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 <[email protected]> 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 I set (setq mml-secure-openpgp-sign-with-sender t) [...] > I'm not sure what's broken, this used to "just work" by default without > having to tell emacs where to find the signer key This used to just work by default for me too, probably it's due a change in default behaviour of message mode [1]: --8<---------------cut here---------------start------------->8--- *** 'mml-secure-openpgp-sign-with-sender' sets also "gpg --sender". When 'mml-secure-openpgp-sign-with-sender' is non-nil, message sender's email address (in addition to its old behavior) will also be used to set gpg's "--sender email@domain" option. The option is useful for two reasons when verifying the signature: 1. GnuPG's TOFU statistics are updated for the specific user id (email) only. See gpg(1) man page about "--sender". 2. GnuPG's "--auto-key-retrieve" functionality can use WKD (web key directory) method for finding the signer's key. You need GnuPG 2.2.17 to fully benefit from this feature. See gpg(1) man page for "--auto-key-retrieve". --8<---------------cut here---------------end--------------->8--- I still do not understand why the "old behaviour" doesn't work with 27.1 (with 26.3 worked) but you have found the solution :-) Thanks! Gio' [1] https://www.gnu.org/savannah-checkouts/gnu/emacs/news/NEWS.27.1 -- Giovanni Biscuolo Xelera IT Infrastructures
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