??? 250-
<<< 250-SIZE 52428800
??? 250-
+<<< 250-8BITMIME
+??? 250-
<<< 250-PIPELINING
??? 250-
<<< 250-STARTTLS
??? 214-
<<< 214-Commands supported:
??? 214
-<<< 214 AUTH STARTTLS HELO EHLO MAIL RCPT DATA NOOP QUIT RSET HELP
+<<< 214 AUTH HELO EHLO MAIL RCPT DATA NOOP QUIT RSET HELP
>>> quit
??? 221
<<< 221 myhost.test.ex closing connection