#openssl s_client -starttls smtp -connect localhost:587 그밖의 팁
#openssl s_client -showcerts -connect localhost:587 -CApath /etc/postfix/ssl/rapidSSL.crt #openssl verify -CAfile /etc/postfix/ssl/vpb.crt /etc/postfix/ssl/vpb.key]]>
#openssl s_client -starttls smtp -connect localhost:587 그밖의 팁
#openssl s_client -showcerts -connect localhost:587 -CApath /etc/postfix/ssl/rapidSSL.crt #openssl verify -CAfile /etc/postfix/ssl/vpb.crt /etc/postfix/ssl/vpb.key]]>