Zero Spam

Spam Monitor is an easy-to-use Spam filter that detects and isolates unsolicited junk mail sent to your mailbox. Designed for computer users, not experts, Spam Monitor’s step-by-step wizard configures your PC with the safest anti-spam settings automatically.
Spam Monitor is easy to install and manage but don’t be fooled by its perceived simplicity, behind [...]

G-Lock SpamCombat is a comprehensive and competent Bayesian spam filter that can make use of DNS blacklists, too. It’s a pity it only works with POP accounts and requires a bit more user action than should be necessary.
G-Lock SpamCombat lets you filter multiple POP email accounts for spam.
Using Bayesian filtering, HTML analysis and DNS blacklists, [...]

K9 A free e-mail filtering program
K9 is an email filtering application that will work in conjunction with most popular email programs that use the standard POP3 email protocol.
Messages pass through K9 on their way to your email program and as K9 processes them it can learn to identify the difference between Spam and Good [...]

SpamRIP is a highly pinpoint spam filter for any POP email relationship. A separated software, it lets you advertisement and withdraw scrap before it reaches your failure inbox. Unluckily, SpamRIP does not output with IMAP accounts, is a tad fumbling to use and may occurrence now and then. Description
* SpamRIP filters cataphract in quadruple POP [...]

SpamBayes SpamBayes is an intelligent spam filter and message classifier for Outlook, that automatically categorizes your incoming messages into `good`, `spam` and `unsure` and sorts them into the associated folder. The program uses an advanced, bayesian filtering method that requires no manual setup and gets smarter the more email it processes. It includes a [...]