KnockKnock 3.10
Anti Spam program eliminates unsolicited e-mails in your inbox. KnockKnock is a complete e-mail enhancement program and spam solution, and works with your current Email client. Easy to use administration features handles, multiple e-mail accounts on multiple servers. Works with virus protection software such as Norton and McAfee. KnockKnock learns what's Spam from your normal activities. Free Lite version handles 1 Account.

Mail UnKnown Anti-Spam 1.532
Stop spam with Mail UnKnown. Mail UnKnown does NOT use spam filters to guess what’s spam and what’s not. It uses a Verify then Validate method giving you full control of the emails you receive. All incoming emails are put on hold until the sender of the email is first verified. After they are, you have the option to validate them as an email sender you want to receive emails from.

Spam Sleuth Enterprise 4.0
Spam Sleuth Enterprise resides on your e-mail server and screens out spam before it reaches your server. Includes a Web and/or PC client application that allows users to configure spam settings and view all spam messages received. Email Stamps: Requires senders to pay a fee via PayPal before message will arrive in your inbox. Turing Test: Requires senders to enter a validation code before email will arrive in your inbox.

SpamSquash 2.0.1
SpamSquash is a spam filter for email clients that connect to pop3 email servers. It uses two filtering methods: a Bayesian filter and a DNS block list. The Bayesian is trained by you to get emails you consider to be spam. The DNSBL uses spam repositories to determine what is spam. The filter is over 99% accurate. It also includes a white list and a black list. Use with Outlook, Pegasus, etc. Visit www.alwayslearn.com

Ace Spam Scram 1.00
Delete spam. Block countries you do not want to recieve mail from. Make spammers delete theire own spam (Yes that's right). Use the Windows Address Book (WAB). Add filters, Word and e-mail addresses of friends. Add filters, Word and e-mail address for NOT friends. 32 options to choose from in the setup. WhoIs search, Trace Route, Ping, all with in Ace Spam Scram. and much more.....

Ad Nuker Popup Blocker & Spam Filter 4.5.0.0
Filter Junk E-Mail Spam, Ads, Pop Ups advertising, Viruses, Tojans & Spyware. Works with POP3 & IMAP. This FREE tool uses intelligent filtering of annoying Popup ads, e-mail spam, Spyware, Adware, Trojans, Viruses, Spyware Cookies. Unique features allow you to block all popups and spam or allow only the ones you want to receive. This easy-to-use popup stopper that gives you control of popup ads. Filtering spam mail with 5 different levels.

Anti-Spam Filter 1.2
Anti-Spam Filter is an innovative self-learning system, offering you spam protection without deleting the important correspondence. Anti-Spam Filter maintains its own collaborative spam-tracking database, which uses the signatures of spam messages. It is different from other anti-spam programs, in the way that you're not the only one to "teach" it, but all of our project users contribute to it.

Alchemy Spam Filter for Outlook Express 1.1
Get rid of spam with Alchemy Spam Filter for Outlook Express! Alchemy Spam Filter is a plug-in module for the Outlook Express e-mail program and represents a self-adaptive unsolicited mail protecting tool. Using sophisticated Bayes algorithm and set of black and white rules, this spam killer will filter out all your junk email!

ChoiceMail One 4.501
ChoiceMail stands out as a leader among spam blockers. Many spam prevention products rely upon rules filters that must be continually managed and updated by the user. DigiPortal determined that no single method is completely effective at stopping spam due to the endless new tricks employed by spammers. ChoiceMail uses multiple mechanisms to deal with unknown senders, giving users the choice of how to set up their system.

CoffeeCup Spam Blocker 4.1
Spam Blocker works with any POP3 email account. It checks your HTML and Text email and removes spam right from the mail server so you never see it in your regular inbox. Then you can review the suspicious emails in Spam Blocker and choose to keep them or delete them forever. You can even send 'Bounce Back' messages to the spammers telling them that your email address does not exist so they remove you from their lists!