Policy Daemon

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 throttling, spamtrap monitoring  and blacklisting, HELO auto blacklisting, as well as HELO randomization prevention.

The plugin is designed for large scale mail hosting environments, aiming to implement as many email compliance and spam combating functionality as possible.

Policy Daemon will offer the stability, performance and portability required for today's mission critical email hosting services.

What is new in this release:

• Bugfixes and code cleanups.

What is new in version 2.1.x-201211111115:

• Better IPv6 handling.
• A Debian package is now included.
• More debugging and various other bugfixes.

What is new in version 2.0.13:

• Bugfixes and enhancements.

What is new in version 2.0.11:

• Bugfixes and feature enhancements.

What is new in version 2.0.8:

• Various bugs were fixed.

What is new in version 2.0.7:

• Fixed bug where getPolicy was being called in the amavisd-policyd module with incorrect parameters. This was triggered when recipeits changed because of aliases or similar and the alias is not found in the session data stored during the Postfix RCPT checks.

What is new in version 2.0.5:

• A backported SASL username option in the Web UI.
• Better loadable module handling for cbpadmin.
• Backported support for reverse DNS policies.
• Various bugfixes in the Qutoas module.
• Better database portability.

Requirements:

• Postfix