Thank you, this solves the issue Have a nice evening __ Am 13.02.21, 22:12 schrieb "Viktor Dukhovni" <owner-postfix-us...@postfix.org im Auftrag von postfix-us...@dukhovni.org>:
On Sat, Feb 13, 2021 at 09:56:52PM +0100, Dan wrote: > It looks like that postfix don't know to handle other users. No, rather you have a syntax error in your main.cf file. > Okay how to solve this? Fix the syntax error. > Here the logs attached. > If I send a mail from gmail: > > Feb 13 21:44:06 CGSG postfix/smtpd[8296]: warning: unknown smtpd restriction: "smtpd_restriction_classes" > Feb 13 21:44:06 CGSG postfix/smtpd[8296]: NOQUEUE: reject: RCPT from mail-wr1-f49.google.com[209.85.221.49]: 451 4.3.5 Server configuration error; from=<da...@gmail.com> to=<da...@domain.com> proto=ESMTP helo=<mail-wr1-f49.google.com> You have "smtpd_restriction_classes" in the wrong place. > > > /etc/postfix/main.cf: > > smtpd_recipient_restrictions = > > ... > > check_recipient_access hash:/etc/postfix/protected_destinations > > ...the usual stuff... > > > > smtpd_restriction_classes = insiders_only > > insiders_only = check_sender_access hash:/etc/postfix/insiders, reject There must be leading whitespace in front of "smtpd_restriction_classes", as you would see if you use "postconf -nf", rather than just pasting the file content. You can see just the problem settings with: # postconf -n | grep smtpd_restriction_classes -- Viktor.