On 09/12/16 15:02, Alex wrote: > It looks like this is what's enabling it on port 25: > smtps inet n - n - - smtpd > -o syslog_name=postfix/smtps > -o smtpd_tls_wrappermode=yes > -o smtpd_sasl_auth_enable=yes > -o smtpd_client_restrictions=permit_sasl_authenticated,reject > -o milter_macro_daemon_name=ORIGINATING
smtps is not port 25, it's a deprecated means of submission: https://en.wikipedia.org/wiki/SMTPS You should not be offering smtps at all, but if you do then you must offer auth on it. > Maybe adding "-o syslog_name=postfix/smtps" would help to identify > them in the logs? That line is already there. Peter