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Posted to dev@spamassassin.apache.org by bu...@bugzilla.spamassassin.org on 2009/03/02 19:05:38 UTC

[Bug 6067] SpamAssassin is currently unable to reliably detect The Bat! by Message-ID; rule FORGED_MUA_THEBAT_MSGID is missing

https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6067


Justin Mason <jm...@jmason.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Depends on|                            |6068




--- Comment #1 from Justin Mason <jm...@jmason.org>  2009-03-02 10:05:37 PST ---
hi Maxim -- just got a chance to look at this.

We *did* have a Bat!-message-id-recognition rule, but we found that it got
higher false positive rates than other rules that looked for other aspects of
Bat! formatting.  Unfortunately a small but significant number of mailing lists
rewrite the Message ID -- more than rewrite other aspects of the message.

You can see the discussion here:

https://issues.apache.org/SpamAssassin/show_bug.cgi?id=2294#c8

'Note that FORGED_MUA_THEBAT_BOUN and FORGED_THEBAT_HTML catch very nearly the
same amount of stuff as FORGED_MUA_THEBAT, without any false positives; also
note that we *keep* running into gateways mangling the message-ids, and wierd
bug reports like this.   So I suggest we just nuke FORGED_MUA_THEBAT in 2.61
(and possibly tweak scores a little to make up, if required -- but I doubt it
will be.)'

bug 6068 -- using the Date: header formatting -- might be useful as an
alternative, however.


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