I have installed SA 2.55 and trained the Bayes system on about 1900
spams and about 1900 good emails.  I have RBL checks enabled too.  So
far, it has been a great success!  259 spams were correctly identified
in the first week, and four missed.  (This is for one mail account.)

Two of the false negatives have no mention of Bayes in their headers.
The other two have BAYES_70 and BAYES_80.    In the messages which were
detected as spam, most have a high Bayes score in their headers, but a
few don't mention Bayes.

In the non-spam emails, all but one mention Bayes in the headers, and
the score is usually very low - no higher than BAYES_30.

I have not seen any headers so far with BAYES_40, BAYES_44, BAYES_50, or
BAYES_56.  Is this because they are all score 0.001?  If so, what is the
threshold to set the score beyond in order to make Bayes results show on
every message?


I am about to raise the scores of Bayes results which are higher than
50%, because I think that raising these scores will reduce the number of
false negatives.  I will probably find out the answer to this question
by doing this.  I spent some time looking through the documentation and
didn't find an answer.


Thanks for SpamAssassin!

  - Robin



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