Hello $list,
What does "Recipient domain xxx.xxx is not used" mean? As the fqdn oft he server is server.sub.dom.local and the user ist now u...@dom.com <mailto:u...@dom.com> and internally user@dom.local <mailto:user@dom.local> could this be a access restriction? Von: owner-postfix-us...@postfix.org <owner-postfix-us...@postfix.org> Im Auftrag von Dirk Laurenz Gesendet: Donnerstag, 2. April 2020 16:52 An: postfix-users@postfix.org Betreff: STMP is rejecting and i'm not sure why Hello $list, my server rejects an email from certiain domain: <onl...@server.sub.dom.local <mailto:onl...@server.sub.dom.local> >: host server.sub.dom.local [xx.xx.xx.xx] said: 550 5.7.1 <onl...@server.sub.dom.local <mailto:onl...@server.sub.dom.local> >: Recipient address rejected: Recipient domain dom.local is not used. (in reply to RCPT TO command) The sender has changed his mail from u...@sub.dom.com <mailto:u...@sub.dom.com> to u...@dom.com <mailto:u...@dom.com> What's going wrong here? Regards and thanks for your help Dirk