[openpgp] Put Signature in an Email's Header

"Neal H. Walfield" <neal@walfield.org> Fri, 11 December 2020 10:14 UTC

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Date: Fri, 11 Dec 2020 11:14:33 +0100
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From: "Neal H. Walfield" <neal@walfield.org>
To: Wiktor Kwapisiewicz <wiktor=40metacode.biz@dmarc.ietf.org>
Cc: openpgp@ietf.org
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Subject: [openpgp] Put Signature in an Email's Header
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On Fri, 11 Dec 2020 10:03:44 +0100,
Wiktor Kwapisiewicz wrote:
> On 11.12.2020 09:58, Hanno Böck wrote:
> > FWIW I have heard lots of complains about the signature attachment,
> > which is why I stopped sending signed emails by default a long time ago.
> 
> Too bad signatures cannot be put into headers (just like DKIM
> signatures). That would not confuse people (because they generally
> don't inspect headers) while providing necessary info for clients that
> understand them.

When you say cannot, I think you mean there is no standard to so.
Technically, I think, it is possible, and it is a neat idea.