OK. Blank the "mydestination" Anything else ? -----Original Message----- From: <owner-postfix-us...@postfix.org> on behalf of Wietse Venema <wie...@porcupine.org> Reply-To: Postfix users <postfix-users@postfix.org> Date: Thursday, July 22, 2021 at 14:45 To: Postfix users <postfix-users@postfix.org> Subject: [EXTERNAL] Re: How do I tell a relay to relay ?
White, Daniel E. (GSFC-770.0)[NICS]: > Server 1 - MTA - Relay only - Postfix, Amavis, Spamassassin, Clam AV - No local or virtual mail users on this server. > Server 2 - MDA - Where the Mailboxes Live - Postfix, Dovecot, RoundCube, PostfixAdmin - All mail users are virtual. > > Mail sent to the MTA wants to deliver to a local user on MTA rather > than relaying to MDA. We get the ??User unknown in local recipient > table? error, which makes sense. What are the configuration > settings that we have obviously missed that will send the mail to > MDA and NOT try to deliver mail locally on MTA ? Postfix will deliver a domain locally when it matches mydestination. So don't do that. Wietse