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imgate# postconf smtpd_recipient_restrictions
smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination, reject_unknown_sender_domain, reject_non_fqdn_sender, reject_non_fqdn_recipient, reject_unknown_recipient_domain, reject_unverified_recipient, hash:/etc/postfix/to_recipients_bw.map, reject_unauth_destination, hash:/etc/postfix/from_senders_bw.map, check_client_access hash:/etc/postfix/mta_clients_bw.map, check_helo_access regexp:/etc/postfix/helo_hostnames.regexp, reject_invalid_hostname, reject_non_fqdn_hostname, reject_rbl_client relays.ordb.org, reject_rbl_client opm.blitzed.org, reject_rbl_client list.dsbl.org, reject_rbl_client sbl.spamhaus.org, reject_rbl_client cbl.abuseat.org, reject_rbl_client dul.dnsbl.sorbs.net, check_helo_access hash:/etc/postfix/helo_hostnames.map, permit