Re: [Shutup] chained authorizationm, was Proposed Charter for the "SMTP Headers ...

Dave Crocker <dhc@dcrocker.net> Mon, 30 November 2015 16:46 UTC

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From: Dave Crocker <dhc@dcrocker.net>
Organization: Brandenburg InternetWorking
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Date: Mon, 30 Nov 2015 08:46:42 -0800
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Subject: Re: [Shutup] chained authorizationm, was Proposed Charter for the "SMTP Headers ...
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On 11/30/2015 8:21 AM, John Levine wrote:
>> If you're relaying the email on to somewhere else then you're assuming
>> that there's a mechanism by which your policy regarding SPF becomes
>> known to those other people.
>>
>> I'm unaware of such a mechanism existing at the moment --
> 
> That's more or less what Authentication-Results and the deprecated
> Received-SPF headers do, recording a snapshot of what the SPF results
...

Probably relevant, current work:

     Authenticated Received Chain (ARC)
     https://tools.ietf.org/html/draft-andersen-arc-00

d/
-- 
Dave Crocker
Brandenburg InternetWorking
bbiw.net