On Mon 04/Apr/2022 15:14:07 +0200 Scott Kitterman wrote:
On Sunday, April 3, 2022 12:15:23 PM EDT Alessandro Vesely wrote:
On Mon 21/Mar/2022 23:02:03 +0100 Scott Kitterman wrote:
On March 21, 2022 5:42:42 PM UTC, Alessandro Vesely <[email protected]> wrote:
According to the definition, two identical domains having psd=y are in strict alignment but not in relaxed alignment, which is somewhat counterintuitive.

Actually, no:

"If this process does not determine the Organizational Domain, then
    the initial target domain is the Organizational Domain."

This text in DMARCbis06 addresses that case.

While that's true, it could be possible to revise the comparison process so as to account for identical domains. In that case, we could avoid to call Organizational Domain one with no DMARC record.

I thought I had covered this already in Section 4.8. I'll add it to the list in the note.


Yeah, the text you wrote Sunday night looks better.  I'd say:

   If this process does not determine the Organizational Domain, then
   there is no Organizational Domain.

That requires rewording the definitions of relaxed alignment.  For example:

OLD
   In relaxed mode, the Organizational Domains of both the DKIM-
   authenticated signing domain (taken from the value of the d= tag in
   the signature) and that of the RFC5322.From domain must be equal if
   the identifiers are to be considered to be aligned.  In strict mode,
   only an exact match between both Fully Qualified Domain Names (FQDNs)
   is considered to produce Identifier Alignment.

NEW
   In strict mode, an exact match between both Fully Qualified Domain Names
   (FQDNs) is required to produce Identifier Alignment.  In relaxed mode, an
   exact match of either both identifiers or of their respective Organizational
   Domains, if both exist, is considered to produce Identifier Alignment.



Best
Ale
--





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