--- /root/backup/mailman/SimpleMatch.py 2018-11-23 12:56:14.705132492 -0200
+++ SimpleMatch.py      2018-11-26 10:27:52.638069460 -0200
@@ -189,6 +189,9 @@
      _c('This is a copy of your message'),
      _c('\s(?P<addr>[^\s@]+@[^\s@]+)')),
     # Next one goes here...
+    (_c('An error has occurred while attempting to deliver a message for'),
+     _c('Below is a copy of the original message'),
+     _c('^\s*(?P<addr>[^\s@]+@[^\s@]+)')),
     ]