Why not allow the DMARC record to specify what domain root the identifier
must align with? Instead of adkim=r meaning "consult the PSL list", use
adkim=example.com to mean "use relaxed alignment, and the organizational
domain is example.com".


On Thu, Oct 28, 2021 at 10:33 AM Barry Leiba <barryleiba=
[email protected]> wrote:

> > The best result would be for IANA to maintain the PSL.  It seems obvious
> that this should be part of their job.
>
> Well, to be clear about what that would mean: IANA doesn't "manage"
> any registries in the sense that they determine the contents.  They
> administer the registries under direction from the IETF and/or
> designated experts.  So, having IANA administer (or host) the PSL
> would still mean that some designated expert or team of such would
> have to tell them what changes to make when.
>
> The benefits we'd get from IANA would be a long-term well-known place
> to find it, and a process to control the updates.  But the mechanism
> for making changes would be the same.
>
> Barry
>
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>
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