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In message <CAH48Zfyowa3nnXf2bn59R01LqXq-=kMFNPS6=46Py2c-
[email protected]>, Douglas Foster <dougfoster.emailstandards@gmail.
com> writes

>    So initially, I am asking for a compsrison between my results and 
>    the data used to justify the asserted consensus.

if you published the data (just the right hand side of relevant
addresses is needed) we could check your working ...

>    Was 2% previuosly observed and judged acceptable?  Were the 
>    previous error rates judged acceptable because they were computed 
>    using a different denominator definition?

clearly if you get 10 messages from odd-domain and 10 messages from
Google then you will see a different percentage than someone who gets 3
(or some days 0) messages from odd-domain and 1000000 from Google ...
but provided odd-domain isn't just sending to you then any large mailbox
provider should have seen enough mail to provide a sensible measure of
the impact by counting domains not %age of overall mail.

>    With our present design, the necessary response to these errors is 
>    for the domain owner to remove intermediate DMARC policies.

that's strange ... isn't the intent of the new scheme to encourage
subdomain owners to add them !

I do wonder if this is the PSL raising its ugly head again. A remarkable
number of the people who have added entries have not understood how they
now need to publish rather more DNS records than previously ...

- -- 
richard                                                   Richard Clayton

Those who would give up essential Liberty, to purchase a little temporary 
Safety, deserve neither Liberty nor Safety. Benjamin Franklin 11 Nov 1755

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