Am 23.05.20 um 18:00 schrieb Ralph Seichter:
From: Thomas Mustermann <nore...@domain.tld>
with the address nore...@domain.tld being *unknown* on your MX. That
should result in a generic 5xx rejection. If you want more control over
the rejection message, you can use something like the following:
# /etc/postfix/main.cf
smtpd_recipient_restrictions =
...
check_recipient_access pcre:/etc/postfix/recipient_access
...
Hi, thanks, that I will try. Thomas
