1 220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
2 250-myhost.test.ex Hello CALLER at a.b.c.d
9 354 Enter message, ending with "." on a line by itself
10 550-Verification failed for <CALLER@test.ex>
12 550 message="Sender verify failed"
13 221 myhost.test.ex closing connection