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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Sender authentication & zombies (was Re: Time to check therate limits on your mail servers)
On Sat, 2005-02-05 at 19:10, J.D. Falk wrote: > On 02/05/05, Douglas Otis <[email protected]> wrote: > > > DK or IIM makes it clear who is administering the server and this > > authentication permits reputation assessment. Add an account > > identifier, and the problem is nailed. > > Ah, so you're saying that only the reputation of individual > e-mail addresses is worth paying attention to? How do you > expect that to scale to billions of messages per day? Without authenticating an identity, it must not be used in a reputation assessment. Currently this is commonly done by using the remote IP address authenticated through the action of transport. In the name space there are two options, the HELO and a validated signature. DK and IIM are attempting to allow the signature solution to scale. -Doug
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