gnutls
exim -DSERVER=server -bd -oX PORT_D
****
-client-ssl HOSTIPV4 PORT_D
+client-gnutls HOSTIPV4 PORT_D
??? 220
ehlo foobar
??? 250-
quit
??? 221
****
-client-ssl 127.0.0.1 PORT_D
+client-gnutls 127.0.0.1 PORT_D
??? 220
ehlo foobar
??? 250-
gnutls
exim -DSERVER=server -bd -oX PORT_D
****
-client-ssl 127.0.0.1 PORT_D
+client-gnutls 127.0.0.1 PORT_D
??? 220
ehlo foobar
??? 250-myhost
auth plain AHVzZXJ4AHNlY3JldA==
??? 503
****
-client-ssl 127.0.0.1 PORT_D
+client-gnutls 127.0.0.1 PORT_D
??? 220
ehlo foobar
??? 250-myhost
??? 220
<<< 220 TLS go ahead
Attempting to start TLS
-SSL connection using ke-RSA-AES256-SHAnnn
Succeeded in starting TLS
>>> ehlo foobar
??? 250-
??? 220 TLS
<<< 220 TLS go ahead
Attempting to start TLS
-SSL connection using ke-RSA-AES256-SHAnnn
Succeeded in starting TLS
>>> auth plain AHVzZXJ4AHNlY3JldA==
??? 503
??? 220 TLS
<<< 220 TLS go ahead
Attempting to start TLS
-SSL connection using ke-RSA-AES256-SHAnnn
Succeeded in starting TLS
>>> ehlo foobar
??? 250-myhost