Projects

Postgrey

Greylisting implementation for Postfix

pfixtools

A collection of Postfix-related tools, including a SRSD daemon and a policy daemon. "pfix-srsd", our first tool, is a tcptable lookup service for Postfix which performs SRS encoding and decoding. The second tool is "postlicyd", a policy daemon for Postfix with a very ... [More] flexible configuration. It can be used as a replacement for whitelister and postgrey. Postlicyd is able to access R(H)BL databases by DNS or by directly reading rbldns zone files. [Less]

Greyfix

Greylisting policy daemon for Postfix written in C. - No need for a database server. - Integrates with Postfix's master daemon. - Low and tunable resource usage.

Policyd v2

Policyd v2 (codenamed "cluebringer") is a multi-platform policy server for popular MTAs. This policy daemon is designed mostly for large scale mail hosting environments. The main goal is to implement as many spam combating and email compliance features as possible while at the same time ... [More] maintaining the portability, stability and performance required for mission critical email hosting of today. Most of the ideas and methods implemented in Policyd v2 stem from Policyd v1 aswell as the authors' long time involvement in large scale mail hosting industry. [Less]

bley

gldfork

GLD-fork is a fork of the GLD program written by Salim Gasmi. The fork has been made because the original project has been dead for many years now and some new featured were needed. GLD-fork, as the original GLD, adds greylisting functionality to the postfix mailserver. Greylisting is a fairly ... [More] resource friendly anti-spam technique. GLD-fork can easily be combined with other (more resource consuming) tools building the best anti-spam experience you can want on your system. [Less]

Policy Daemon

Policyd is an anti-spam plugin for Postfix (written in C) that does Greylisting, Sender-(envelope, SASL or host / ip)-based throttling (on messages and/or volume per defined time unit), Recipient rate limiting, Spamtrap monitoring / blacklisting, HELO auto blacklisting and HELO randomization preventation.