smtpd_relay_restrictions = permit_mynetworks,permit_auth_destination,permit_sasl_authenticated,reject
smtpd_use_tls = yes
smtpd_tls_cert_file = /etc/ssl/certs/postfix.fukudat.net.crt # SSL Certificate
smtpd_tls_key_file = /etc/ssl/private/fukudat.net.key # SSL Private Key
</pre>