On Fri 16/Jun/2023 22:41:39 +0200 Gellner, Oliver via mailop wrote:
On 16.06.2023 at 16:13 Jaroslaw Rafa via mailop wrote:
[...]
So at least one (and important one, given the size of this mail service)
implementation of DMARC does not use the PSL.
eu.org is located in the private domain section of Mozillas public suffix list.
Apparently Google does not treat those private domains as public suffixes (at
least not all of them) or uses a different public suffix list. The DMARC
specification does not mandate that you have to use Mozillas PSL and pick up
every self-appointed entry from there.
FWIW, future development provides for walking down the DNS tree. So a DMARC
verifier would lookup _domainkey.foo.bar.example.com and
_domainkey.bar.example.com before reaching _domainkey.example.com.
Eu.org would have to publish a "psd=y" tag to say it is a public suffix domain.
Psd domains can specify policies.
Their current record specifies a pct=, which won't be supported by the upcoming
standard.
"v=DMARC1;p=none;sp=none;pct=10;rua=mailto:[email protected];ruf=mailto:[email protected]";
Best
Ale
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