Foiling Spam With Email Password System - Describes a procedure that allows foiling SPAM effectively by using a password system that uses procmail filters and a Bourne shell script. www.uwasa.fi/~ts/info/spamfoil.html
junkfilter: Junk Mail Filtration with Procmail - Junkfilter filters sex spam, MLM schemes, and all other types of unsolicited commercial e-mail (UCE). www.pobox.com/~gsutter/junkfilter
SpamCop - FAQ - Subscription-based resource with support for Procmail. spamcop.net/spamfaq.shtml#procmail
Squashing spam - A working example of using procmail recipes to create a hotmail-style inbox protector that will treat mail that was not addressed to you as spam. www.mindrape.org/caffeine/squashing_spam.html
The SpamDunk Project - This webpage shows a commented example of a working .procmailrc file. I have tried to make things as generic as possible, but there are no guarantees that it will work for anyone else. www.vex.net/~wadialix/email/spamdunk/index.html
Procmail Spam Filter: The Spam Bouncer - The Spam Bouncer is a set of Procmail filters for trapping and discarding spam, and autocomplaining to the senders and their upstream sites. www.spambouncer.org
