Jeff,
You'll find some stats from our mail server at :
http://j-chkmail.ensmp.fr/urlbl/urlbl.txt
Some words about it :
- When a list get a hit, it stops searching other lists. - The first list checked is the our one. surbl lists are checked just after our one, in alphabetical order. This means : j-chkmail ab.surbl.org ...
So, our stats doesn't show all lists, but if this interests you, I can easily adapt our stats scripts to get hits for all lists.
Either way, this shows that most spam detection using SURBL, at our domain, comes from ab and multi. This conclusion is mitigated by : - many entries from our list (j-chkmail) may exist on ob/sc or ws. - our list (j-chkmail) isn't being updated too frequently, because as I said you before, I add entries only when they aren't yet at surbl lists and surbl lists are being updated very fast...
Best
Jose-Marcio
In order to explore some conjunctions of existing lists that might have fewer false positives, we've created some stats measuring the number of DNS hits against all blocklists that the individual lists get, along with some permutations of those lists.
Jeff C.
Jeff Chan mailto:jeffc@surbl.org http://www.surbl.org/