Jan P. Kessler: > Maybe I can answer the question myself - it would be nice if anybody > could confirm: > > # postconf -d|grep smtpd_relay_restr > ... > smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated, > defer_unauth_destination > > I guess that I should set: > > smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated, > reject_unauth_destination > > Am I right?
Yes, if you agree with the setting. smtpd_relay_restrictions was introduced late in the life of Postfix, and making this a hard reject by default would be too disruptive. Wietse