0443

   1
   2 **** SMTP testing session as if from host V4NET.0.0.1
   3 **** but without any ident (RFC 1413) callback.
   4 **** This is not for real!
   5
   6 220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
   7 250 OK
   8 451 Could not complete sender verify callout
   9 221 myhost.test.ex closing connection