http://issues.apache.org/SpamAssassin/show_bug.cgi?id=5497





------- Additional Comments From [EMAIL PROTECTED]  2007-06-06 14:58 -------
I can see the change in the ham autolearn threshold having this effect in
interaction with any rule that hits, for example, MS Word pasted into Outlook
Express mail, such as EXTRA_MPART_TYPE.

We tolerate a rule with as low a score as 1.0 even if it FPs with the
justification that it is not scored high enough to cause ham to FP as spam.

But here is an example of an unintended side effect. If the result is to cause
all of a certain class of mail to have its spam instances learned but none of
its ham instances learned, then to the degree that Bayes finds tokens that
indicate that class, they will be incorrectly learned as spam signs.

I don't have an immediate answer to this, but clearly a result that causes all
MS Word pasted into OE mail to be labeled as spam is incorrect.




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