header_checks = regexp:$cfgdir/reject

smtpd_recipient_restrictions =  regexp:$cfgdir/regexp,
                                check_sender_access hash:$cfgdir/junk
                                check_client_access hash:$cfgdir/no_relay,
                                reject_non_fqdn_recipient,
                                reject_non_fqdn_sender,
                                reject_unauth_pipelining,
                                reject_invalid_hostname,
                                reject_unknown_sender_domain,
                                reject_unknown_recipient_domain,
                                reject_rbl_client sbl.spamhaus.org,
                                permit_auth_destination,
                                permit_mynetworks,
                                reject


smtpd_client_restrictions =     reject_rbl_client sbl.spamhaus.org,
                                permit_mynetworks,
                                permit