| gerrit_sender_check = check_client_access hash:/tmp/docker-mailserver/gerrit-client.access, reject | |
| smtpd_restriction_classes = gerrit_sender_check | |
| dms_smtpd_sender_restrictions = check_sender_access hash:/tmp/docker-mailserver/user.access, permit_sasl_authenticated, permit_mynetworks, reject_unknown_sender_domain |