postconf -e 'cyrus_sasl_config_path = /etc/postfix/sasl' postconf -e 'smtpd_sasl_local_domain = $myhostname' postconf -e 'smtpd_sasl_auth_enable = yes' postconf -e 'broken_sasl_auth_clients = yes' postconf -e 'smtpd_sasl_security_options = noanonymous' postconf -e 'smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination'