**** SMTP testing session as if from host 1.1.1.1 **** but without any ident (RFC 1413) callback. **** This is not for real! 220 the.local.host.name ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000 250 is deliverable 550 Unrouteable address 451 Cannot resolve at this time 221 the.local.host.name closing connection