Postfix, Message Flows, and Common Issues

Postfix Postfix is a free and open-source mail transfer agent (MTA) that routes and delivers electronic mail. It is intended as a fast, easier-to-administer, and secure alternative to the widely-used Sendmail MTA. Postfix is released under the IBM Public License 1.0 which is a free software licence. It was originally written in 1997 by Wietse Venema at the IBM Thomas […]

Postfix Command Reference

postfix - Postfix Control Program. Switch Description check Warn about bad directory/file ownership or permissions, and create missing directories. start Start the Postfix mail system. This also runs the configuration check described above. stop Stop the Postfix mail system in an orderly fashion. abort Stop the Postfix mail system abruptly, Running processes are stopped immediately. […]