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From Matthias Leisi <matth...@leisi.net>
Subject Re: IPv6 DNSBL/WL design, was Fwd: [Asrg] draft-levine-iprangepub-01
Date Thu, 30 Dec 2010 20:58:10 GMT
> John, I agree that your draft is clever.  But I think it's really
> stretching DNS way beyond what it was designed for and it might be
> time to look at a different approach.  To paraphrase the old saying,
> when all you have is DNS, every problem looks like a lookup.

To be honest, my first reaction to the proposal was similar.
Additionally, I'm a bit worried by the complexity we add to a
previously extremely simple protocol.

>From my perspective as an operator of a whitelist, I have three main concerns:

1) I want to be able to manage the load on my (public, for-free)
infrastructure.
2) I want to make it easy for filters to use our data (both in
development and operations).
3) I want to get some insight into what is being queried (to identify
good [and bad] e-mail senders we don't know about yet).

John's proposal should help me with #1, and possibly with #2, since it
is mostly an evolution of existing concepts and tool chains.
Unfortunately, #3 will get much harder.

-- Matthias

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