Re: [dmarc-ietf] Comment on draft-ietf-dmarc-psd

"John R Levine" <johnl@taugh.com> Mon, 09 December 2019 02:18 UTC

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Date: 8 Dec 2019 21:18:41 -0500
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From: "John R Levine" <johnl@taugh.com>
To: "Tim Wicinski" <tjw.ietf@gmail.com>
Cc: "IETF DMARC WG" <dmarc@ietf.org>
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Subject: Re: [dmarc-ietf] Comment on draft-ietf-dmarc-psd
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> (just a fan of
> https://www.ietf.org/archive/id/draft-levine-dbound-dns-03.txt)

Don't miss https://github.com/jrlevine/bound

I found and fixed a bunch of bugs in the spec when I implemented it.  Who 
knew that could happen?

>
> On Sun, Dec 8, 2019 at 4:58 PM John Levine <johnl@taugh.com> wrote:
>
>> In article <CADyWQ+HparFd6ubzr46mo63=oSrRqu1cjo0Xq=ZpERn+Yxx3=
>> Q@mail.gmail.com> you write:
>>> So we could decide on doing a combinatory of #3 and #1, with the right
>>> mechanisms.
>>
>> Publishing a list of PSD superdomains in the DNS is pretty trivial
>> using my dbound scheme, and should typically find out whether any name
>> needs a PSD check with one DNS query.  The total zone for the PSL is
>> under 10K records, so doing a local mirror should be easy, too.
>>
>> R's,
>> John
>>
>

Regards,
John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail. https://jl.ly