This website has information about the Postfix source code distribution. Built from source code, Postfix can run on UNIX-like systems including AIX, BSD, HP-UX, Linux, MacOS X, Solaris, and more.

Postfix is a free and open-source mail transfer agent (MTA) that routes and delivers electronic mail. It is released under the IBM Public License 1.0 which is a free software license.

Jan 27, 2026 · Postfix is a free, open‑source Mail Transfer Agent (MTA) for Unix‑like systems that routes and delivers email. It was designed as a Sendmail replacement with a strong focus on security, …

May 22, 2026 · Install and configure Postfix mail server on Ubuntu for SMTP email delivery, with dovecot SASL, without Virtual Domains or advanced configurations.

May 17, 2025 · In this guide, I'll walk you through setting up a basic mail server using Postfix on Linux, explaining each component in beginner-friendly terms. refer the git repo for further info …

Postfix runs (or has run) on AIX, BSD, HP-UX, IRIX, LINUX, MacOS X, Solaris, Tru64 UNIX, and other UNIX systems. It requires ANSI C, a POSIX.1 library, and BSD sockets.

May 20, 2023 · Postfix is an efficient and feature-rich mail server that was designed by Wietse Venema at the IBM T.J. Watson Research Center. It was intended to be a replacement for the popular sendmail.

Postfix logging to file or stdout Backwards-Compatibility Support Replacements for Deprecated Features Installation from source code Problem solving Bottleneck analysis Stress-dependent configuration …

Postfix currently does not implement a rewriting language, but a lot can be done via table lookups and, if need be, regular expressions. Once a message has reached the incoming queue the next step is to …

This document covers basic Postfix configuration. Information about how to configure Postfix for specific applications such as mailhub, firewall or dial-up client can be found in the …