smtpd_recipient_restrictions =
              reject_invalid_hostname,
              reject_non_fqdn_hostname,
              reject_non_fqdn_sender,
              reject_non_fqdn_recipient,
              reject_unknown_sender_domain,
              reject_unknown_recipient_domain,
              reject_unknown_hostname,
              reject_unknown_client,
              reject_unauth_pipelining,
              check_client_access hash:/etc/postfix/access,
              permit_mynetworks,
              permit_sasl_authenticated,
              reject_unauth_destination,
              reject_rhsbl_client blackhole.securitysage.com,
              reject_rhsbl_sender blackhole.securitysage.com,
              reject_rbl_client blackholes.mail-abuse.org,
              reject_rbl_client blackholes.easynet.nl,
              reject_rbl_client cbl.abuseat.org,
              reject_rbl_client proxies.blackholes.wirehub.net,
              reject_rbl_client bl.spamcop.net,
              reject_rbl_client dnsbl.njabl.org,
              reject_rbl_client list.dsbl.org,
              reject_rbl_client multihop.dsbl.org,
              reject_rbl_client block.dnsbl.sorbs.net,,
              reject_rbl_client badconf.rhsbl.sorbs.net,
              reject_rbl_client nomail.rhsbl.sorbs.net,
              reject_rbl_client zombie.dnsbl.sorbs.net,
              reject_rbl_client spam.dnsbl.sorbs.net,
              reject_rbl_client misc.dnsbl.sorbs.net,
              reject_rbl_client web.dnsbl.sorbs.net,
              reject_rbl_client smtp.dnsbl.sorbs.net,
              reject_rbl_client dul.dnsbl.sorbs.net,
              reject_rbl_client http.dnsbl.sorbs.net,
              reject_rbl_client dnsbl.sorbs.net,
              reject_rbl_client sbl-xbl.spamhaus.org,
              reject_rbl_client sbl.spamhaus.org,
              reject_rbl_client bl.spamcannibal.org,
              reject_rbl_client blackholes.five-ten-sg.com,
              reject_rbl_client cbl.anti-spam.org.cn,
              reject_rbl_client cblless.anti-spam.org.cn,
              reject_rbl_client dialups.mail-abuse.org,
              reject_rbl_client dnsbl.ahbl.org,
              reject_rbl_client dnsbl.karmasphere.com,
              reject_rbl_client dnsbl.njabl.org,
              reject_rbl_client map.spam-rbl.com,
              reject_rbl_client rbl-plus.mail-abuse.org,
              reject_rbl_client relays.mail-abuse.org,
              reject_rbl_client sorbs.dnsbl.net.au,
              reject_rbl_client xbl.spamhaus.org,
              reject_rbl_client zen.spamhaus.org,
              permit