spamf: a simple mail filter with spam detection
Description
spamf is a mail filter that supports whitelists, blacklists, spam filtering, and filtering into folders based on the contents of various headers. It is based on the perl Mail::Audit module.
spamf requires the Mail::Audit CPAN module, as well the AppConfig CPAN module.
It is meant to be called via a user's .forward (or .qmail, or whatever) file.