Stuff

smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous
broken_sasl_auth_clients = yes
smtpd_delay_reject = yes
smtpd_helo_required = yes
disable_vrfy_command = yes
strict_rfc821_envelopes = yes
smtpd_sender_restrictions =
        permit_sasl_authenticated,
        permit_mynetworks,
        reject_non_fqdn_sender,
        reject_unknown_sender_domain,
        permit
smtpd_recipient_restrictions =
        permit_sasl_authenticated,
        permit_mynetworks,
        reject_invalid_hostname,
        reject_non_fqdn_hostname,
        reject_non_fqdn_sender,
        reject_non_fqdn_recipient,
        reject_unknown_sender_domain,
        reject_unknown_recipient_domain,                                
        reject_unauth_pipelining,
        check_policy_service inet:127.0.0.1:60000,
        reject_unauth_destination,
                reject_rbl_client zen.spamhaus.org,
                reject_rbl_client bl.spamcop.net,
                reject_rbl_client list.dsbl.org,
                reject_rbl_client sbl-xbl.spamhaus.org,
                reject_rbl_client whois.rfc-ignorant.org,
                reject_rbl_client ix.dnsbl.manitu.org,
                reject_rbl_client multihop.dsbl.org,
                reject_rbl_client dnsbl.ahbl.org,
                reject_rbl_client rhsbl.ahbl.org,
        permit
smtpd_data_restrictions =
        reject_unauth_pipelining,
        permit