Free Spam Filters for Linux

Heirloom mailx (formerly known as "nail") is derived from Berkeley Mail and provides the functionality of the System V and POSIX mailx commands.Here are some key features of "Heirloom...

E-MailRelay is a simple SMTP proxy and relay MTA, written in C++, for Linux and Windows. When running as a proxy all e-mail messages can be passed through a user-defined program, such as a spam filter, which can drop, re-address or edit messages as they...

smf-grey is a Sendmail milter that implements the GreyList Anti SPAM technology. This technology can significantly reduce the amount of SPAM and viruses going from zombie computers (infected Windows PC), which produce more than 80% of SPAM.GreyList...

Spamato is an extensible spam filter system. Spamato project is available as an add-in for Outlook, an extension for Thunderbird and Mozilla, and a stand-alone proxy component.It provides a Bayesian filter, a rule-based filter, a Java implementation of...

smf-sav is a lightweight, fast and reliable Sendmail milter that implements a real-time Sender e-Mail Address Verification technology. This technology can stop some kind of SPAM with a spoofed sender's e-Mail address.Also it implements a real-time...

Spammer is an anti-spam mail filter for the popular MTA Sendmail.Spammer checks all IP-Addresses found in the mail header against a DNS blacklist (such as the one from Easynet, Spamcop or Osirusoft).Depending on the configuration, Spammer rejects mails...

LinuxMagic magic-smtpd is a drop in replacement for Dan Bernsteins qmail-smtpd, and was originally designed to be part of the LinuxMagic Magic Mail Server.This opensource version has been released to allow others to benifit from it's anti-spam components,...