Spam Filter

Some articles on spam filter, spam, spam filters:

Googlemail.com - Features - Spam Filter
... Gmail's spam filtering features a community-driven system when any user marks an email as spam, this provides information to help the system identify similar future ... Users may tune the system to allow mail marked as spam to be handled in particular ways ...
Bayesian Poisoning
... used by e-mail spammers to attempt to degrade the effectiveness of spam filters that rely on Bayesian spam filtering ... relies on Bayesian probability to determine whether an incoming mail is spam or is not spam ... of random (or even carefully selected) words that are unlikely to appear in a spam message will cause the spam filter to believe the message to be ...