P3Scan is a fully transparent scanning proxy-server for email clients. It provides scanning of incoming/outgoing email messages for Virus''s, Worms, Trojans, Spam, and harmfull attachments. It can also parse messages for web-bugs.

P3Scan is a fully transparent scanning proxy-server for email clients. It provides scanning of incoming/outgoing email messages for Virus''s, Worms, Trojans, Spam, and harmfull attachments. It can also parse messages for web-bugs.

si.Mail is a revolutionary e-mail client developed by Miha Vrhovnik that has among its innovative features: * Published under GPL (you don’t have to pay for it if you are using it, full source code availability), * Localization, * Html me...

SpamAssassin is one of the best spam filters and it is also free. However, it usually runs on corporate UNIX servers. The goal of this open source project is to release special builds of SpamAssassin that run on Windows platform. SAwin32 is a POP3 pro...

The pop-before-smtp project is a simple daemon written in Perl, to allow email relay control based on successful POP or IMAP logins. For information about the latest release, see below.

ClamMail is a personal POP3 proxy that can filter emails deleting malware ClamMail is a personal POP3 proxy for Windows which can also filter emails deleting malware. ClamMail can be used as a POP3 proxy only and (and this was the main reason to creat...

AMaViS is a script that interfaces a mail transport agent (MTA) with virus scanners. A Mail Virus Scanner for Linux and other UN*X based platforms ( tested to run on Solaris, *BSD, AIX, HP-UX, too ) Most people will say: "A virus scanner? For UN*X? ...

MailWasher Server is an open-source, server-side junk mail filter package for businesses of any size. MailWasher Server differs from other open-source server anti-spam packages in that it offers a polished, well-integrated web interface and built-in q...

Pyzor is a collaborative, networked system to detect and block spam using identifying digests of messages. Pyzor initially started out to be merely a Python implementation of Razor, but due to the protocol and the fact that Razor's server is not Open...

Bogofilter is a mail filter that classifies mail as spam or ham (non-spam) by a statistical analysis of the message's header and content (body). The program is able to learn from the user's classifications and corrections. Bogofilter is or can be inte...

JunkMatcher is a cocktail-styled spam filter for Mail.app on Mac OS X (10.3.x or later). It filters spam by conducting a wealth of tests over emails. Two types of tests are available: property tests can detect general characteristics of spam using tech...

The main goal of Copfilter is to provide a free and easy to use solution to filter and scan traffic from any unsecure network, like the internet, for viruses and spam. It has been designed as a preconfigured and easy to install addon for the opensource...

The Anti-Spam SMTP Proxy (ASSP) Server project is an open source platform-independent SMTP Proxy server which implements whitelists and Bayesian filtering to rid the planet of the blight of unsolicited email (UCE). UCE must be stopped at the SMTP serve...