"ACCEPT hosts=localhost lookup=byname"@some.host cannot be resolved at this time: remote host address is the local host
"DECLINE cannot route this one (DECLINE)"@some.host is undeliverable: Unrouteable address
"FAIL cannot route this one (FAIL)"@some.host is undeliverable: cannot route this one (FAIL)
"ERROR cannot route this one (ERROR)"@some.host cannot be resolved at this time: bad command yield: ERROR cannot route this one (ERROR)
"DEFER cannot route this one (DEFER)"@some.host cannot be resolved at this time: cannot route this one (DEFER)
"ACCEPT transport = other_smtp hosts=ten-1.test.ex"@some.host
  router = q, transport = other_smtp
  host ten-1.test.ex [V4NET.0.0.1]
PASS@some.host
  router = s, transport = smtp
  host 127.0.0.1 [127.0.0.1]
"FREEZE cannot route this one (FREEZE)"@some.host cannot be resolved at this time: cannot route this one (FREEZE)
postmaster@test.ex
    <-- "REDIRECT postmaster@test.ex"@some.host
  router = pm, transport = null

**** SMTP testing session as if from host V4NET.2.3.4
**** but without any ident (RFC 1413) callback.
**** This is not for real!

220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
250-myhost.test.ex Hello some.name [V4NET.2.3.4]
250-SIZE 52428800
250-8BITMIME
250-PIPELINING
250 HELP
250 OK
550 cannot route this one=(FAIL)
221 myhost.test.ex closing connection