550 Sender verify failed\r
250 Reset OK\r
250 OK\r
+550-Verification failed for <"unknown with spaces"@test.ex>\r
+550-Unrouteable address\r
+550 Sender verify failed\r
+250 Reset OK\r
+250 OK\r
250 Accepted\r
354 Enter message, ending with "." on a line by itself\r
550 Administrative prohibition\r
354 Enter message, ending with "." on a line by itself\r
451 Temporary local problem - please try later\r
221 the.local.host.name closing connection\r
+
+**** SMTP testing session as if from host 127.0.0.1
+**** 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\r
+250-the.local.host.name Hello foo.bar [127.0.0.1]\r
+250-SIZE 52428800\r
+250-8BITMIME\r
+250-PIPELINING\r
+250 HELP\r
+250 OK\r
+250 Reset OK\r
+250-the.local.host.name Hello foo.bar [127.0.0.1]\r
+250-SIZE 52428800\r
+250-8BITMIME\r
+250-PIPELINING\r
+250 HELP\r
+250 OK\r
+250 Reset OK\r
+250-the.local.host.name Hello foo.bar [127.0.0.1]\r
+250-SIZE 52428800\r
+250-8BITMIME\r
+250-PIPELINING\r
+250 HELP\r
+250 OK\r
+250 Reset OK\r
+250-the.local.host.name Hello foo.bar [127.0.0.1]\r
+250-SIZE 52428800\r
+250-8BITMIME\r
+250-PIPELINING\r
+250 HELP\r
+250 OK\r
+250 Reset OK\r
+250-the.local.host.name Hello foo.bar [127.0.0.1]\r
+250-SIZE 52428800\r
+250-8BITMIME\r
+250-PIPELINING\r
+250 HELP\r
+250 OK\r
+221 the.local.host.name closing connection\r