I did do the apt-get update after I posted and tried again to no avail. I did you what you suggested and still no go. The difference is that when I did it I only did apt-get install maildrop, you suggested courier-maildrop.
root@wci:~# maildrop -v
maildrop 2.0.4 Copyright 1998-2005 Double Precision, Inc.
GDBM/DB extensions enabled.
Maildir quota extension enabled.
This program is distributed under the terms of the GNU General Public
License. See COPYING for additional information.
This is after I ran
apt-get update && apt-get install courier-maildrop