+220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000\r
+250 myhost.test.ex Hello root at test [V4NET.0.0.2]\r
+250 OK\r
+550-Verification failed for <NOTok2@elsewhere>\r
+550-Called: 127.0.0.1\r
+550-Sent: RCPT TO:<NOTok2@elsewhere>\r
+550-Response: 550 NO\r
+550 Sender verify failed\r
+221 myhost.test.ex closing connection\r