Beware of cheap imitations! SpamCop has been protecting the internet community since 1998. Automatically file spam reports with the network administrators who can stop unsolicited email at the source. Subscribe, and filter your email bef...
Cloudmark's award-winning software products and services provide anti-spam, anti-virus, anti-phishing, spam-filtering and spam-blocking for service providers, enterprises and Outlook/Outlook Express users.
Open Source mail filter, written in Perl, to identify spam using a wide range of heuristic tests on mail headers and body text. Free software. Can be used as a standalone mail filter, or from procmail. Site includes download, news, FAQ, a...
Great concept, Block spam BEFORE it downloads onto your computer-block it, filter it, delete it, kill it while it is still on theirs. It is trainable and very configurable. A truly intelligent design. Also a pro version for multiple addresses at mailwasher.com