Hi,
i have a mail server that I manage, using SpamAssassin 3.1.7.
Unfortunately some mail (for example mail going to my university
account) gets filtered by other SpamAssassin instances. If they detected
spam, the mail gets rewritten and the original mail is inside the
attachment. Now many of them get BAYES_00-scores because of the text
inserted by SpamAssassin, sometimes dropping them below 5.0 points. What
has not happened (yet) is that they have been autolearned by the
bayesian filter as ham, luckily. I see some ways to solve this problem:
- trust the other servers and learn those mails as spam, but i wouldn't
like to do that (they had quite a few false positives in the past)
- rewrite the mail before processing, purging the traces from previous
spamassassin instances (i'm using procmail, so this would not be too
hard, is there a premade solution to this by chance?)
- prevent Bayes from running (and learning) when a mail comes in that
has been rewritten. Is there a way to do that?
Thanks in advance,
Stefan
