Top Spam Filters for Linux

Policy Daemon is an open source project specifically designed as an anti-spam filter plugin for Postfix, a totally free mail transfer agent (MTA).Policy Daemon features greylisting, recipient rate limiting, sender-(SASL, host / ip, or envelope)-based...

MIMEDefang is a flexible MIME email scanner designed to do all kinds of email processing, including anti-virus scanning, anti-spam scanning, replacing parts of messages with URLs, adding boilerplate disclaimers, and so on.It can alter or delete various...

milter manager is an efficient way to manage multiple milters. You can register multiple milteres to milter managers and a milter session for milter manager is transfered to registered milters. Registered milter is called "child milter".milter manager...

IMAPFilter is a completely free and open source command-line software implemented in C and designed from the offset to act as a simple, yet intuitive mail filtering utility for POSIX compatible mail servers and operating systems, such as GNU/Linux and...

Turba is an open source, platform-independent and free web-based software that provides a production-ready address book application for the Horde Groupware suite, offering integration with the IMP application (also part of the Horde Groupware project), as...

Ingo is an open source web-based software, a plugin for the Horde Groupware application that provides a manager for email filter rules. It was originally designed as a front-end for the Sieve filter language.The software is engineered in such a way that...

Rspamd is an open source web-based filtering system that has been initially designed as a replacement of popular spamassassin (spamd) daemon on Linux/UNIX operating systems. It is very fast and modular, it is written in the C programming language and...