# Dovecot authentication (server only)
exim -DSERVER=server -bd -oX PORT_D
****
+# Try without TLS
client -t3 127.0.0.1 PORT_D
+??? 220 myhost
+EHLO xxxx
+??? 250-myhost
+??? 250-SIZE
+??? 250-8BITMIME
+??? 250-PIPELINING
+??? 250-AUTH
+??? 250-STARTTLS
+??? 250 HELP
+AUTH PLAIN AHVzZXJ4AHNlY3JldA==
+??? 535
+quit
+??? 221
+****
+# TLS, but no client certificate
+client-gnutls -t3 127.0.0.1 PORT_D
+??? 220
+EHLO xxxx
+??? 250-
+??? 250-
+??? 250-
+??? 250-
+??? 250-
+??? 250-
+??? 250
+STARTTLS
+??? 220
+EHLO xxxx
+??? 250-
+??? 250-
+??? 250-
+??? 250-
+??? 250-
+??? 250
+AUTH PLAIN AHVzZXJ4AHNlY3JldA==
+??? 535
+quit
+??? 221
+****
+# TLS with client certificate
+client-gnutls -t3 HOSTIPV4 PORT_D DIR/aux-fixed/cert2 DIR/aux-fixed/cert2
??? 220
EHLO xxxx
??? 250-
??? 250-
??? 250-
??? 250-
+??? 250-
+??? 250-
+??? 250
+STARTTLS
+??? 220
+EHLO xxxx
+??? 250-
+??? 250-
+??? 250-
+??? 250-
+??? 250-
??? 250
AUTH PLAIN AHVzZXJ4AHNlY3JldA==
??? 535