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Postfix mail transfer agent (MTA) control program. See also dovecot, a mail delivery agent (MDA) that integrates with Postfix. More information:

  • Check the configuration:

sudo postfix check

  • Check the status of the Postfix daemon:

sudo postfix status

  • Start Postfix:

sudo postfix start

  • Gracefully stop Postfix:

sudo postfix stop

  • Flush the mail queue:

sudo postfix flush

  • Reload the configuration files:

sudo postfix reload