Projects tagged ‘antispam’, ‘filter’, and ‘postfix’

Greylisting implementation for Postfix

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.

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. ... [More] The second tool is "postlicyd", a policy daemon for Postfix with a very 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]

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 ... [More] as many spam combating and email compliance features as possible while at the same time 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]

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 ... [More] limiting, Spamtrap monitoring / blacklisting, HELO auto blacklisting and HELO randomization preventation. [Less]