On Fri 21/Jan/2022 18:59:16 +0100 John R Levine wrote:
Yes, that is the plan. Please go back and look at the discussion when we
talked about the tree walk in the first place.
I don't remember that we ever convene that subdomains cannot override the org
domain record.
The "org domain record"
On Sat, Jan 22, 2022 at 6:52 AM Alessandro Vesely wrote:
>
> No, the concept of Organizational Domain is foundational to DMARC. We
> cannot
> overthrow it to spare an extra lookup. When we talked about tree walk we
> knew
> that additional lookups might well have come out.
>
> To specify that
Ale said:
No, the concept of Organizational Domain is foundational to DMARC. ...
We went though this whole discussion quite a while ago when we agreed to
switch to the tree walk. Unless you have a compelling argument about why
our previous analysis and decision was wrong, I think we're done.
If a.b.example.com is considered aligned with c.example.com under RFC7489,
but will be considered unaligned under DMARCbis, then we have a pretty
significant incompatibility and need to move to DMARCv2.
In the current example of comparing a.b.example.com and c.example.com to
each other: if there
On Sat, Jan 22, 2022 at 11:02 AM Douglas Foster <
dougfoster.emailstanda...@gmail.com> wrote:
> If a.b.example.com is considered aligned with c.example.com under
> RFC7489, but will be considered unaligned under DMARCbis, then we have a
> pretty significant incompatibility and need to move to DMAR
To correct my last post, we are not reduced to using a list, as we have
already anticipated this situation with the PSD flag.
The solution to the sub-lease situation is for the parent domain to publish
psd=y.
We may need two PSD flag, one for
"I am a real PSD and never send mail and should not be