ヒント postfixを「WITH_TLS=yes」オプションでインストールしていない場合は 「WITH_TLS=yes」オプションでインストールしてください。 [root@freebsd ~]# cd /etc/ssl/ [root@freebsd ssl]# openssl req -new -x509 -days 3650 -key server.key -out mail.crt You are about to be asked to enter information that will be incorporated into your certificate request. What you are about to enter is what is called a Distinguished Name or a DN. There are quite a few fi