PlexMailer 6.5
PlexMailer is an anti-spam software. It supports POP3, IMAP, LDAP, NNTP and MBOX protocols. It comes with dozens of filters such as Bayesian Filter and ORBS, MAPS and DUL. Also, it supports server side options and integration with other products.

POP3 Sweeper 1.0.4
POP3 Sweeper is an email removal program that allows you to delete email messages directly from your email server, before it is dowloaded into your computer. It allows you to selectively delete email whether they are unsolicited emails, large emails or unwanted emails from your mailbox.

PopScan 4.63
PopScan is an efficient little shareware app that will check for new e-mail waiting to be collected from your POP3 mailboxes. Features include: Install and uninstall support; Evaluation version fully functional; Checks multiple mailboxes; Small footprint; Spam filter with heuristical spam detection; Highly customisable; Supports multiple users on one PC; Runs as a system tray utility; Windows 95/98/NT/2000/ME/XP; Online Registration

SPAMfighter Exchange Module 3.4.2.6
SPAMfighter Exchange module (SEM) is the easy-to-use anti-spam/virus solution for Microsoft Exchange Server 2000/2003/2007 or Microsoft Small Business server. SEM is powered by the SPAMfighter community of more than 5 million users. SEM delivers instant spam protection with no configuration or maintenance what so ever. Languages: English, German, Dutch, French, Greek and Danish. SPAMfighter is Microsoft Gold Certified Partner.

SpamBrave for Outlook Express 5.5
A Spam filtering plug-in for Outlook Express and Windows Mail prevents annoying spam and junk emails from polluting your Inbox. Never misses e-mails from your friends and colleagues. Allows or blocks email addresses or whole Internet domains you want. Bounces emails back to spammers. Reports spam to the sender's ISP. Automatically cleans the Spam folder. Built-in Backup and Restore Wizard. Statistics on the work done. Multilanguage interface.

Spamcontainer 3.0
Spam Container takes an entirely different approach to spam, allowing you to see only the email you have allowed, banning known bad senders so they are never allowed through and putting all unknown senders into a holding area until you decide if you want it in your inbox

SpamDummy! 1.0
SpamDummy! is a powerful and easy to use spam blocker for all POP3 email clients. SpamDummy! blocks spam, email viruses, and harmful content directly at the email server so that you never waste time downloading them.

SpamEater Pro 4.1.0 beta
Since 1997, SpamEater Pro has been a leader in the spam fighting tools category. With SpamEater Pro 4, it even more powerful and easier to use with it's XP style interface. With SpamEater Pro you can fight spam easily and effectively. SpamEater can reduce the amount of spam you see in your mailbox by 95% or more! It'll also notify you of any waiting mail after it clears out the spam by using a popup window, or playing a WAV file.

Piranha 1.0
Spam Piranha anti-spam program works with Outlook Express and all e-mail clients. Achieve spam elimination rates of 98% and greater, while giving peace of mind by ensuring you will never lose any "wanted" e-mails. Piranha is as easy as it gets. Piranha is the last anti-spam solution you will ever need. As spam evolves, so does Piranha. Earn money by simply using Piranha. Works with POP email accounts.

(STEVEN) 4.3
(STEVEN) employs an advance email checking system that validates the sender of the email rather than relying on content to determine if it is spam or not. (STEVEN) does this by automatically replying to all emails it retrieves with a brief message asking the sender to validate the message they sent you. The sender validates it simply by hitting reply and send.