Limiting Procmail processes

Hello All,

We need to limit the procmail processes. We're using procmail as
mail.local and need to limit the number of processes because we're
suffering a big spam attacks with mail bombs.

Thanks
-----------------------------------------------
Isamar Maia    
mailto:isamar(_at_)magiclink(_dot_)com(_dot_)br  
MagicLink Systems          Salvador - BA - Brazil
+55-(0)71-351-1615         May the Power Be with you