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.

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, …

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.

Download Postfix software from various sources to set up a reliable and efficient mail server.

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

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 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 …

May 23, 2022 · In this tutorial, you’ll install and configure Postfix as a send-only SMTP server. You’ll also request free TLS certificates from Let’s Encrypt for your domain and encrypt the outbound emails …

Oct 24, 2019 · The most commonly used implementations of SMTP in most Linux distros are Sendmail and Postfix. Postfix is an open source mail-transfer agent that was originally developed as an …

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 …