Qubes/Thunderbird 78
From Legoktm
This is based on a post in r/Qubes, but the OP deleted it.
- Upgrade your TemplateVM so it installs Thunderbird 78
- Open Thunderbird, go to Preferences, scroll all the way down and click on "Config Editor". Accept the warning.
- Set
mail.openpgp.allow_external_gnupg
totrue
andmail.openpgp.alternative_gpg_path
to/usr/bin/qubes-gpg-client-wrapper
. - Restart Thunderbird