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Re: Last Call: draft-irtf-asrg-dnsbl (DNS Blacklists and Whitelists)

Keith Moore <moore@network-heretics.com> Mon, 10 November 2008 15:19 UTC

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Date: Mon, 10 Nov 2008 10:18:40 -0500
From: Keith Moore <moore@network-heretics.com>
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To: John Levine <johnl@iecc.com>
Subject: Re: Last Call: draft-irtf-asrg-dnsbl (DNS Blacklists and Whitelists)
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John Levine wrote:

> As I said a few messages up in this string, although the structure of
> IPv4 DNSxLs has long since been cast in concrete, IPv6 DNSxLs aren't
> that mature yet and one of my goals was to make them interoperate
> equally well so, for example, if you find you're using cruddy ones you
> can easily switch to better ones.

I suspect it will be very difficult to make IPv6 DNSxLs work anywhere
nearly as well as IPv4 DNSxLs, because in IPv6 it is fairly easy to use
a different address for every SMTP conversation.
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