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
8 504 rhubarb authentication mechanism not supported
9 504 rhubarb authentication mechanism not supported
10 504 rhubarb authentication mechanism not supported
11 504 rhubarb authentication mechanism not supported
12 554 Too many nonmail commands