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From Happy Chap ...@happychap.plus.com>
Subject Text contained in HTML comments causing BAYES_00 to classify as non-spam
Date Wed, 04 Aug 2010 08:23:32 GMT

Hi,

We started getting (over the last 2 months say) lots of spam, which
Spamassassin isn't picking up as spam. Analysing these, they all seem to be
of the same type where many paragraphs of random text are "hidden" inside an
HTML comment (either contained in <!-- --> or inbetween /* and */ "tags").

Because of this "hidden" text, these messages are triggering BAYES_00 which,
I think, is the major influence on them not being correctly identified by
Spamassassin as spam.

We're running a slightly old version of Spamassassin (v3.2.3) running on
SuSE 10.3 but do run sa-update's regularly to pick up new rules (which,
perhaps naively I thought was more important the upgrading Spamassassin
itself).

Has anyone got any advice on how to correctly identify these mails as spam?

Do I just need to upgrade to Spamassassin 3.3.0 (I'm assuming that this
probably won't make much difference because I'm already using the latest
rule sets thanks to sa-update)?

Any ideas/help would be very gratefully received as the users are now
getting restless and, bayes training isn't really helping. Thanks.

David.
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