Re: [dmarc-ietf] Third party signatures

John R Levine <johnl@taugh.com> Sat, 06 May 2023 14:42 UTC

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Date: Sat, 06 May 2023 10:42:34 -0400
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From: John R Levine <johnl@taugh.com>
To: Wei Chuang <weihaw@google.com>
Cc: dmarc@ietf.org
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Subject: Re: [dmarc-ietf] Third party signatures
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> It is not a commitment at this time.  That said, we are interested in
> solving this problem and welcome collaboratively figuring out the right way
> to do this.

It seems to me that ARC provides the useful parts of third party 
signatures and, while rather complicated, has the benefit of actually 
existing.  The chain of authority runs from the relay host back to the 
original rather than the other way around, but that's a lot easier to do 
mechanically.

Regards,
John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY
"I dropped the toothpaste", said Tom, crestfallenly.