you need to use openssl s_client -connect mailserver:port to get the auth advertising, so pure telnet is not encrypted connection.
Sorry, the correct commandline is:
openssl s_client -starttls smtp -connect mailhost:port -- Eero
you need to use openssl s_client -connect mailserver:port to get the auth advertising, so pure telnet is not encrypted connection.
Sorry, the correct commandline is:
openssl s_client -starttls smtp -connect mailhost:port -- Eero