> Now, from your logs, just how much legitimate mail do you get that comes > from an IP without PTR RR, and how much is that expressed as a > percentage of legitimate incoming mail to your lists? How much is that > as a percentage of spam inbound to your list [to be fair, let's make it > "spam that would not have been stopped by your other filters]?
btw, i did give you a cursory answer to this. and i asked if you would provide some data. randy, waiting