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Posted to dev@spamassassin.apache.org by bu...@bugzilla.spamassassin.org on 2009/02/14 20:11:45 UTC
[Bug 6067] New: 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
Summary: SpamAssassin is currently unable to reliably detect The
Bat! by Message-ID; rule FORGED_MUA_THEBAT_MSGID is
missing
Product: Spamassassin
Version: 3.2.5
Platform: Other
OS/Version: All
Status: NEW
Severity: enhancement
Priority: P5
Component: Rules
AssignedTo: dev@spamassassin.apache.org
ReportedBy: max@ritlabs.com
A reliable way to detect The Bat! is by message-id, not by x-mailer.
Here is the Delphi code from The Bat! that makes the message-id:
Result := Format('<%d%d.%4.4d%2.2d%2.2d%2.2d%2.2d%2.2d@%s>',
[Random(200), Random(MaxInt div 200), Year,
Month, Day, Hour, Min, Sec, S]);
where
* Random(n) gives [0..n-1]
* MaxInt div 200 = 10737418
* Year, Month, Day, Hour, Min, Sec are in local time
* S contains an FQDN
For example, Message-ID: <17...@ritlabs.com>
We should add the following rule:
meta FORGED_MUA_THEBAT_MSGID (__THEBAT_MUA && !__BAT_MSGID)
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[Bug 6067] SpamAssassin is currently unable to reliably detect The
Bat! by Message-ID; rule FORGED_MUA_THEBAT_MSGID is missing
Posted by bu...@bugzilla.spamassassin.org.
https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6067
Justin Mason <jm...@jmason.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|Undefined |3.2.6
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[Bug 6067] SpamAssassin is currently unable to reliably detect The
Bat! by Message-ID; rule FORGED_MUA_THEBAT_MSGID is missing
Posted by bu...@bugzilla.spamassassin.org.
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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[Bug 6067] SpamAssassin is currently unable to reliably detect The
Bat! by Message-ID; rule FORGED_MUA_THEBAT_MSGID is missing
Posted by bu...@bugzilla.spamassassin.org.
https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6067
Justin Mason <jm...@jmason.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|3.2.6 |3.3.0
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[Bug 6067] SpamAssassin is currently unable to reliably detect The
Bat! by Message-ID; rule FORGED_MUA_THEBAT_MSGID is missing
Posted by bu...@bugzilla.spamassassin.org.
https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6067
Justin Mason <jm...@jmason.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |WONTFIX
Target Milestone|3.3.0 |3.2.6
--- Comment #2 from Justin Mason <jm...@jmason.org> 2009-03-29 13:17:22 PST ---
closing, as per prev comment
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