Correction:   GOV.UK is not part of the UK organization, therefore relaxed
alignment does not apply

On Tue, Jul 26, 2022 at 7:11 AM Douglas Foster <
[email protected]> wrote:

> I don't see that the text reflects Ale's understanding either, and I think
> he has been arguing that a design based on that understanding is
> unsupportable.   UK.COM is not part of any organization, so relaxed
> alignment cannot be a consideration.
>
> Section 4.6 item 7 says that the walk ends on PSD=Y or PSD=N, without any
> apparent exclusion for the same-domain policy.   We need consensus on what
> is intended as well as consensus that what is written for
>
> To help determine design implications, iIt would be useful to analyze the
> PSL to build a complete list of entries whose parent domain is not in the
> registry.   For public registries, an unlisted parent domain would imply an
> error in the list.   For private registries, an unlisted parent domain
> would indicate a domain where relaxed alignment might be desired by the
> registry operator.
>
> Doug
>
>
>
> On Mon, Jul 25, 2022, 9:27 AM Alessandro Vesely <[email protected]> wrote:
>
>> On Mon 25/Jul/2022 12:56:02 +0200 Douglas Foster wrote:
>> > We had a discussion about domains that need to set both PSD=Y and
>> > PSD=N.   It highlighted one of the problems with using a tag which
>> > implies mutual exclusivity when exclusivity does not apply.
>> >
>> > The stated solution was that when PSD=Y is found on the same-domain
>> > policy, then PSD=N is also assumed, which implies that strict
>> > alignment is also applied.   This seemed like a reasonable solution.
>> >
>> > However, I cannot find any reference to this principle in the
>> > specification.   What happened?
>>
>>
>> To impose strict alignment to PSDs which send mail was hypothesized in
>> March.  Afterwards, the algorithm was changed by disregarding psd=y at
>> step 2; that is, on the domain input to the algorithm.  Therefore, a
>> sending (or signing) PSD operates as part of its org domain.
>>
>> In an example I posted, I showed that mail.psd.org.example cannot work
>> to authenticate From: [email protected].  However, a sibling like
>> signing.org.example would be in relaxed alignment.
>>
>> I still think an example like this is clarifying, albeit unreal.
>>
>>
>> Best
>> Ale
>> --
>>
>>
>>
>>
>>
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>
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