Argh:

On Sat, Dec 4, 2021 at 1:30 PM Murray S. Kucherawy <superu...@gmail.com>
wrote:

>
> I'd be happy with either of these two definitions:
>
> (a) All messages are subjected to DMARC checking, and "pct" identifies the
> percentage of messages failing the check that should be subjected to the
> policy;
>
> (b) "pct" identifies the percentage of messages subjected to the DMARC
> check, irrespective of the outcome.
>
> So the dice-roll happens either before you start DMARC, or after you find
> a "fail".  They're not the same thing, and (again if "pct" stays) we need
> to be clear about which one people are expected to implement.
>
> The original intent, as I recall, was (a).  We preferred that because if
> you choose early on to exclude the message you're handling, you avoid all
> that processing cost.
>

The clown who said this hit "Send" without proofreading.  The original
intent was (b), for the reason given.

-MSK
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