Jonas Eckerman writes: > Josie Walls wrote: > > Would this group agree that requiring 5 hits in order to classify an email > > as spam is too conservative a number? > > I wouldn't. > > We reject everything with a score of 18 or higher, quarantine > everything with 9 or higher (I read the quarantine reports every > work day), and let everything else get through with spam score > (numeric and as "**") in headers. > > Individual users are free to filter based on the headers if they > like, but most don't. > > Of course, the optimal thresholds depends on how your system is > setup, what happens when the score gets over a threshold, what > rules you use, how well your bayes system works, how important it > is to avoid FPs etc, etc.
Sounds like a great opportunity to mention this chart I made from the thresholds used in SpamAssassin 3.2.0: http://taint.org/sa/thresholds-320/ --j.
