"Problem Messages"

[Johnny Stork]

Ever since one of the last upgrades, I have been getting these "Problem 
Messages" emails.

Are these messages that I should/could delete somewhere? Or how can I 
find out exactly what the "problem"
  is with these?

Thanks :)


Archive:

Number of messages: 9
Tries	Message	Last Tried
=====	=======	==========
6	n96BpwUm020190	Tue Oct  6 05:15:04 2009
6	n8MF8URm009682	Tue Sep 22 08:32:58 2009
6	n8MF0cF5009244	Tue Sep 22 08:24:39 2009
6	n8MEpc2L008762	Tue Sep 22 08:16:02 2009
6	n8LCan8m013668	Mon Sep 21 05:56:59 2009
6	n81F8Vnb032496	Tue Sep  1 08:30:34 2009
6	n7VEF6dJ016460	Mon Aug 31 07:40:17 2009
6	n7NLWIis032081	Sun Aug 23 14:55:14 2009
6	n7NHVwFX022003	Sun Aug 23 10:56:27 2009