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 OK\r
-250 Accepted\r
+451 Could not complete sender verify callout\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 OK\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 OK\r
-250 Accepted\r
+451 Could not complete sender verify callout\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 OK\r