitted: auto-generated (sender verification)
|
|
||||||
|
|
||||||
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.
|
|
||||||
|
|
||||||
See http://openspf.org for details.
|
|
||||||
|
|
||||||
If you need further assistance, please do not hesitate to contact me.
|
|
||||||
|
|
||||||
Kind regards,
|
|
||||||
|
|
||||||
postmaster@%(receiver)s
|
|
||||||
@@ -1,35 +0,0 @@
|
|||||||
To: %(sender)s
|
|
||||||
From: postmaster@%(receiver)s
|
|
||||||
Subject: Critical SPF configuration error
|
|
||||||
Auto-Submitted: auto-generated (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
|
|
||||||
Received-SPF: %(spf_result)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
|
|
||||||
+125
@@ -0,0 +1,125 @@
|
|||||||
|
# EL 3,4,5 supported, set to 0 for Fedora
|
||||||
|
|
||||||
|
%if 0%{?el3} || 0%{?el4}
|
||||||
|
%define __python python2.4
|
||||||
|
%endif
|
||||||
|
|
||||||
|
%define libdir %{_libdir}/pymilter
|
||||||
|
%{!?python_sitearch: %define python_sitearch %(%{__python} -c "from distutils.sysconfig import get_python_lib; print get_python_lib(1)")}
|
||||||
|
%define pythonbase %(basename %{__python})
|
||||||
|
|
||||||
|
Summary: Python interface to sendmail milter API
|
||||||
|
Name: pymilter
|
||||||
|
Version: 0.9.1
|
||||||
|
Release: 1%{dist}
|
||||||
|
Source: http://downloads.sourceforge.net/pymilter/%{name}-%{version}.tar.gz
|
||||||
|
Patch: %{name}-smutil.patch
|
||||||
|
Patch1: %{name}-start.patch
|
||||||
|
License: GPLv2+
|
||||||
|
Group: Development/Libraries
|
||||||
|
BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
|
||||||
|
Url: http://www.bmsi.com/python/milter.html
|
||||||
|
Requires: %{pythonbase} >= 2.4, sendmail >= 8.13
|
||||||
|
%if 0%{?el3} || 0%{?el4}
|
||||||
|
# Need python2.4 specific pydns, not the version for system python
|
||||||
|
Requires: pydns
|
||||||
|
%else
|
||||||
|
# Needed for callbacks, not a core function but highly useful for milters
|
||||||
|
Requires: python-pydns
|
||||||
|
%endif
|
||||||
|
BuildRequires: ed, %{pythonbase}-devel >= 2.4, 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
|
||||||
|
%patch -p0 -b .smutil
|
||||||
|
%patch1 -p0 -b .start
|
||||||
|
|
||||||
|
%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 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
|
||||||
|
* 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
|
||||||
@@ -1,42 +0,0 @@
|
|||||||
To: %(sender)s
|
|
||||||
From: postmaster@%(receiver)s
|
|
||||||
Subject: DELIVERY STATUS (POSSIBLE SPAM)
|
|
||||||
Auto-Submitted: auto-generated (content analysis)
|
|
||||||
|
|
||||||
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 never sent the above message, 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://www.openspf.org
|
|
||||||
|
|
||||||
Your mail admin needs to publish a strict SPF record so that I can reject
|
|
||||||
those forgeries instead of bugging you with them.
|
|
||||||
|
|
||||||
If you need further assistance, please do not hesitate to contact me.
|
|
||||||
|
|
||||||
Kind regards,
|
|
||||||
|
|
||||||
postmaster@%(receiver)s
|
|
||||||
-38
@@ -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
|
|
||||||
@@ -1,138 +0,0 @@
|
|||||||
# Analyze milter log to find abusers
|
|
||||||
import traceback
|
|
||||||
import sys
|
|
||||||
|
|
||||||
def parse_addr(a):
|
|
||||||
beg = a.find('<')
|
|
||||||
end = a.find('>')
|
|
||||||
if beg >= 0:
|
|
||||||
if end > beg: return a[beg+1:end]
|
|
||||||
return a
|
|
||||||
|
|
||||||
class Connection(object):
|
|
||||||
def __init__(self,dt,tm,id,ip=None,conn=None):
|
|
||||||
self.dt = dt
|
|
||||||
self.tm = tm
|
|
||||||
self.id = id
|
|
||||||
if ip:
|
|
||||||
_,self.host,self.ip = ip.split(None,2)
|
|
||||||
elif conn:
|
|
||||||
self.ip = conn.ip
|
|
||||||
self.host = conn.host
|
|
||||||
self.helo = conn.helo
|
|
||||||
self.subject = None
|
|
||||||
self.rcpt = []
|
|
||||||
self.mfrom = None
|
|
||||||
self.helo = None
|
|
||||||
self.innoc = []
|
|
||||||
self.whitelist = False
|
|
||||||
|
|
||||||
def connections(fp):
|
|
||||||
conndict = {}
|
|
||||||
termdict = {}
|
|
||||||
for line in fp:
|
|
||||||
if line.startswith('{'): continue
|
|
||||||
a = line.split(None,4)
|
|
||||||
if len(a) < 4: continue
|
|
||||||
dt,tm,id,op = a[:4]
|
|
||||||
if (id,op) == ('bms','milter'):
|
|
||||||
# FIXME: optionally yield all partial connections in conndict
|
|
||||||
conndict = {}
|
|
||||||
termdict = {}
|
|
||||||
continue
|
|
||||||
if id[0] == '[' and id[-1] == ']':
|
|
||||||
try:
|
|
||||||
key = int(id[1:-1])
|
|
||||||
except:
|
|
||||||
print >>sys.stderr,'bad id:',line.rstrip()
|
|
||||||
continue
|
|
||||||
else: continue
|
|
||||||
if op == 'connect':
|
|
||||||
ip = a[4].rstrip()
|
|
||||||
conn = Connection(dt,tm,id,ip=ip)
|
|
||||||
conndict[key] = conn
|
|
||||||
elif op in (
|
|
||||||
'DISCARD:','TAG:','CBV:','Large','No',
|
|
||||||
'NOTE:','From:','Sender:','TRAIN:'):
|
|
||||||
continue
|
|
||||||
else:
|
|
||||||
op = op.lower()
|
|
||||||
try:
|
|
||||||
conn = conndict[key]
|
|
||||||
except KeyError:
|
|
||||||
try:
|
|
||||||
conn = termdict[key]
|
|
||||||
del termdict[key]
|
|
||||||
conndict[key] = conn
|
|
||||||
except KeyError:
|
|
||||||
print >>sys.stderr,'key error:',line.rstrip()
|
|
||||||
continue
|
|
||||||
try:
|
|
||||||
if op == 'subject:':
|
|
||||||
if len(a) > 4:
|
|
||||||
conn.subject = a[4].rstrip()
|
|
||||||
elif op == 'innoc:':
|
|
||||||
conn.innoc.append(a[4].rstrip())
|
|
||||||
elif op == 'whitelist':
|
|
||||||
conn.whitelist = True
|
|
||||||
elif op == 'x-mailer:':
|
|
||||||
if len(a) > 4:
|
|
||||||
conn.mailer = a[4].rstrip()
|
|
||||||
elif op == 'x-guessed-spf:':
|
|
||||||
conn.spfguess = a[4]
|
|
||||||
elif op == 'received-spf:':
|
|
||||||
conn.spfres,conn.spfmsg = a[4].rstrip().split(None,1)
|
|
||||||
elif op == 'received:':
|
|
||||||
conn.received = a[4].rstrip()
|
|
||||||
elif op == 'temp':
|
|
||||||
_,conn.tempfile = a[4].rstrip().split(None,1)
|
|
||||||
elif op == 'srs':
|
|
||||||
_,conn.srsrcpt = a[4].rstrip().split(None,1)
|
|
||||||
elif op == 'mail':
|
|
||||||
_,conn.mfrom = a[4].rstrip().split(None,1)
|
|
||||||
elif op == 'rcpt':
|
|
||||||
_,rcpt = a[4].rstrip().split(None,1)
|
|
||||||
conn.rcpt.append(rcpt)
|
|
||||||
elif op == 'hello':
|
|
||||||
_,conn.helo = a[4].rstrip().split(None,1)
|
|
||||||
elif op in ('eom','dspam','abort'):
|
|
||||||
del conndict[key]
|
|
||||||
conn.enddt = dt
|
|
||||||
conn.endtm = tm
|
|
||||||
conn.result = op
|
|
||||||
yield conn
|
|
||||||
termdict[key] = Connection(conn.dt,conn.tm,conn.id,conn=conn)
|
|
||||||
elif op in ('reject:','dspam:','tempfail:','reject','fail:','honeypot:'):
|
|
||||||
del conndict[key]
|
|
||||||
conn.enddt = dt
|
|
||||||
conn.endtm = tm
|
|
||||||
conn.result = op
|
|
||||||
conn.resmsg = a[4].rstrip()
|
|
||||||
yield conn
|
|
||||||
termdict[key] = Connection(conn.dt,conn.tm,conn.id,conn=conn)
|
|
||||||
elif op in ('fp:','spam:'):
|
|
||||||
del conndict[key]
|
|
||||||
termdict[key] = Connection(conn.dt,conn.tm,conn.id,conn=conn)
|
|
||||||
else:
|
|
||||||
print >>sys.stderr,'unknown op:',line.rstrip()
|
|
||||||
except Exception:
|
|
||||||
print >>sys.stderr,'error:',line.rstrip()
|
|
||||||
traceback.print_exc()
|
|
||||||
|
|
||||||
if __name__ == '__main__':
|
|
||||||
import gzip
|
|
||||||
for fn in sys.argv[1:]:
|
|
||||||
if fn.endswith('.gz'):
|
|
||||||
fp = gzip.open(fn)
|
|
||||||
else:
|
|
||||||
fp = open(fn)
|
|
||||||
for conn in connections(fp):
|
|
||||||
if conn.rcpt and conn.mfrom:
|
|
||||||
for r in conn.rcpt:
|
|
||||||
if r.lower().find('iancarter') > 0: break
|
|
||||||
else:
|
|
||||||
if conn.mfrom.lower().find('iancarter') < 0: continue
|
|
||||||
print >>sys.stderr,conn.result,conn.dt,conn.tm,conn.id,conn.subject,parse_addr(conn.mfrom),
|
|
||||||
for a in conn.rcpt:
|
|
||||||
print parse_addr(a),
|
|
||||||
print
|
|
||||||
@@ -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_
|
|
||||||
@@ -2,10 +2,12 @@ import os
|
|||||||
import sys
|
import sys
|
||||||
from distutils.core import setup, Extension
|
from distutils.core import setup, Extension
|
||||||
|
|
||||||
# FIXME: on some versions of sendmail, smutil is renamed to sm
|
# FIXME: on some versions of sendmail, smutil is renamed to sm.
|
||||||
# on slackware and debian, leave it out entirely. It depends
|
# On slackware and debian, leave it out entirely. It depends
|
||||||
# on how libmilter was built by the sendmail package.
|
# on how libmilter was built by the sendmail package.
|
||||||
libs = ["milter", "smutil"]
|
#libs = ["milter", "smutil"]
|
||||||
|
libs = ["milter"]
|
||||||
|
libdirs = ["/usr/lib/libmilter"] # needed for Debian
|
||||||
|
|
||||||
# patch distutils if it can't cope with the "classifiers" or
|
# patch distutils if it can't cope with the "classifiers" or
|
||||||
# "download_url" keywords
|
# "download_url" keywords
|
||||||
@@ -15,7 +17,7 @@ if sys.version < '2.2.3':
|
|||||||
DistributionMetadata.download_url = None
|
DistributionMetadata.download_url = None
|
||||||
|
|
||||||
# NOTE: importing Milter to obtain version fails when milter.so not built
|
# NOTE: importing Milter to obtain version fails when milter.so not built
|
||||||
setup(name = "pymilter", version = '0.8.8',
|
setup(name = "pymilter", version = '0.9.1',
|
||||||
description="Python interface to sendmail milter API",
|
description="Python interface to sendmail milter API",
|
||||||
long_description="""\
|
long_description="""\
|
||||||
This is a python extension module to enable python scripts to
|
This is a python extension module to enable python scripts to
|
||||||
@@ -33,6 +35,7 @@ sending DSNs or doing CBVs.
|
|||||||
packages = ['Milter'],
|
packages = ['Milter'],
|
||||||
ext_modules=[
|
ext_modules=[
|
||||||
Extension("milter", ["miltermodule.c"],
|
Extension("milter", ["miltermodule.c"],
|
||||||
|
library_dirs=libdirs,
|
||||||
libraries=libs,
|
libraries=libs,
|
||||||
# set MAX_ML_REPLY to 1 for sendmail < 8.13
|
# set MAX_ML_REPLY to 1 for sendmail < 8.13
|
||||||
define_macros = [ ('MAX_ML_REPLY',32) ]
|
define_macros = [ ('MAX_ML_REPLY',32) ]
|
||||||
|
|||||||
@@ -1,28 +0,0 @@
|
|||||||
To: %(sender)s
|
|
||||||
From: postmaster@%(receiver)s
|
|
||||||
Subject: SPF %(result)s (POSSIBLE FORGERY)
|
|
||||||
Auto-Submitted: auto-generated (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
|
|
||||||
Received-SPF: %(spf_result)s
|
|
||||||
|
|
||||||
Your sender policy indicated that the above email was likely forged and that
|
|
||||||
feedback was desired for debugging. 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
|
|
||||||
@@ -1,20 +0,0 @@
|
|||||||
[milter]
|
|
||||||
# The socket used to communicate with sendmail
|
|
||||||
socketname = /var/run/milter/spfmiltersock
|
|
||||||
# Name of the milter given to sendmail
|
|
||||||
name = pyspffilter
|
|
||||||
# Trusted relays such as secondary MXes that should not have SPF checked.
|
|
||||||
;trusted_relay =
|
|
||||||
# Internal networks that should not have SPF checked.
|
|
||||||
internal_connect = 127.0.0.1,192.168.0.0/16,10.0.0.0/8
|
|
||||||
|
|
||||||
# See http://www.openspf.com for more info on SPF.
|
|
||||||
[spf]
|
|
||||||
# Use sendmail access map or similar format for detailed spf policy.
|
|
||||||
# SPF entries in the access map will override defaults.
|
|
||||||
access_file = /etc/mail/access.db
|
|
||||||
# Connections that get an SPF pass for a pretend MAIL FROM of
|
|
||||||
# postmaster@sometrustedforwarder.com skip SPF checks for the real MAIL FROM.
|
|
||||||
# This is for non-SRS forwarders. It is a simple implementation that
|
|
||||||
# is inefficient for more than a few entries.
|
|
||||||
;trusted_forwarder = careerbuilder.com
|
|
||||||
-253
@@ -1,253 +0,0 @@
|
|||||||
# A simple SPF milter.
|
|
||||||
# You must install pyspf for this to work.
|
|
||||||
|
|
||||||
# http://www.sendmail.org/doc/sendmail-current/libmilter/docs/installation.html
|
|
||||||
|
|
||||||
# Author: Stuart D. Gathman <stuart@bmsi.com>
|
|
||||||
# Copyright 2007 Business Management Systems, Inc.
|
|
||||||
# This code is under GPL. See COPYING for details.
|
|
||||||
|
|
||||||
import sys
|
|
||||||
import Milter
|
|
||||||
import spf
|
|
||||||
import syslog
|
|
||||||
import anydbm
|
|
||||||
from Milter.config import MilterConfigParser
|
|
||||||
from Milter.utils import iniplist,parse_addr
|
|
||||||
|
|
||||||
syslog.openlog('spfmilter',0,syslog.LOG_MAIL)
|
|
||||||
|
|
||||||
class Config(object):
|
|
||||||
"Hold configuration options."
|
|
||||||
pass
|
|
||||||
|
|
||||||
def read_config(list):
|
|
||||||
"Return new config object."
|
|
||||||
cp = MilterConfigParser()
|
|
||||||
cp.read(list)
|
|
||||||
if cp.has_option('milter','datadir'):
|
|
||||||
os.chdir(cp.get('milter','datadir'))
|
|
||||||
conf = Config()
|
|
||||||
conf.socketname = cp.getdefault('milter','socketname', '/tmp/spfmiltersock')
|
|
||||||
conf.miltername = cp.getdefault('milter','name','pyspffilter')
|
|
||||||
conf.trusted_relay = cp.getlist('milter','trusted_relay')
|
|
||||||
conf.internal_connect = cp.getlist('milter','internal_connect')
|
|
||||||
conf.trusted_forwarder = cp.getlist('spf','trusted_relay')
|
|
||||||
conf.access_file = cp.getdefault('spf','access_file',None)
|
|
||||||
return conf
|
|
||||||
|
|
||||||
class SPFPolicy(object):
|
|
||||||
"Get SPF policy by result from sendmail style access file."
|
|
||||||
def __init__(self,sender,access_file=None):
|
|
||||||
self.sender = sender
|
|
||||||
self.domain = sender.split('@')[-1].lower()
|
|
||||||
if access_file:
|
|
||||||
try: acf = anydbm.open(access_file,'r')
|
|
||||||
except: acf = None
|
|
||||||
else: acf = None
|
|
||||||
self.acf = acf
|
|
||||||
|
|
||||||
def getPolicy(self,pfx):
|
|
||||||
acf = self.acf
|
|
||||||
if not acf: return None
|
|
||||||
try:
|
|
||||||
return acf[pfx + self.sender]
|
|
||||||
except KeyError:
|
|
||||||
try:
|
|
||||||
return acf[pfx + self.domain]
|
|
||||||
except KeyError:
|
|
||||||
try:
|
|
||||||
return acf[pfx]
|
|
||||||
except KeyError:
|
|
||||||
return None
|
|
||||||
|
|
||||||
class spfMilter(Milter.Milter):
|
|
||||||
"Milter to check SPF. Each connection gets its own instance."
|
|
||||||
|
|
||||||
def log(self,*msg):
|
|
||||||
syslog.syslog('[%d] %s' % (self.id,' '.join([str(m) for m in msg])))
|
|
||||||
|
|
||||||
def __init__(self):
|
|
||||||
self.mailfrom = None
|
|
||||||
self.id = Milter.uniqueID()
|
|
||||||
# we don't want config used to change during a connection
|
|
||||||
self.conf = config
|
|
||||||
|
|
||||||
# addheader can only be called from eom(). This accumulates added headers
|
|
||||||
# which can then be applied by alter_headers()
|
|
||||||
def add_header(self,name,val,idx=-1):
|
|
||||||
self.new_headers.append((name,val,idx))
|
|
||||||
self.log('%s: %s' % (name,val))
|
|
||||||
|
|
||||||
def connect(self,hostname,unused,hostaddr):
|
|
||||||
self.internal_connection = False
|
|
||||||
self.trusted_relay = False
|
|
||||||
self.hello_name = None
|
|
||||||
# sometimes people put extra space in sendmail config, so we strip
|
|
||||||
self.receiver = self.getsymval('j').strip()
|
|
||||||
if hostaddr and len(hostaddr) > 0:
|
|
||||||
ipaddr = hostaddr[0]
|
|
||||||
if iniplist(ipaddr,self.conf.internal_connect):
|
|
||||||
self.internal_connection = True
|
|
||||||
if iniplist(ipaddr,self.conf.trusted_relay):
|
|
||||||
self.trusted_relay = True
|
|
||||||
else: ipaddr = ''
|
|
||||||
self.connectip = ipaddr
|
|
||||||
if self.internal_connection:
|
|
||||||
connecttype = 'INTERNAL'
|
|
||||||
else:
|
|
||||||
connecttype = 'EXTERNAL'
|
|
||||||
if self.trusted_relay:
|
|
||||||
connecttype += ' TRUSTED'
|
|
||||||
self.log("connect from %s at %s %s" % (hostname,hostaddr,connecttype))
|
|
||||||
return Milter.CONTINUE
|
|
||||||
|
|
||||||
def hello(self,hostname):
|
|
||||||
self.hello_name = hostname
|
|
||||||
self.log("hello from %s" % hostname)
|
|
||||||
return Milter.CONTINUE
|
|
||||||
|
|
||||||
# multiple messages can be received on a single connection
|
|
||||||
# envfrom (MAIL FROM in the SMTP protocol) seems to mark the start
|
|
||||||
# of each message.
|
|
||||||
def envfrom(self,f,*str):
|
|
||||||
self.log("mail from",f,str)
|
|
||||||
if not self.hello_name:
|
|
||||||
self.log('REJECT: missing HELO')
|
|
||||||
self.setreply('550','5.7.1',"It's polite to say helo first.")
|
|
||||||
return Milter.REJECT
|
|
||||||
self.mailfrom = f
|
|
||||||
self.new_headers = []
|
|
||||||
t = parse_addr(f)
|
|
||||||
if len(t) == 2: t[1] = t[1].lower()
|
|
||||||
self.canon_from = '@'.join(t)
|
|
||||||
if not (self.internal_connection or self.trusted_relay) and self.connectip:
|
|
||||||
rc = self.check_spf()
|
|
||||||
if rc != Milter.CONTINUE: return rc
|
|
||||||
return Milter.CONTINUE
|
|
||||||
|
|
||||||
def envrcpt(self,f,*str):
|
|
||||||
return Milter.CONTINUE
|
|
||||||
|
|
||||||
def header(self,name,hval):
|
|
||||||
return Milter.CONTINUE
|
|
||||||
|
|
||||||
def eoh(self):
|
|
||||||
return Milter.CONTINUE
|
|
||||||
|
|
||||||
def eom(self):
|
|
||||||
for name,val,idx in self.new_headers:
|
|
||||||
try:
|
|
||||||
self.addheader(name,val,idx)
|
|
||||||
except:
|
|
||||||
self.addheader(name,val) # older sendmail can't insheader
|
|
||||||
return Milter.CONTINUE
|
|
||||||
|
|
||||||
def close(self):
|
|
||||||
return Milter.CONTINUE
|
|
||||||
|
|
||||||
def check_spf(self):
|
|
||||||
receiver = self.receiver
|
|
||||||
for tf in self.conf.trusted_forwarder:
|
|
||||||
q = spf.query(self.connectip,'',tf,receiver=receiver,strict=False)
|
|
||||||
res,code,txt = q.check()
|
|
||||||
if res == 'pass':
|
|
||||||
self.log("TRUSTED_FORWARDER:",tf)
|
|
||||||
break
|
|
||||||
else:
|
|
||||||
q = spf.query(self.connectip,self.canon_from,self.hello_name,
|
|
||||||
receiver=receiver,strict=False)
|
|
||||||
q.set_default_explanation(
|
|
||||||
'SPF fail: see http://openspf.org/why.html?sender=%s&ip=%s' % (q.s,q.i))
|
|
||||||
res,code,txt = q.check()
|
|
||||||
if res not in ('pass','temperror'):
|
|
||||||
if self.mailfrom != '<>':
|
|
||||||
# check hello name via spf unless spf pass
|
|
||||||
h = spf.query(self.connectip,'',self.hello_name,receiver=receiver)
|
|
||||||
hres,hcode,htxt = h.check()
|
|
||||||
if hres in ('deny','fail','neutral','softfail'):
|
|
||||||
self.log('REJECT: hello SPF: %s 550 %s' % (hres,htxt))
|
|
||||||
self.setreply('550','5.7.1',htxt,
|
|
||||||
"The hostname given in your MTA's HELO response is not listed",
|
|
||||||
"as a legitimate MTA in the SPF records for your domain. If you",
|
|
||||||
"get this bounce, the message was not in fact a forgery, and you",
|
|
||||||
"should IMMEDIATELY notify your email administrator of the problem."
|
|
||||||
)
|
|
||||||
return Milter.REJECT
|
|
||||||
else:
|
|
||||||
hres,hcode,htxt = res,code,txt
|
|
||||||
else: hres = None
|
|
||||||
|
|
||||||
p = SPFPolicy(q.s,self.conf.access_file)
|
|
||||||
|
|
||||||
if res == 'fail':
|
|
||||||
policy = p.getPolicy('spf-fail:')
|
|
||||||
if not policy or policy == 'REJECT':
|
|
||||||
self.log('REJECT: SPF %s %i %s' % (res,code,txt))
|
|
||||||
self.setreply(str(code),'5.7.1',txt)
|
|
||||||
# A proper SPF fail error message would read:
|
|
||||||
# forger.biz [1.2.3.4] is not allowed to send mail with the domain
|
|
||||||
# "forged.org" in the sender address. Contact <postmaster@forged.org>.
|
|
||||||
return Milter.REJECT
|
|
||||||
if res == 'softfail':
|
|
||||||
policy = p.getPolicy('spf-softfail:')
|
|
||||||
if policy and policy == 'REJECT':
|
|
||||||
self.log('REJECT: SPF %s %i %s' % (res,code,txt))
|
|
||||||
self.setreply(str(code),'5.7.1',txt)
|
|
||||||
# A proper SPF fail error message would read:
|
|
||||||
# forger.biz [1.2.3.4] is not allowed to send mail with the domain
|
|
||||||
# "forged.org" in the sender address. Contact <postmaster@forged.org>.
|
|
||||||
return Milter.REJECT
|
|
||||||
elif res == 'permerror':
|
|
||||||
policy = p.getPolicy('spf-permerror:')
|
|
||||||
if not policy or policy == 'REJECT':
|
|
||||||
self.log('REJECT: SPF %s %i %s' % (res,code,txt))
|
|
||||||
# latest SPF draft recommends 5.5.2 instead of 5.7.1
|
|
||||||
self.setreply(str(code),'5.5.2',txt,
|
|
||||||
'There is a fatal syntax error in the SPF record for %s' % q.o,
|
|
||||||
'We cannot accept mail from %s until this is corrected.' % q.o
|
|
||||||
)
|
|
||||||
return Milter.REJECT
|
|
||||||
elif res == 'temperror':
|
|
||||||
policy = p.getPolicy('spf-temperror:')
|
|
||||||
if not policy or policy == 'REJECT':
|
|
||||||
self.log('TEMPFAIL: SPF %s %i %s' % (res,code,txt))
|
|
||||||
self.setreply(str(code),'4.3.0',txt)
|
|
||||||
return Milter.TEMPFAIL
|
|
||||||
elif res == 'neutral' or res == 'none':
|
|
||||||
policy = p.getPolicy('spf-neutral:')
|
|
||||||
if policy and policy == 'REJECT':
|
|
||||||
self.log('REJECT NEUTRAL:',q.s)
|
|
||||||
self.setreply('550','5.7.1',
|
|
||||||
"%s requires and SPF PASS to accept mail from %s. [http://openspf.org]"
|
|
||||||
% (receiver,q.s))
|
|
||||||
return Milter.REJECT
|
|
||||||
elif res == 'pass':
|
|
||||||
policy = p.getPolicy('spf-pass:')
|
|
||||||
if policy and policy == 'REJECT':
|
|
||||||
self.log('REJECT PASS:',q.s)
|
|
||||||
self.setreply('550','5.7.1',
|
|
||||||
"%s has been blacklisted by %s." % (q.s,receiver))
|
|
||||||
return Milter.REJECT
|
|
||||||
self.add_header('Received-SPF',q.get_header(res,receiver),0)
|
|
||||||
if hres and q.h != q.o:
|
|
||||||
self.add_header('X-Hello-SPF',hres,0)
|
|
||||||
return Milter.CONTINUE
|
|
||||||
|
|
||||||
if __name__ == "__main__":
|
|
||||||
Milter.factory = spfMilter
|
|
||||||
Milter.set_flags(Milter.CHGHDRS + Milter.ADDHDRS)
|
|
||||||
global config
|
|
||||||
config = read_config(['spfmilter.cfg','/etc/mail/spfmilter.cfg'])
|
|
||||||
miltername = config.miltername
|
|
||||||
socketname = config.socketname
|
|
||||||
print """To use this with sendmail, add the following to sendmail.cf:
|
|
||||||
|
|
||||||
O InputMailFilters=%s
|
|
||||||
X%s, S=local:%s
|
|
||||||
|
|
||||||
See the sendmail README for libmilter.
|
|
||||||
sample spfmilter startup""" % (miltername,miltername,socketname)
|
|
||||||
sys.stdout.flush()
|
|
||||||
Milter.runmilter("pyspffilter",socketname,240)
|
|
||||||
print "sample spfmilter shutdown"
|
|
||||||
@@ -1,85 +0,0 @@
|
|||||||
#!/bin/bash
|
|
||||||
#
|
|
||||||
# spfmilter This shell script takes care of starting and stopping spfmilter.
|
|
||||||
#
|
|
||||||
# chkconfig: 2345 80 30
|
|
||||||
# description: a process that checks SPF for messages sent through sendmail.
|
|
||||||
# processname: spfmilter
|
|
||||||
# config: /etc/mail/spfmilter.cfg
|
|
||||||
# pidfile: /var/run/milter/spfmilter.pid
|
|
||||||
|
|
||||||
python="python2.4"
|
|
||||||
|
|
||||||
pidof() {
|
|
||||||
set - ""
|
|
||||||
if set - `ps -e -o pid,cmd | grep "${python} spfmilter.py"` &&
|
|
||||||
[ "$2" != "grep" ]; then
|
|
||||||
echo $1
|
|
||||||
return 0
|
|
||||||
fi
|
|
||||||
return 1
|
|
||||||
}
|
|
||||||
|
|
||||||
# Source function library.
|
|
||||||
. /etc/rc.d/init.d/functions
|
|
||||||
|
|
||||||
[ -x /usr/lib/pymilter/start.sh ] || exit 0
|
|
||||||
|
|
||||||
RETVAL=0
|
|
||||||
prog="spfmilter"
|
|
||||||
|
|
||||||
start() {
|
|
||||||
# Start daemons.
|
|
||||||
|
|
||||||
echo -n "Starting $prog: "
|
|
||||||
if ! test -d /var/run/milter; then
|
|
||||||
mkdir -p /var/run/milter
|
|
||||||
chown mail:mail /var/run/milter
|
|
||||||
fi
|
|
||||||
daemon --check milter --user mail /usr/lib/pymilter/start.sh spfmilter
|
|
||||||
RETVAL=$?
|
|
||||||
echo
|
|
||||||
[ $RETVAL -eq 0 ] && touch /var/lock/subsys/spfmilter
|
|
||||||
return $RETVAL
|
|
||||||
}
|
|
||||||
|
|
||||||
stop() {
|
|
||||||
# Stop daemons.
|
|
||||||
echo -n "Shutting down $prog: "
|
|
||||||
killproc milter
|
|
||||||
RETVAL=$?
|
|
||||||
echo
|
|
||||||
[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/spfmilter
|
|
||||||
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/spfmilter ]; then
|
|
||||||
stop
|
|
||||||
start
|
|
||||||
RETVAL=$?
|
|
||||||
fi
|
|
||||||
;;
|
|
||||||
status)
|
|
||||||
status spfmilter
|
|
||||||
RETVAL=$?
|
|
||||||
;;
|
|
||||||
*)
|
|
||||||
echo "Usage: $0 {start|stop|restart|condrestart|status}"
|
|
||||||
exit 1
|
|
||||||
esac
|
|
||||||
|
|
||||||
exit $RETVAL
|
|
||||||
@@ -1,16 +1,16 @@
|
|||||||
#!/bin/sh
|
#!/bin/sh
|
||||||
appname="$1"
|
appname="$1"
|
||||||
script="${2:-${appname}}"
|
script="${2:-${appname}}"
|
||||||
datadir=/var/log/milter
|
datadir="/var/log/milter"
|
||||||
|
piddir="/var/run/milter"
|
||||||
|
libdir="/usr/lib/pymilter"
|
||||||
python="python2.4"
|
python="python2.4"
|
||||||
exec >>${datadir}/${appname}.log 2>&1
|
exec >>${datadir}/${appname}.log 2>&1
|
||||||
if test -s ${datadir}/${script}.py; then
|
if test -s ${datadir}/${script}.py; then
|
||||||
cd ${datadir} # use version in log dir if it exists for debugging
|
cd ${datadir} # use version in log dir if it exists for debugging
|
||||||
else
|
else
|
||||||
cd /usr/lib/pymilter
|
cd ${libdir}
|
||||||
fi
|
fi
|
||||||
|
|
||||||
cd /var/log/milter
|
${python} ${script}.py &
|
||||||
exec >>${appname}.log 2>&1
|
echo $! >${piddir}/${appname}.pid
|
||||||
${python} ${appname}.py &
|
|
||||||
echo $! >/var/run/milter/${appname}.pid
|
|
||||||
|
|||||||
-69
@@ -1,69 +0,0 @@
|
|||||||
To: %(sender)s
|
|
||||||
From: postmaster@%(receiver)s
|
|
||||||
Subject: Critical mail server configuration error
|
|
||||||
Auto-Submitted: auto-generated (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.org
|
|
||||||
|
|
||||||
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
|
|
||||||
@@ -1,5 +1,4 @@
|
|||||||
import unittest
|
import unittest
|
||||||
import testbms
|
|
||||||
import testmime
|
import testmime
|
||||||
import testsample
|
import testsample
|
||||||
import testutils
|
import testutils
|
||||||
@@ -7,7 +6,6 @@ import os
|
|||||||
|
|
||||||
def suite():
|
def suite():
|
||||||
s = unittest.TestSuite()
|
s = unittest.TestSuite()
|
||||||
s.addTest(testbms.suite())
|
|
||||||
s.addTest(testmime.suite())
|
s.addTest(testmime.suite())
|
||||||
s.addTest(testsample.suite())
|
s.addTest(testsample.suite())
|
||||||
s.addTest(testutils.suite())
|
s.addTest(testutils.suite())
|
||||||
|
|||||||
-323
@@ -1,323 +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@example.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 testFindsrs(self):
|
|
||||||
if not bms.srs:
|
|
||||||
import SRS
|
|
||||||
bms.srs = SRS.new(secret='test')
|
|
||||||
sender = bms.srs.forward('foo@bar.com','mail.example.com')
|
|
||||||
sndr = bms.findsrs(StringIO.StringIO(
|
|
||||||
"""Received: from [1.16.33.86] (helo=mail.example.com)
|
|
||||||
by bastion4.mail.zen.co.uk with smtp (Exim 4.50) id 1H3IBC-00013b-O9
|
|
||||||
for foo@bar.com; Sat, 06 Jan 2007 20:30:17 +0000
|
|
||||||
X-Mailer: "PyMilter-0.8.5"
|
|
||||||
<%s> foo
|
|
||||||
MIME-Version: 1.0
|
|
||||||
Content-Type: text/plain
|
|
||||||
To: foo@bar.com
|
|
||||||
From: postmaster@mail.example.com
|
|
||||||
""" % sender
|
|
||||||
))
|
|
||||||
self.assertEqual(sndr,'foo@bar.com')
|
|
||||||
|
|
||||||
# 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())
|
|
||||||
Reference in New Issue
Block a user