On 14/03/2024 19:06, Matt V wrote:
On Thu, Mar 14, 2024 at 10:55 AM Alessandro Vesely <ves...@tana.it> wrote:
On Thu 14/Mar/2024 15:47:14 +0100 Todd Herr wrote:
On Tue, Mar 12, 2024 at 5:19 AM Alessandro Vesely <ves...@tana.it> wrote:
On 12/03/2024 03:18, Neil Anuskiewicz wrote:
Please remove the pct tag from the spec.

It has been removed already, which is incompatible with current records.

I don't believe your assertion of incompatibility to be true, Ale.

DMARCbis, like RFC 7489 before it, contains this sentence in the description of DMARC records:

Unknown tags MUST be ignored.

Any site implementing the DMARCbis spec will see "pct" as an unknown and ignore it.

People having pct=n, n ≪ 100, will be in for a harsh surprise.

From what I understand several big mailbox providers already ignore it if it's not pct=0 or pct=100.


Maybe.  But new implementations will ignore pct=0 as well.


Best
Ale
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