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May 27, 2008, 2:30 AM
Post #4 of 5
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[Bug 5041] [review] do not use body/rawbody rules on CType 'message/partial '
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https://issues.apache.org/SpamAssassin/show_bug.cgi?id=5041
--- Comment #31 from Justin Mason <jm[at]jmason.org> 2008-05-27 02:30:39 PST ---
This gets trickier. message/partial can also contain headers -- not just the
message body. So a message/partial can override the To:, From: or Subject:
header easily enough. hmm... I'm starting to not like the current proposal :(
Should we change this algorithm?
- for the first chunk of a message/partial, decode and render it correctly.
- if the first chunk is less than some reasonable length threshold, fire an
additional penalty rule. (This is to avoid spammers fragmenting a message into
tiny chunks such that the first chunk contains nothing nasty)
- if the first chunk contains just message headers but no body, fire another
penalty. (this is to avoid spammers fragmenting so that the "real" body appears
in later, ignored chunks)
- for the second and later chunks, ignore but fire FRAGMENTED_MESSAGE.
ugh, this is tricky. suggestions?
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