in reply to automate mail filter entry?

Mail::SpamTest::Bayesian would seem to be the same kind of thing that good spam filters use, i.e. Bayesian statistical analysis. 

($_='kkvvttuubbooppuuiiffssqqffssmmiibbddllffss')
 =~y~b-v~a-z~s;                             print

[download]

In Section Seekers of Perl Wisdom