550 failure message\r
250 Reset OK\r
250 OK\r
-451 Temporary local problem - please try later\r
+451 defer message\r
250 Reset OK\r
221 the.local.host.name closing connection\r
220 the.local.host.name ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000\r
250 Accepted\r
354 Enter message, ending with "." on a line by itself\r
550-Rejected after DATA: '>' missing at end of address:\r
-550 failing address in "From" header is: <bad@syntax\r
+550 failing address in "From:" header is: <bad@syntax\r
250 OK\r
250 Accepted\r
354 Enter message, ending with "." on a line by itself\r