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[dmarc-ietf] Re: Evaluating consensus on the idea of making ARC "Historic"

Isamu Koga <koga@iij.ad.jp> Mon, 06 July 2026 10:59 UTC

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From: Isamu Koga <koga@iij.ad.jp>
Organization: Internet Initiative Japan
To: dmarc@ietf.org
Date: Mon, 06 Jul 2026 19:56:47 +0900
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Subject: [dmarc-ietf] Re: Evaluating consensus on the idea of making ARC "Historic"
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> I think we should NOT make ARC historic, yet.
> 
> 1. ARC is actively deployed and utilized
> 2. No interoperable replacement is yet published

I totally agree with Seth.

It is too early to make ARC Historic at this point.  ARC may eventually be
deprecated, but no interoperable replacement exists today.  If a customer
were to ask what interoperable alternative is currently available, I would
not have a good answer.

-- 
Isamu Koga <koga@iij.ad.jp>
Manager, Operation & Engineering Section.
Internet Initiative Japan (IIJ)

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