161 shaares
154 private links
154 private links
IMAP via SSL using port 993:
openssl s_client -showcerts -connect mail.example.com:993 -servername mail.example.comPOP3 via SSL using port 995:
openssl s_client -showcerts -connect mail.example.com:995 -servername mail.example.comSMTP via SSL using port 465:
openssl s_client -showcerts -connect mail.example.com:465 -servername mail.example.comSMTP via TLS/StartTLS using port 25 or 587
openssl s_client -starttls smtp -showcerts -connect mail.example.com:25 -servername mail.example.com