On Sat 04/Dec/2021 22:30:30 +0100 Murray S. Kucherawy wrote:
On Fri, Dec 3, 2021 at 10:38 AM Todd Herr <todd.herr= wrote:
The sentence should read something like this:
Percentage of messages using the Domain Owner's domain and failing DMARC
authentication checks to which the DMARC policy is to be applied.
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.
I implemented (a), and don't understand how (b) can make sense given:
However,
this MUST NOT be applied to the DMARC-generated reports, all of
which must be sent and received unhindered.
In order to compile DMARC result into the report one must first evaluate it.
Besides, after checking SPF and DKIM, the cost of evaluating DMARC boils down
to compare two strings for alignment.
Best
Ale
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