[Spambayes] Spammer countermeasures against bayesian filters

Skip Montanaro skip at pobox.com
Tue Jul 29 17:48:27 EDT 2003


    Mike> I have noticed recent spam has a long list of presumably ham-like
    Mike> rare words appended to it. Do you believe that this is a Bayes
    Mike> filter countermeasure?  

Maybe.  I haven't seen this as a problem.  I suspect Spambayes is doing an
effective job suppressing these for me.

    Mike> If so is the countercountermeasure a tweak that looks at the
    Mike> number of times the word has appeared? 

This was tried during testing and found not to be effective.

Skip



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