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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: marking dynamic ranges, was fixing insecure email infrastructure
On 01/25/05, Markus Stumpf <[email protected]> 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 <[email protected]> when you don't know the answer yet
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