Postfix Mail System Configuration

Note: this web page is no longer maintained. It exists only to avoid breaking links in web pages that describe earlier versions of the Postfix mail system.

Table of contents

• Basic configuration. All you need to know about Postfix for the most common types of installation, assuming that you are already familiar with sendmail aliases and forwarding.

• UCE controls. A description of the Postfix mechanisms to reject unwanted mail, a.k.a. UCE, and to restrict unauthorized mail relaying.

• Rate controls. How to achieve performance without hosing your system or your neighbor's systems, and how to deal with broken or malicious client programs.

• Resource controls. How to set Postfix memory and file system resource budgets, and how to deal with temporary problems.

• Address manipulation. How to do address rewriting, message routing, and message transport selection without ever having to use an address rewriting language. This section covers aliases and virtual domains as well.