Hello Wietse, thanks. But the IP ist he IP oft that host server.sub.dom.local.
It's compaining about the new mailadress -----Ursprüngliche Nachricht----- Von: owner-postfix-us...@postfix.org <owner-postfix-us...@postfix.org> Im Auftrag von Wietse Venema Gesendet: Donnerstag, 2. April 2020 18:27 An: Postfix users <postfix-users@postfix.org> Cc: postfix-users@postfix.org; u...@porcupine.org Betreff: Re: STMP is rejecting and i'm not sure why Dirk Laurenz: > Hello $list, > > my server rejects an email from certiain domain: > > <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) Your Postfix is rejecting mail because a REMOTE SMTP SERVER [xx.xx.xx.xx] is rejecting the mail. > The sender has changed his mail from u...@sub.dom.com > <mailto:u...@sub.dom.com> to u...@dom.com <mailto:u...@dom.com> Can you see that remote SMTP server is complaining about the OLD form onl...@server.sub.dom.local not the NEW form u...@dom.com. Wietse
