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. ~ Matt
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