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-
-??? 250-
-??? 250-
-??? 250-
-??? 250-
-??? 250
+??? 250-myhost
+??? 250-SIZE
+??? 250-8BITMIME
+??? 250-PIPELINING
+??? 250-AUTH
+??? 250-STARTTLS
+??? 250 HELP
starttls
-??? 220
+??? 220 TLS
auth plain AHVzZXJ4AHNlY3JldA==
??? 503
****
-client-ssl 127.0.0.1 PORT_D
+client-gnutls 127.0.0.1 PORT_D
??? 220
ehlo foobar
-??? 250-
-??? 250-
-??? 250-
-??? 250-
-??? 250-
-??? 250
+??? 250-myhost
+??? 250-SIZE
+??? 250-8BITMIME
+??? 250-PIPELINING
+??? 250-AUTH
+??? 250-STARTTLS
+??? 250 HELP
starttls
-??? 220
+??? 220 TLS
ehlo foobar
-??? 250-
-??? 250-
-??? 250-
-??? 250-
-??? 250
+??? 250-myhost
+??? 250-SIZE
+??? 250-8BITMIME
+??? 250-PIPELINING
+??? 250-AUTH
+??? 250 HELP
auth plain AHVzZXJ4AHNlY3JldA==
??? 235
quit