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: Mail System
Greylisting with PF
This article will show you how I am using PF (the Packet Filter from the OpenBSD project) and spamd (also from OpenBSD) to implement greylisting and greatly reduce incoming spam
PDF: ECE Mail System Overview
http://ece.uprm.edu/~noack/crypto/slides/ECE Mail System Overview.pdf
PDF: Mail system production overview on ECE.
Postfix config "how to" ( main.cf ) @ Calomel.org - Open Source Research and Reference
Postfix is an excellent replacement for sendmail. It is a fast and secure message transfer agent (MTA). It is intended as an easy-to-administer and secure alternative to the widely-used Sendmail MTA.
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