POPFile

POPFile is a Perl-based Bayesian filter written by John Graham-Cummings and licensed under the GPL. It does a very nice job of filtering your email messages at the client side, assuming you access your mail via POP3. (IMAP and other protocols are scheduled for coverage in upcoming versions.) POPFile is platform-independent, meaning that it can be run on any operating system that runs Perl. The platform used in this chapter is Windows 2000.

POPFile can easily be used in conjunction with other anti-spam measures. In fact, it can be used in place of (or in concert with) the filtering capability of an email client such as Mozilla Messenger. By using the filtering capability in POPFile, the email processing stream can usually be simplified. ...

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