smtpd_tls_cert_file = /etc/postfix/server.cer smtpd_tls_key_file = /etc/postfix/server.key smtpd_tls_CAfile = /etc/postfix/ca.cer smtpd_use_tls = yes
/etc/init.d/postfix restart /etc/init.d/dovecot restart /etc/init.d/saslauthd restar