Bayesian Spam Filter

SmartPOP2Exchange helps you to connect your existing POP3 and IMAP accounts to a SMTP or Exchange mail server. SmartPOP2Exchange works in the background and downloads all messages from various POP3/IMAP accounts and forwards them to your SMTP/Exchange server. It also supports downloading of RSS... Platforms: Windows

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 can save substantial amount of time, specially if you are using a dial-up account. POP3 Sweeper is simple to use, yet powerful enough... Platforms: Windows

AGAVA AntispamServant is a trainable filter featuring message content analysis. AntispamServant is characterised by high-speed and efficient operation with all e-mail clients, and does not require them to be specially adjusted. AntispamServant is analysing the spam and non-spam message... Platforms: Windows

Microbrew MicroSieve is designed to be a high speed spam filter for USENET news. It searches for duplicate and large articles, spambots, and binaries in non-binary groups. After using some other filter programs written in Perl, it was clear that there needed to be a faster way to filter spam... Platforms: *nix

The SpamBouncer is a spam filter that runs under Procmail, a Unix-based email processing program. The SpamBouncer filters and classifies your incoming email, moving spam to a separate folder or deleting it entirely. This allows you to find your real email without having to read through a flood... Platforms: *nix

eximspamy is a spam filter framework that uses exims perl extension. It is supposed to be solution which requires no maintenance and will use only very little cpu power. I am using this on a pentium 100 Mhz server with no problems. eximspamy processes or rejects the mail in one go. That is:... Platforms: *nix

Spamresponder provides a simple and radical spam filter using DNS validation and challenge/response. Spamresponder is a very simple and radical spam filter, combining DNS validation with the challenge/response approach. It will go through all mail messages in /var/mail/$USER, looking for... Platforms: *nix

SSpamM comes from Semis Spam Milter is a spam filter for Sendmail that utilizes spambayes, heurestic spam filtering, and virus scanning (BitDefender, not included).. Get Sspamm at SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory.... Platforms: *nix

Securepoint Security Suite is a complete firewall, content filter, spam filter, authentication and VPN software system with an OS based on a secure Linux. VPN functions support PPTP/IPSec (X.509 certificates, preshared, RSA signature). You can use the firewall on a standard PC with 2 to 16... Platforms: *nix

Policy Patrol Disclaimers will provide users with professional email disclaimers and email signatures for Microsoft Exchange Server. The program includes a powerful rules wizard that allows you to configure customized user-based disclaimers and signatures. With Policy Patrol Disclaimers's... Platforms: Windows, XP, 2003, Windows Vista, 2008

SecurityGateway email spam firewall for Exchange/SMTP Servers provides affordable email security with a powerful spam filter that serves as a Microsoft Exchange firewall or SMTP firewall. It also protects against viruses, phishing, spoofing, and other forms of malware that present an ongoing... Platforms: Windows

This highly personalized Outlook email filter can block over 99% of spam and junk email. Yet, it makes sure that you don't miss the mail you need to see. How? Unlike most anti-spam products, InBoxer builds unique filters that based on your mail folders. Uses Bayesian and other advanced language... Platforms: Windows

SpamAI saves you time with improved accuracy by centralizing anti-spam efforts among multiple users and/or computers. One administrator manages several anti-spam mailboxes. Site specific rules under control of an administrator such as accept email from specific organizations can apply uniformly... Platforms: Windows

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... Platforms: Windows

Em@ilCRX (EmailCRX) is a desktop based, automated e-mail filtering software system that uses DNS validation, Bayesian type filter, image spam filtering, recipient validation, country filtering, user defined phrases, and an optional challenge response system to stop spam from making it into your... Platforms: Mac

Accurate Spam Filter For Outlook Express filters spam from your outlook express. It is designed to quickly remove spam from your inbox in Microsoft Outlook Express. The software helps you monitor, block spam when necessary.it's automatically filtered for all user when several users report same... Platforms: Windows

Spam Terrier brings comprehensive antispam protection to users of varying computer skills. It comes free and doesn't stress even a low-end computer. Effortlessly integrating into popular email applications such as The Bat! and Vista-included Windows Mail, the program provides a wide array of... Platforms: Windows

602LAN SUITE is an easy-to-install and manage all-in-one network software suite providing secure e-mail services with anti-virus & anti-spam, fax support, built-in firewall with NAT and web content filter proxy for controlled Internet sharing. Combine the content based Bayesian antispam filter,... Platforms: Windows

SMART Spam Filter uses Self-Learning Filters to automatically record user activity when they accept or reject any senders message. The simple click-it-and-forget-it process makes creating manual filters and rules a thing of the past. Smart Spam Control for POP3, AOL, HOTMAIL, MSN and YAHOO... Platforms: Windows

In order for you to be able to easily stop messenger spam pop-ups from appearing on your computer, we developed a small free utility: Messenger Spam Filter. Windows, by default, leaves the messaging service active upon installation. Once deactivated, the messenger spam can no longer invade... Platforms: Windows