代碼: 選擇全部
smtpd_client_restrictions = permit_mynetworks, reject_unknown_sender_domain, reject_rbl_client sbl.spamhaus.org, reject_rbl_client bl.spamcop.net, reject_rbl_client xbl.spamhaus.org,reject_rbl_client relays.ordb.org,reject_rhsbl_client dsn.rfc-ignorant.org
maps_rbl_domains = relays.ordb.org
smtpd_sender_restrictions = permit_mynetworks, permit_sasl_authenticated,reject_unauth_destination, reject_maps_rbl