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 x.y.z [1.2.3.4]
9 354 Enter message, ending with "." on a line by itself
10 250 OK id=10HmaX-0005vi-00
15 354 Enter message, ending with "." on a line by itself
16 250 OK id=10HmaY-0005vi-00
18 221 myhost.test.ex closing connection