5.4 postfix no longer logging

[jason]

At some point in the last couple of weeks postfix on my 5.4-RELEASE system 
stopped logging to /var/log/maillog.  The only thing in there now (and for 
all of the saved maillog files) is the turnover timestamp.  Any 
suggestions where to look?

Thanks!

-- 
-Jason

-----
    --- There are no ABSOLUTE STATEMENTS   I'm very probably wrong. ---
"The difference between genius and stupidity is that genius has its limits."
  					- Albert Einstein