Apologies.    Either I read an obsolete version of the document, an unrelated 
document, or have a hallucinating memory.   Hoping it is not my mind going 
south...

Doug

----------------------------------------

From: "John Levine" <[email protected]>
Sent: 11/22/20 3:01 PM
To: [email protected]
Cc: [email protected]
Subject: Re: [dmarc-ietf] ARC questions

In article <[email protected]> you write:
>-=-=-=-=-=-
>
>
>On 11/22/20 11:18 AM, Douglas E. Foster wrote:
>> ARC has a very limited set of items included in the signature.? ?Body
>> hash is purposefully excluded.? So it is the same signature algorithm
>> but with different parameters and a different purpose.? Therefore it
>> has a different header label .
>
>Now wait, Kurt just said that the body hash is included. Somebody has to
>be wrong here.

Doug is mistaken. The ARC-Message-Signature (AMS) header has the same
body hash as a DKIM signature.

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