On 01/25/05, Markus Stumpf <maex-lists-nanog@Space.Net> wrote:
I am generalizing on what I see from about 300 mailservers and about 1 million messages a day.
One million ain't much by today's standards. That gets lost in the noise at any of the bigger providers. I'd question whether that gives you a sufficiently wide sample. (I'm also surprised you need 300 servers to handle such a small load -- what is that, ~3333 messages per server per day?)
As you can see, we don't filter out "no revDNS", too. But setting MTAMARK records would give the admins of the receiving mailservers a hint as how to classify the sending IP.
Sure! It's a great idea...but if you could get every site in the world to cooperate on ANY great idea, we'd be way ahead. -- J.D. Falk uncertainty is only a virtue <jdfalk@cybernothing.org> when you don't know the answer yet