Thanks azur,
On 11/01/2020 08:25, azurit at pobox.sk wrote:
> just put this in /etc/apparmor.d/local/usr.bin.thunderbird :
> owner @{HOME}/.signature.d/** r,
My issue is I don't want to change the system configuration. I would
like to grant the extra permission *only* for the user that needs it.