Milter-greylist

Hi,

 >What about defining the accounting rules at the beginning of the config
 >file and reuse them later?
That's a good idea

 >Problem: do we just reset counters every <duration> (here, 24h)? Or do
 >we try a sliding count? That would be much heavier to implement.

To me reseting all the counters every period will be enough. Maybe the 
<duration> could be changed to <period>  (hourly, daily, weekly, 
monthly, yearly)

Regards,
Jorge