Re: [openpgp] Put Signature in an Email's Header

[Daniel Kahn Gillmor <[e-mail]>]

On Fri 2020-12-11 12:19:23 +0000, Bart Butler wrote:

> Does signature.asc even show up as an attachment if you set the
> disposition to inline for PGP/MIME? That would be the obvious solution
> for suppressing unwanted signature.asc attachments for non-aware
> recipients.

Setting a MIME part as Content-Disposition: inline (RFC 2183) is
intended to encourage the recieving MUA to display the part inline to
the reader.

if the receiving MUA has no way of rendering the signature part
(Content-Type: application/pgp-signature), then there's no way that it
can actually render it "inline", so most MUAs will simply ignore the
Content-Disposition: inline header, rather than hiding the message part
entirely.

        --dkg