SPAMReporter
Inbox filters do not work to stop Spammers. Email costs virtually nothing to send and a cleverly worded email can easily bypass even the best filtering scheme. If filtering is all we have for a defense against Spam, we are in a losing battle. Instead of filtering Spam, SPAMReporter identifies... Whether the user is deliberately spamming or is an innocent pawn used by the real spammer, when identified, the ISP will usually close or suspend their account until a resolution to the problem is accepted.
http://spamreporter.errorcodes.net/download/SRsetup2.exe - 2Mb - Download - Screenshot

SPAM Punisher
SPAM Punisher is an anti-spam tool that makes it easy for you to find out address of spammer's Internet Service Provider, generate and send complaints. If Internet Service Provider receives complaint generated by SPAM Punisher he usually closes internet access to spammer.
http://www.elprime.com/SpamPunisherSetup.exe - 509Kb - Download - Screenshot

Eliminate SPAM
Flooded by spam? Save yourself from unwanted junk messages by installing Eliminate SPAM - the most powerful spam protector available today. Eliminate SPAM uses sophisticated customizable filters and checks each incoming e-mail against extensive database of known spammers. ... If an occasional junk message does sneak through the filters, in one click you can simultaneously trash the message, ban the sender or sender's domain, and report the spammer to the spam spam-prevention database so his messages would not reach other intended victims.
http://www.spamdestructor.com/espam2006.exe - 3Mb - Download - Screenshot

Eliminate Spam Pro
Flooded by spam? Save yourself from unwanted junk messages by installing Eliminate Spam Pro - the most powerful spam protector available today. Eliminate Spam Pro uses sophisticated customizable filters and checks each incoming e-mail against extensive database of known spammers. ... If an occasional junk message does sneak through the filters, in one click you can simultaneously trash the message, ban the sender or sender's domain, and report the spammer to the spam spam-prevention database so his messages would not reach other intended victims.
http://www.spamdestructor.com/espam.exe - 3Mb - Download - Screenshot

Eliminate Spam!
Flooded by spam? Save yourself from unwanted junk messages by installing Eliminate Spam! - the most powerful spam protector available today. Eliminate Spam! uses sophisticated customizable filters and checks each incoming e-mail against extensive database of known spammers. ... If an occasional junk message does sneak through the filters, in one click you can simultaneously trash the message, ban the sender or sender's domain, and report the spammer to the spam spam-prevention database so his messages would not reach other intended victims.
http://www.eliminatespam.org/espam.exe - 2Mb - Download - Screenshot

CONTACTUS
Contactus is a professional, spammer-proof contact form for your website. It has a professional appearance that is fully customizable. It is simple to install, requiring only the addition of the receiving address(s) for configuration. And best of all, spammers cannot discover your email address! ... Free version has advertising links, commercial version does not.
http://www.toucanmultimedia.com/contactus/contactusfree.zip - 4Kb - Download - Screenshot

Anti Spam Boy
It detects spam before it reaches the mail system and kills the receive process immediately. Saving you a lot of bandwidth. Spam will not reach your mailboxes. It works with any e-mail client, and supports an unlimited number of e-mail accounts. Setup is simple with a few clicks. ... There is no need to reconfigure your e-mail client and you can manual enter unwanted spammer's domains.
http://www.acezip.net/asbsetup.exe - 3Mb - Download - Screenshot

Piranha
Spam Piranha anti-spam program works with Outlook Express and all e-mail clients. Users have reported spam elimination rates of 98% and greater, while giving peace of mind by ensuring you will never lose any "wanted" e-mails. No approved sender lists or e-mail replies required, Piranha is as... Latest anti-spam technology, online spammer database checks, and adaptive logic ensure Piranha is the last anti-spam solution you will ever need. ... You can also earn money by simply using Piranha. ... Works with POP email accounts.
http://www.spamsolver.com/SpamPiranhaSetup.exe - 0b - Download - Screenshot

Spam Bully 3 for Outlook
Outlook Bayesian spam filter intelligently keeps your Inbox spam free. Easy to use toolbar. Allow or block email addresses, IP's, words/phrases you choose. Block spam by country and language. Bounce spam back to spammers. Report spammers to their hosts and the FTC. ... Send challenge emails to unfamiliar emailers. ... Auto delete spam as it downloads. ... Comprehensive statistics. ... Convert the SpamBully toolbar into English, Spanish, French, Italian, German, Russian, and other popular languages.
http://www.spambully.com/spambully3outlook.exe - 4Mb - Download - Screenshot

Spam Bully 3 for Outlook Express
Outlook Express Bayesian spam filter intelligently keeps your Inbox spam free. Easy to use toolbar. Allow or block email addresses, IP's, words/phrases you choose. Block spam by country and language. Bounce spam back to spammers. Report spammers to their hosts and the FTC. ... Send challenge emails to unfamiliar emailers. ... Auto delete spam as it downloads. ... Comprehensive statistics. ... Convert the SpamBully toolbar into English, Spanish, French, Italian, German, Russian, and other popular languages.
http://www.spambully.com/spambully3oe.exe - 4Mb - Download - Screenshot