+--NNNNNNNNNN-eximdsn-MMMMMMMMMM
+Content-type: message/delivery-status
+
+Reporting-MTA: dns; myhost.test.ex
+
+Action: failed
+Final-Recipient: rfc822;b1@myhost.test.ex
+Status: 5.0.0
+Action: failed
+Final-Recipient: rfc822;d3@myhost.test.ex
+Status: 5.0.0
+Remote-MTA: dns; 127.0.0.1
+Diagnostic-Code: smtp; 550 hard error
+
+--NNNNNNNNNN-eximdsn-MMMMMMMMMM
+Content-type: message/rfc822