[ mailman-Patches-1803606 ] FORGED_MUA_THEBAT_CS: The Bat! and Spamassassin
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Thu Sep 27 16:02:54 CEST 2007
Patches item #1803606, was opened at 2007-09-27 16:02
Message generated for change (Comment added) made by julianladisch
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Category: mail delivery
Group: Mailman 2.2 / 3.0
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Julian Ladisch (julianladisch)
Assigned to: Nobody/Anonymous (nobody)
Summary: FORGED_MUA_THEBAT_CS: The Bat! and Spamassassin
Initial Comment:
The mail user agent "The Bat!" creates header lines like this if there is some non-ascii character like a umlaut (ä):
X-Mailer: The Bat! (v2.00)
Content-Type: text/plain; charset=ISO-8859-15
"The Bat!" never puts quotes around the charset. Mailman's Decorate.py changes this to:
X-Mailer: The Bat! (v2.00)
Content-Type: text/plain; charset="iso-8859-15"
Spamassassin has a spam detection rule that triggeres if X-Mailer contains "The Bat!" and there are quotes around the charset. The rule is named FORGED_MUA_THEBAT_CS and is located in rules/20_ratware.cf
http://svn.apache.org/repos/asf/spamassassin/tags/spamassassin_release_3_2_3/rules/20_ratware.cf
My patch renames X-Mailer to X-X-Mailer. That prevents triggering the rule without information loss.
I've tested the patch that applies to 2.1.7 and it works for me. I havn't tested the patch for trunk (8228).
----------------------------------------------------------------------
>Comment By: Julian Ladisch (julianladisch)
Date: 2007-09-27 16:02
Message:
Logged In: YES
user_id=561017
Originator: YES
File Added: Decorate.py-8228.diff
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