http://bugzilla.spamassassin.org/show_bug.cgi?id=2129





------- Additional Comments From [EMAIL PROTECTED]  2004-03-14 09:53 -------
Spammers have been using random strings and dictionary words to foil
spam filters for some time.  Some of this text is invisible, some just
placed out of site.  Though my Bayes database has many of these random
character strings it still words well.  The automatic aging will
eventually clear out random strings because they are not repeated very
often.  (And if they are repeated, say because of improper random
number generator seeding, that will help catch spam.)

Increasing the number of random strings to 20,000, as mentioned in
Comment 12, might sweep useful tokens out of the database (say if
100 such messages were received per day) however the size of such
messages would be much larger and may not be profitable to send.




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