--- /dev/null
+220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000\r
+250-myhost.test.ex Hello CALLER at a.b.c [10.9.8.10]\r
+250-SIZE 52428800\r
+250-PIPELINING\r
+250-STARTTLS\r
+250 HELP\r
+550 Administrative prohibition\r
+221 myhost.test.ex closing connection\r