EClean 1.4.2
EClean can be used in defense against spam and UCEs by anyone with a POP E-mail account. EClean helps you to avoid unsolicited E-mail messages by hiding your mailto: links through encoding, plus as a pre-mail client using powerful self-maintaining whitelists it authenticates and quarantines legitimate E-mail, giving you the option of deleting UCEs before they get in your in-box. Options include challenge response, scheduling... 21 day free trial!

Out Spam 1.1
Out Spam is a spam filter program. It can remove junk letters from a POP3 mail server without downloading them to a client computer. The principal way to separate mail is the use of worldwide black lists of spam mail servers. The program can also filter letters by languages and letter header errors. It supports the multi accounts usage. Validation rules allow user to prevent deleting important letters by mistake.

SPAMReporter 2.0.1
Don't just filter Spam... stop it at the source. SPAMReporter is a powerful email header analyzer and reporting tool. Unlike reporting tools in typical spam filtering software, SPAMReporter actively attempts to determine the exact originating IP address of any email header automatically. When the address is determined, SPAMReporter will then contact the offenders ISP and submit an email with all necessary evidence to their abuse team..

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.

Spam Trapper for Outlook 1.3.3
Spam Trapper is a multilevel spam filter for Microsoft Outlook version 2000 and later. It is a plug-in component with clear convenient interface. The first level checks your address book and validates all letters from your clients. So letters from your friends and colleagues are never processed as spam. The last level is a Bayes Filter. Any level can be switched off. Spam Trapper does not work with Outlook Express.

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.

AGAVA AntispamServant plugin for "The Bat!" 2.1.6
Why is it more convenient for "The Bat!" users to use this plugin: - It uses "The Bat!" built-in mechanisms to get access to the incoming mail. Operates faster and is easier to use due to close integration with the e-mail client. - It can be adjusted through the e-mail client interface. - The training is accomplished with the help of the Specials menu items in "The Bat!" - Mark As Junk, Mark As Not Junk.

AntispamSniper for The Bat! 3.1.0.3
Antispam and antiphishing plug-in for The Bat! and Voyager. The unique combination of several methods for automatic email classification shows excellent filtering quality for all kinds of spam, including graphical spam with random text. The plug-in deletes most of spam on the server by headers.

CAMELOT Security 2005
CAMELOT Security 2005 is a server side based spam filtering solution for MS Windows. Incoming messages run through a chain of application layers inside a multi-tier protection system. Several methods of analysis are executed by active content processors, using artificial intelligence with self-learning filter processes. A special interface to Norman Virus Control offers a proactive solution to protect the system against new and unknown viruses.

Comodo Antispam Desktop 2005 1.01
Comodo AntiSpam Desktop 2005 is an intuitive, easy-to-use, client-based software product that eliminates spam forever from the computer's email system. No license fees - No charges - No more Junk Mail!! Just register and install to start enjoying a 100% clean inbox. It works with all current Windows operating systems and supports email programs such as Outlook, Outlook Express, Eudora, Netscape or any other POP3 email application.