Built from source code, Postfix can run on UNIX-like systems including AIX, BSD, HP-UX, Linux, MacOS X, Solaris, and more. Postfix is also distributed as ready-to-run code by operating system vendors, appliance vendors, and other providers.

Postfix logging to file or stdout ; Backwards-Compatibility Support; Replacements for Deprecated Features; Installation from source code . Problem solving . Bottleneck analysis ; Stress-dependent configuration ; Performance tuning ; Debugging strategies . Content inspection . Content inspection overview ; Stopping backscatter mail Built-in ...

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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. In addition, Postfix requires that the file system satisfies a number of requirements that …

This document presents an overview of the Postfix architecture, and provides pointers to descriptions of every Postfix command or server program. The text gives the general context in which each command or server program is used, and provides pointers to documents with specific usage examples and background information.

By default, Postfix configuration files are in /etc/postfix. The two most important files are main.cf and master.cf ; these files must be owned by root. Giving someone else write permission to main.cf or master.cf (or to their parent directories) means giving root privileges to that person.

The Postfix SMTP server receives mail from the network and is exposed to the big bad world of junk email and viruses. This document introduces the built-in and external methods that control what SMTP mail Postfix will accept, what mistakes to avoid, and how to test your configuration.

Postfix 3.6 - 3.9 were updated earlier this week; after that, Postfix 3.6 will no longer be updated. The main changes are below. See the RELEASE_NOTES file for further details.

This document requires Postfix version 2.0 or later. This document gives an overview of how Postfix can be used for hosting multiple Internet domains, both for final delivery on the machine itself and for the purpose of forwarding to destinations elsewhere.

Execute the command "postmap /etc/postfix/transport" to rebuild an indexed file after changing the corresponding transport table. When the table is provided via other means such as NIS, LDAP or SQL, the same lookups are done as for ordinary indexed files.