It appears that Douglas Foster  <dougfoster.emailstanda...@gmail.com> said:
>-=-=-=-=-=-
>
>The Zoho situation is an interesting application of ARC.   The forwarders
>are not altering the messages, so if the DMARC-enforcing domain was
>configured with signatures, their messages would have passed DMARC at the
>final destination.  Without the signature, they should have been blocked
>already. ....

There are plenty of senders who only use SPF and publish a DMARC policy anyway.

We all know why that's a bad idea, but that's what they do.

R's,
John
-- 
Regards,
John Levine, jo...@taugh.com, Primary Perpetrator of "The Internet for Dummies",
Please consider the environment before reading this e-mail. https://jl.ly

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