+250 myhost.test.ex Hello root at test [V4NET.0.0.3]\r
+250 OK\r
+550-Callout verification failed:\r
+550 550 Recipient not liked, with bad char:(truncated)\r
+221 myhost.test.ex closing connection\r
+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.0.0.3]\r