daniel quinlan quinlanpathnamecom jmjmasonorg justin mason writes folks whove hacking dnsbls would worthwhile commenting head seeing gets 77 anyway sounds like broken server b low hitrate combine make notsouseful imo opinion purely bug sa libraries use thing dont handle outages network services better rule useful help reduce spam keep feeling dnsbl rules cluster bit heavily around 10 20 range start using new ga also 077 slightly conservative number since didnt realtime data typically used lower median number different periods recent month two months six months depending trend period data better performance recent messages favor recent scores worse performance recent messages favor lowest scores never pick highest number unless rule accurate highest number recent data dan 17 sep 2002 133149 0700 sadev satalk spamassassin unconfirmeddsblorg