@ -56,7 +56,7 @@ smtpd_sasl_auth_enable = yes
smtpd_delay_reject = yes
smtpd_delay_reject = yes
smtpd_helo_required = yes
smtpd_helo_required = yes
# reject hosts with malformed identifiers
# reject hosts with malformed identifiers
smtpd_helo_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_invalid_helo_hostname, reject_non_fqdn_helo_hostname, reject_unknown_helo _hostname
smtpd_helo_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_invalid_helo_hostname, reject_non_fqdn_helo_hostname, reject_unknown_reverse_client _hostname
# reject hosts that improperly use SMTP commands
# reject hosts that improperly use SMTP commands
smtpd_data_restrictions = reject_unauth_pipelining
smtpd_data_restrictions = reject_unauth_pipelining
# reject unauthorized relay attempts
# reject unauthorized relay attempts