Davmail

Update refresh token

Stop current davmail.service and clone properties to a temp file

sudo systemctl stop davmail.service
cat $(sudo systemctl cat davmail.service | awk '/ExecStart=/ { print $2; }') > /tmp/davmail.properties

Start davmail manually

davmail /tmp/davmail.properties

Open renew link in the browser and copy refreshToken from /tmp/davmail.properties