On 2/17/2016 1:56 AM, Michael Sperber wrote: >>> In the log, it goes on from there like this: >>> >>> ... >>> Feb 16 03:38:48 deinprogramm postfix/submission/smtpd[76503]: >>> generic_checks: name=permit_mynetworks status=1 >>> Feb 16 03:38:48 deinprogramm postfix/submission/smtpd[76503]: >>> END >>> Recipient address RESTRICTIONS <<<
The important information from the above log is that the client used the submission port. > # Postfix master process configuration file. For details on the format ... > submission inet n - n - - smtpd > -o syslog_name=postfix/submission ... > -o smtpd_recipient_restrictions=permit_sasl_authenticated,reject and your submission entry does not include permit_mynetworks. Clients connecting to submission are expected to use AUTH. If you have some that can't/don't AUTH, you'll need to add permit_mynetworks here. -- Noel Jones