On Wed, Jul 12, 2017 at 2:56 PM, Juri Haberland via arc-discuss <
[email protected]> wrote:

>
> I've seen now a couple of emails from Hotmail/Outlook.com being deferred by
> OpenArc. Looks like Microsoft is experimenting with A-R headers, but they
> get it wrong.
>
[elided]

> But OpenArc defers mail with a valid empty A-R header, too:
> > Authentication-Results: batleth.sapienti-sat.org; none
>
> I'll open a ticket about it on GitHub.
>

It seems like there is another problem here if OpenARC is trying to take a
"foreign" A-R header and suck it into being "your" AAR header. The only
auth results that should ever be trusted is the one you create (per
RFC7601).

--Kurt
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