Re: [DNSOP] I-D Action: draft-ietf-dnsop-isp-ip6rdns-03.txt

"John Levine" <johnl@taugh.com> Thu, 11 May 2017 17:03 UTC

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Date: 11 May 2017 16:58:52 -0000
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From: "John Levine" <johnl@taugh.com>
To: dnsop@ietf.org
Cc: paul@redbarn.org
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Archived-At: <https://mailarchive.ietf.org/arch/msg/dnsop/ML7SfwRI1m5Dp4UzCZdF6V297Z4>
Subject: Re: [DNSOP] I-D Action: draft-ietf-dnsop-isp-ip6rdns-03.txt
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In article <5908DAF9.90802@redbarn.org> you write:

>> behalf of pch-dnsop-1@u-1.phicoh.com> wrote:
>> 
>>> In my experience, without reverse DNS it is essentially impossible to have
>>> mail delivered to the internet at large.
>> 
>> Yes.
>
>since this isn't an ideal or intended state of affairs, let's consider
>the size and shape of the box, not just what's in there.

What would be the operational advantage of accepting mail from IPv6 hosts
too lame to set up rDNS?

R's,
John