--- /dev/null
+220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000\r
+250 OK\r
+250 Accepted\r
+354 Enter message, ending with "." on a line by itself\r
+550 message too big - $recipients=userx@test.ex (1)\r
+221 myhost.test.ex closing connection\r
+220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000\r
+250-myhost.test.ex Hello CALLER at Testing\r
+250-SIZE 52428800\r
+250-PIPELINING\r
+250 HELP\r
+250 OK\r
+550 SIZE value too big\r
+221 myhost.test.ex closing connection\r