Giovanni Biscuolo writes:

> Hello Pierre,
>
> thanks to your recent commit (852ae64e11 gnu: Remove emacs-seq package.)
> I was able to upgrade to emacs 27.1: kudos \O/ !
>
> I'm using notmuch as MUA and experienced this signing problem too:
>
> --8<---------------cut here---------------start------------->8---
>
> mml-secure-epg-sign: Couldn’t find any signer names; try setting `mml-secure-smime-sign-with-sender'.
>
> --8<---------------cut here---------------end--------------->8---
>
> when trying to sign **with openpgp**, non with S/MIME (aka I use the #secure
> method=pgpmime mode=sign" tag)
>
> Pierre Langlois <pierre.langlois@gmx.com> writes:
>
> [...]
>
>> Right, it works with these variables set:
>>
>>     (setq mml-secure-openpgp-signers '("KEYID"))
>
> No need to explicitly set this if:
>
>>     (setq mml-secure-opengpg-sign-with-sender t)
>                            ^ s/gpg/pgp

oooh yes that works, thanks! GPG vs PGP was always confusing to me, if
I'm thinking about one then I'm generally typing the other... :-).

Thanks,
Pierre