Procmail config files on RH 6.0

Hello All:
        I have procmail on Red Hat 6.0 and it works just fine for me. 
However, I expect that sometime in the near future, I will be making a 
clean reinstall of Linux. To that end, I need to refresh my mind and
document all system configuration files relevant to procmail.

I'd appreciate it if someone could point me to the best sources or
file list.

Thanks
-- 
Tim Johnson <tim(_at_)johnsons-web(_dot_)com>
       http://www.johnsons-web.com
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