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@@ -24,9 +24,9 @@ ALT="Viewable With Any Browser" BORDER="0"></A>
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Stuart D. Gathman</a><br>
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This web page is written by Stuart D. Gathman<br>and<br>sponsored by
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<a href="http://www.bmsi.com">Business Management Systems, Inc.</a> <br>
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Last updated Jan 05, 2005</h4>
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Last updated May 31, 2005</h4>
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See the <a href="faq.html">FAQ</a> | <a href="#download">Download now</a> |
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See the <a href="faq.html">FAQ</a> | <a href="http://sourceforge.net/project/showfiles.php?group_id=139894">Download now</a> |
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<a href="/mailman/listinfo/pymilter">Subscribe to mailing list</a> |
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<a href="#overview">Overview</a>
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<p>
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@@ -44,6 +44,10 @@ I recommend upgrading.
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<h2> Recent Changes </h2>
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Python milter is being moved to
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<a href="http://sourceforge.net/projects/pymilter/">Sourceforge</a> for
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development.
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<p>
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Release 0.7.2 tightens the authentication screws with a "3 strikes and
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your out" policy. A sender must have a valid PTR, HELO, or SPF record
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to send email. Specific senders can be whitelisted using the
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@@ -222,300 +226,9 @@ content filtering. SPF checking
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requires <a href="http://pydns.sourceforge.net/">
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pydns</a>. Configuration documentation is currently included as comments
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in the <a href="milter.cfg">sample config file</a> for the bms.py milter.
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<h3><a name=download>Downloading</a></h3>
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The latest stable release is <a href="#stable">0.7.2</a>. A stable
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release is one which has been installed (and working correctly) on
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production systems long enough to convince me that it is stable. As
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the package gains more features and complexity, stable will mean no
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bug reports from outside users either.
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<p>
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The latest version is 0.7.2-2. See the <a href=NEWS>Change Log</a>.
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PLEASE NOTE - if you are using the modules, but not the bms milter application,
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then ignore the RPMs and milter.spec. Use 'python setup.py bdist_rpm' to
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build source and binary rpms that do not include the milter application.
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<p>
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I want to split the bms milter application to a new project once I figure
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out the renaming. The current plan is to rename 'milter' to 'pymilter', which
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will have the Python modules. The bms milter application will still be named
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'milter' and depend on pymilter (so that my installs won't notice anything).
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<p>
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<a name="stable"><b>Stable</b></a>
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<a href="http://bmsi.com/python/milter-0.7.2.tar.gz">
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milter-0.7.2.tar.gz</a> Three strikes and your out policy. Some SPF fixes.
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Recognizes PTR records for dynamic IPs.
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<br>
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<a href="http://bmsi.com/linux/rh72/milter-0.7.2-2.i386.rpm">
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milter-0.7.2-2.i386.rpm</a> Binary RPM for Redhat 7.x, now requires
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sendmail-8.12 and <a href="http://www.python.org/2.3.3/rpms.html">
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python2.3</a>.
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<br>
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<a href="http://bmsi.com/linux/rh9/milter-0.7.2-2rh9.i386.rpm">
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milter-0.7.2-2rh9.i386.rpm</a> Binary RPM for Redhat 9, now requires
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sendmail-8.12 and <a href="http://www.python.org/2.3.3/rpms.html">
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python2.3</a>.
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<br>
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<a href="http://bmsi.com/linux/rh9/milter-0.7.2-2.src.rpm">
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milter-0.7.2-2.src.rpm</a> Source RPM for Redhat 9,7.x.
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<p>
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<a href="http://bmsi.com/python/milter-0.7.1.tar.gz">
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milter-0.7.1.tar.gz</a> Support setmlreply, handle some more exceptions
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for malformed spam. Compiling pymilter with sendmail-8.12.10, requires
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sendmail-devel with _FFR_MULTILINE set. The binary will work with older
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sendmails. The _FFR_MULTILINE option only affects libmilter.a.
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<br>
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<a href="http://bmsi.com/linux/rh72/milter-0.7.1-1.i386.rpm">
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milter-0.7.1-1.i386.rpm</a> Binary RPM for Redhat 7.x, now requires
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sendmail-8.12 and <a href="http://www.python.org/2.3.3/rpms.html">
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python2.3</a>.
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<br>
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<a href="http://bmsi.com/linux/rh9/milter-0.7.1-1.src.rpm">
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milter-0.7.1-1.src.rpm</a> Source RPM for Redhat 9,7.x.
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<p>
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<a href="http://bmsi.com/python/milter-0.7.0.tar.gz">
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milter-0.7.0.tar.gz</a> Move config file and default socket location.
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Parse M$ CID records.
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<br>
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<a href="http://bmsi.com/linux/rh72/milter-0.7.0-1.i386.rpm">
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milter-0.7.0-1.i386.rpm</a> Binary RPM for Redhat 7.x, now requires
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sendmail-8.12 and <a href="http://www.python.org/2.3.3/rpms.html">
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python2.3</a>.
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<br>
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<a href="http://bmsi.com/linux/rh9/milter-0.7.0-1rh9.i386.rpm">
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milter-0.7.0-1rh9.i386.rpm</a> Binary RPM for Redhat 9, requires
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sendmail-8.12 and <a href="http://www.python.org/2.3.3/rpms.html">
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python2.3</a>.
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<br>
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<a href="http://bmsi.com/aix/milter-0.7.0-1.ppc.rpm">
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milter-0.7.0-1.ppc.rpm</a> Binary RPM for AIX, requires sendmail-8.13.1.
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<br>
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<a href="http://bmsi.com/linux/rh9/milter-0.7.0-1.src.rpm">
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milter-0.7.0-1.src.rpm</a> Source RPM for Redhat 9,7.x.
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<p>
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<a href="http://bmsi.com/python/milter-0.6.9.tar.gz">
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milter-0.6.9.tar.gz</a> Add SPF test suite driver, and validate
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spf.py against test suite. Add best_guess and get_header to spf.py.
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Libmilter timeout option in config.
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<br>
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<a href="http://bmsi.com/linux/rh72/milter-0.6.9-1.i386.rpm">
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milter-0.6.9-1.i386.rpm</a> Binary RPM for Redhat 7.x, now requires
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sendmail-8.12 and <a href="http://www.python.org/2.3.3/rpms.html">
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python2.3</a>.
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<br>
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<a href="http://bmsi.com/linux/rh9/milter-0.6.9-1.src.rpm">
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milter-0.6.9-1.src.rpm</a> Source RPM for Redhat 9,7.x.
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<p>
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<a href="http://bmsi.com/python/milter-0.6.8.tar.gz">
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milter-0.6.8.tar.gz</a> Include Received-SPF headers in Dspam analysis.
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Fix sysv init for Redhat 9 and later. Reject bounces with multiple
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recipients.
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<br>
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<a href="http://bmsi.com/python/milter-0.6.8.patch">milter-0.6.8.patch</a>
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Last minutes fixes from production testing.
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<p>
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<a href="http://bmsi.com/linux/rh72/milter-0.6.8-3.i386.rpm">
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milter-0.6.8-3.i386.rpm</a> Binary RPM for Redhat 7.x, now requires
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sendmail-8.12 and <a href="http://www.python.org/2.3.3/rpms.html">
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python2.3</a>.
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<br>
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<a href="http://bmsi.com/linux/rh9/milter-0.6.8-3.src.rpm">
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milter-0.6.8-3.src.rpm</a> Source RPM for Redhat 9,7.x.
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<p>
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<a href="http://bmsi.com/python/milter-0.6.7.tar.gz">
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milter-0.6.7.tar.gz</a> Explicit local socket bug,
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<a href="http://spf.pobox.com/srs.html">SRS</a> forgery detection,
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thread resource starvation detection.
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SRS support requires <a href="http://bmsi.com/python/pysrs.html">pysrs</a>.
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<p>
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<a href="http://bmsi.com/linux/rh72/milter-0.6.7-3.i386.rpm">
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milter-0.6.7-3.i386.rpm</a> Binary RPM for Redhat 7.x, now requires
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sendmail-8.12 and <a href="http://www.python.org/2.3.3/rpms.html">
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python2.3</a>.
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<br>
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<a href="http://bmsi.com/linux/rh72/milter-0.6.7-3.src.rpm">
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milter-0.6.7-3.src.rpm</a> Source RPM for Redhat 7.x.
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Release 0.6.7-3 patches:
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<ul>
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<li> Defang message/rfc822 content_type with boundary
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<li> Support SPF delegation
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<li> Reject neutral SPF result for selected domains
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</ul>
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<p>
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<a href="http://bmsi.com/python/milter-0.6.6.tar.gz">
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milter-0.6.6.tar.gz</a> Plug another memory leak,
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<a href="http://spf.pobox.com/">SPF</a> support, hello blacklist.
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SPF support requires <a href="http://pydns.sourceforge.net/">pydns</a>.
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NOTE - the spf.py module included is modified from the official 1.6
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version at <a href="http://www.wayforward.net/spf/">wayforward.net</a>.
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I neglected to add the CVS log. The changes are expanded result codes
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and tolerating common method misspellings in SPF records. I have notified the
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author, but haven't heard back. At some point, the RPM will
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include the official pyspf tarball and apply patches.
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<p>
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<a href="http://bmsi.com/linux/rh72/milter-0.6.6-2.i386.rpm">
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milter-0.6.6-2.i386.rpm</a> Binary RPM for Redhat 7.x, now requires
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sendmail-8.12 and <a href="http://www.python.org/2.3.3/rpms.html">
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python2.3</a>. Release 2 fixes sysv init script bug for python2.3.
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<br>
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<a href="http://bmsi.com/linux/rh72/milter-0.6.6-2.src.rpm">
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milter-0.6.6-2.src.rpm</a> Source RPM for Redhat 7.x
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<p>
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<a href="http://bmsi.com/python/milter-0.6.5.tar.gz">
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milter-0.6.5.tar.gz</a> Plug memory leak, progress reporting, trusted relay.
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Redhat RPM now requires sendmail-8.12.
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<p>
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<a href="http://bmsi.com/linux/rh72/milter-0.6.5-2.i386.rpm">
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milter-0.6.5-2.i386.rpm</a> Binary RPM for Redhat 7.x
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<br>
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<a href="http://bmsi.com/linux/rh72/milter-0.6.5-2.src.rpm">
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milter-0.6.5-2.src.rpm</a> Source RPM for Redhat 7.x
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<p>
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<a href="http://bmsi.com/python/milter-0.6.4.tar.gz">
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milter-0.6.4.tar.gz</a> Numerous Dspam fixes. Requires
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<a href="dspam.html">pydspam-1.1.5</a> and
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<a href="/libdspam/dspam.html">dspam-2.6.5.2</a>
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for Dspam features. The dspam-python RPM has been replaced by pydspam.
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<p>
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<a href="http://bmsi.com/linux/rh72/milter-0.6.4-1.i386.rpm">
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milter-0.6.4-1.i386.rpm</a> Binary RPM for Redhat 7.x
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<p>
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<a href="http://bmsi.com/python/milter-0.6.3.1.tar.gz">
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milter-0.6.3.1.tar.gz</a> New dspam SCREENER feature with pydspam-1.1.4.
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Don't save a defang copy of false positives. Fixed an oops from last fix,
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rejecting false positives. BUG: sendmail-8.11 doesn't invoke milter
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when sending mail via sendmail from command line (8.12 works). Therefore,
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the supplied falsepositive script for milter based dspam doesn't work
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with stock RedHat 7.x. I am writing a HOWTO for configuring milter
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based dspam that will address this (and a fix in the next version).
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<p>
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<a href="http://bmsi.com/linux/rh72/milter-0.6.3-1.i386.rpm">
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milter-0.6.3-1.i386.rpm</a> Binary RPM for Redhat 7.x
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<p>
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<a href="http://bmsi.com/python/milter-0.6.2.tar.gz">
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milter-0.6.2.tar.gz</a> work around email.Message.get_filename bug,
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dspam_exempt list, REJECT messages with missing MIME boundaries (which
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are almost always spam),
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DISCARD messages which any dspam user flags as spam,
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start.sh was calling python instead of python2 on Linux.
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<p>
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<a href="http://bmsi.com/linux/rh72/milter-0.6.2-1.src.rpm">
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milter-0.6.2-1.src.rpm</a> Source RPM for Redhat 7.x (and likely
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higher versions)
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<p>
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<a href="http://bmsi.com/python/milter-0.6.1.tar.gz">
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milter-0.6.1.tar.gz</a> dspam milter application, python-2.2.3 support.
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<p>
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You must have <a href=dspam.html>dspam and dspam-python</a> loaded for
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the dspam feature to work. Brief instructions for configuring are
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in the default config file. This is working at a customer, but I'm
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sure a few more iterations will be required to make setup as smooth
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as possible.
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<p>
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NOTE: Outlook destroys dspam tags when forwarding mail (while converting
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HTML to text). Perhaps some config option will turn this abominable
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"feature" off. Working around this by making dspam tags visble on
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HTML mail is ugly. My suggestion is to not use Outlook, for this and
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many other reasons - especially security. Any other suggestions for
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those married to Microsoft are welcome. The DSPAM LDA works around this
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by making the tags visible in HTML attachments. This is ugly, and
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occasionally corrupts attachments.
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<p>
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We have to supply workarounds for bugs in the email module (reported
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to sourceforge). The workarounds reference some internal variables
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which change with python versions.
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<p>
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<a href="http://bmsi.com/linux/rh72/milter-0.6.1-1.i386.rpm">
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milter-0.6.1-1.i386.rpm</a> Binary RPM for Redhat 7.x
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<p>
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<a href="http://bmsi.com/linux/rh72/milter-0.6.1-1.src.rpm">
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milter-0.6.1-1.src.rpm</a> Source RPM for Redhat 7.x (and likely
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higher versions)
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<p>
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<a href="http://bmsi.com/python/milter-0.6.0.tar.gz">
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milter-0.6.0.tar.gz</a> simple dspam pre-filtering, use email module,
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requires python >= 2.2.2.
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<ul>
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<li> The milter.so module from 0.5.4
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is needed to run this release on AIX. Haven't tracked this down yet.
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<li> The patches to fix the email packages in mime.py don't work
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on python-2.2.3. The email package is still broken in 2.3, and patches
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required for that will likely be different still.
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</ul>
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<p>
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<a href="http://bmsi.com/linux/rh72/milter-0.6.0-1.i386.rpm">
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milter-0.6.0-1.i386.rpm</a> Binary RPM for Redhat 7.x
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<p>
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<a href="http://bmsi.com/linux/rh72/milter-0.6.0-1.src.rpm">
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milter-0.6.0-1.src.rpm</a> Source RPM for Redhat 7.x (and likely
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higher versions)
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<p>
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<a href="http://www.bmsi.com/python/milter-0.5.5.tar.gz">
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milter-0.5.5.tar.gz</a> IPV6 support, passing None to set_XXX_callback,
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set_reply, chg_header, detect internal connections. Note, this release
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did not work on AIX4.1.5, probably due to IPV6 support breaking something.
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The milter.so module from 0.5.4 can be installed to use this release
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with AIX.
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<p>
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<a href="http://www.bmsi.com/python/milter-0.5.4.tar.gz">
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milter-0.5.4.tar.gz</a> wiretap, smart alias features, quarantine support.
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<p>
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The name of the production "sample" milter "bms.py" now
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stands for "Basic Milter System" until someone suggests a better name.
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The test coverage is rather
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sparse at present.
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Please <a href="mailto:%73%74%75%61%72%74%40%62%6D%73%69%2E%63%6F%6D">email</a> with proposals for what
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to name the milter application.
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<h4>NOTES</h4>
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<ul>
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<li>
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Quarantine support requires that you define _FFR_QUARANTINE
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when compiling miltermodule.c. I am not sure how to make setup.py
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do that for you iff sendmail was actually compiled with _FFR_QUARANTINE.
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<li>
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While 0.6.0 will use the new email package in Python-2.2, that
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package seems to be buggy in Python-2.2.1. The list example in the docs
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doesn't find all MIME parts. Update: Python-2.2.2 has fixed the email
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package. It can now parse my test cases.
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<li>
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Preliminary testing with python-2.2 shows that most things work after
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adding <code>self.readahead = ""</code> to <code>mimepart.seek</code>.
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Python-2.2 <code>multifile</code> reads one less newline per section than
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2.1. I'm not not sure which is correct. After adding some calls to
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<code>rstrip()</code> in testmime.py, all milter modules pass unit testing
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with python-2.2. Python-2.2 patches have been released since 0.5.3.
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<li>
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sgmlop-1.1a3 has a memory leak (at least Python milter has a
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memory leak when using sgmlop instead of sgmllib). Do not make Python
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milter use sgmlop-1.1a2 or a3 in a production
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system unless you can restart your milter periodically. The amount
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of memory leaked seems roughly proportional to the amount of HTML
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parsed.
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<li>
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There are a number of ways that malformed MIME attachments
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can cause a python traceback. Uncaught exceptions cause a 415
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error to be returned to sendmail. So far, all the malformed messages
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I've investigated have been SPAM - so good riddance. I would prefer,
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however, that the mime handling libraries were more precise. Beginning
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with 0.5.1, bms.py will save messages that cause a traceback during
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scanning in the tempfile directory with a ".fail" extension. This
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makes it easier to get samples of mail that causes parsing problems
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for incorporation into the unit tests.
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</ul>
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<p>
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<a href="http://www.bmsi.com/python/milter-0.5.2.tar.gz">
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milter-0.5.2.tar.gz</a> Fix and unittest another HTML parsing bug.<br>
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<a href="http://www.bmsi.com/python/milter-0.5.1.tar.gz">
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milter-0.5.1.tar.gz</a> Handle encoded rfc822 attachments.<br>
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<a href="http://www.bmsi.com/python/milter-0.5.0.tar.gz">
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milter-0.5.0.tar.gz</a> Use a config file so users don't have to
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keep syncing with bms.py. <br>
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<a href="http://www.bmsi.com/python/milter-0.4.5.tar.gz">
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milter-0.4.5.tar.gz</a> Work with sgmlop. Reduce local hacks to config variables.
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<p>
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Python milter is under GPL. The authors can probably be convinced to
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change this to LGPL.
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change this to LGPL if needed.
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<h3>What is a <a name="milter">milter</a>?</h3>
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