[CentOS] Double Copies Double Copies [SOLVED] itself

On Thursday, 02 February, 2012 @01:59 UTC,
Mark LaPierre spake thusly:

> I didn't change anything since I wrote the last time.  It's working
> fine now.  Only one copy of each email.  Hmmm?  Must be an AOL issue
> that they fixed.  Funny that it only affected the CentOS mail.

I saw exactly 4.
http://i41.photobucket.com/albums/e273/Darr247/DoubleCopiesDoubleCopies.png