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.

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

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.

Babastik's AntiSpam Personal 1.0.4.5
The no nonsense, no compromise solution to stopping unsolicited email from cluttering your inbox. For Microsoft® Windows 98/Me/NT/2000 and XP. AntiSpam Personal uses what is called a White-list with Challenge and Response validation to stop emails from forged or invalid email addresses from reaching your inbox. It works with all email programs that access standard POP3 email servers: Outlook, Outlook Express, Eudora, etc.

Aggressive Spam Defense 2.32
Detects most spam and virus-like emails right after installation and will further adapt during use. Also color-codes the emails so you quickly can see which ones are important and will optionally notify you when legitimate emails come in. Safe preview is immune to viruses and prevents emails from silently revealing your active email address to the spammer. Allows total control over all filters. - All in an attractive and efficient interface.

BusinessMail Email Server + Anti Spam System 4.70.00
BusinessMail 4 is a powerful multi threaded Intranet/Internet email server and a powerful anti-spam systems with windows Service option, designed specifically for the business environment. It can be installed on any W95/W98//ME/W2K/XP or NT4 PC. BusinessMail 4 offers single/multiple email domain support, can be run as a windows Service, fully user configurable scoring anti-spam system, user & domain aliasing, powerful routing/filtering, flexible connection scheduling and much more.

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!

DrStopSpam 3.1.28
RevengeWare's DrStopSpam – tracks down the source of the spam mailing and reports this theft of mailing services to people whose computer services have been stolen! A professionally written and documented email gets the spam mailer pulled off the net! In addition, in many cases, DrStopSpam will allow you to send complaints directly to the spammer! One click does all from the NEW Outlook Express tool bar we have added!

Easy Email Spam Filter 1.21
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.