Teemu Likonen [2016-09-03 17:52:39+03] wrote:

> It looks to me that your Emacs is now using old GPG 1.4 and not GPG
> 2.x version. Emacs has some magic code to choose which one to use but
> the logic is unknown to me. There is also variable epg-gpg-program.

One example of that unknown magic: I have "gpg2" (2.x) in
epg-gpg-program variable but Emacs (Gnus) still uses "gpg" (1.4) to sign
my messages. The signature part reads like this:

    -----BEGIN PGP SIGNATURE-----
    Version: GnuPG v1

    [...]
    -----END PGP SIGNATURE-----