Scot L. Harris wrote to Spamassasin Users List:

> Is it possible for bayes to add a negative score to a message?

Yes. That's the point of Bayes; it's a classifier that assigns a
statistical probability (between 0 and 1) to each message, based on the
occurance of tokens (words, and other message properties) it finds in
the message. Probabilities near 0 mean that there were strong indicators
of ham in the message, and few or no indicators of spam. Probabilities
near 1 mean there were strong indicators of spam.

If you get a contradictory Bayes score for a message, it's a good sign
that you might need to better train your Bayes database with more/better
examples of ham and spam.

Still one of the best introductory discussions on the subject:
http://www.paulgraham.com/spam.html

- Ryan

-- 
  Ryan Thompson <[EMAIL PROTECTED]>

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