Cactus Spam Filter   
http://www.codeode.com

Cactus Spam Filter is a free easy-to-use spam blocker. It protects your inbox by learning to detect spam as it's being used. After a short while it has adapted to your personal mailbox and blocks out most of the junk e-mail. Since the filter becomes personal, spammers will not be able to fool it. Installation is very simple. No setup is required in your e-mail client; this spam stopper integrates seamlessly with all e-mail clients that use POP3. It has been successfully tested with Microsoft Outlook, Microsoft Outlook Express, Netscape, Opera, Mozilla, Mozilla Thunderbird, Eudora, Pegasus Mail, IncrediMail, Foxmail, POP Peeper, Command Line POP Client and Phoenix Mail. This anti-spam program learns to detect spam as it's being used, and believe me, Cactus Spam Filter is a fast learner. After a few e-mails it will start to make its own decisions to relieve you from the spam burden. Even though this is a brutal, merciless spam killer, no e-mails will get lost unless you delete them. One of the unique features of Cactus Spam Filter is the ease of use. After you have downloaded and installed it no more settings are required! No account setup, no POP proxies, nothing! Just start your favorite e-mail program and Cactus Spam Filter will instantly protect it!

Easy Email Spam Filter   
http://www.easyemailspamfilter.com

Easy Email Spam Filter is an easy to use email spam filter utility that will stop email spam from entering your Outlook inbox or Outlook Express inbox. Easy Email Spam Filter is a simple spam blocker application that runs unobtrusively while being minimized in the system tray. With an easy to use interface, you can select the emails you wish to keep while bouncing spam messages back to spammers.

eMail2Pop   
http://www.porkchup.com

eMail2Pop functions as a POP3 and SMTP mail interface and spam filtering solution for AOL® Mail and Google Gmail(tm) accounts. eMail2Pop converts AOL mail and Gmail into a standard mail format. This means that AOL and Gmail users can retrieve their email from their favorite email client (such as Microsoft Outlook, Eudora, Incredimail, Act, The Bat, etc). eMail2Pop also includes a powerful integrated spam filter. For AOL accounts, eMail2Pop is independent of the AOL software program and does not require AOL to be installed for most users. The eMail2Pop Wizard will walk first-time users through setting up their email program to manage AOL Mail and Gmail. The integrated spam filter is very customizable, using features such as whitelists and blacklists, online blacklist checking, and self-teaching Bayesian analysis. eMail2Pop is a third-party product, and is not endorsed, sponsered, or affiliated with America Online, Inc or Google, Inc.

InBoxer for Outlook Spam   
http://www.inboxer.com

Award-winning, highly personalized Outlook spam filter blocks junk e-mail while making sure that you see the messages you need. How? Unlike most anti-spam filters, InBoxer uses sophisticated Bayesian language analysis and other advanced techniques to build a unique spam filter for you based on your mail folders. It is more effective than other Bayesian spam filters because of our vast experience is designing and building sophisticated, yet easy to use, language products. InBoxer adds features to help important messages get through. Two stage filtering removes spam, but identifies questionable messages that might be good. Unlike most anti spam products, the questionable messages are placed in a smaller rapid review folder. The rapid review folder saves time and means you never need to see the worst spam. InBoxer's trust feature means that you will receive messages from an individual, company or even all those in your contact list, no matter what the content says. InBoxer never deletes a message and one click corrects mistakes. InBoxer learns by example and usually will not make the same mistake again. New BlackBerry, Treo and handheld device plug-ins for spam-free remote access. Yet, all of this is in an easy to learn and easy to use package. PC Magazine says InBoxer "joins a short list … that can filter most spam from your in-box with only a modicum of hassle." The InBoxer for Outlook spam filter comes from Audiotrieve, a company founded by veterans of the language technology industry. Our expertise in creating easy-to-use products based upon sophisticated language technologies enable us to build this new kind of filter.

IPS Spam Filter   
http://www.addressbook.ch

The progam runs in the background and catches 99% of the spam messages. All Spam E-mails are removed from your e-mail box and stored at a special place where you can review.