I should mention the plugin doesn't replace the default notification of thunderbird. I didn't manage to do it. So you need to change your preference and uncheck 'Show an alert'
Also, ensure you have 'notify-send' command line by running the following command :
$ notify-send coucou
Hum,
I should mention the plugin doesn't replace the default notification of thunderbird. I didn't manage to do it. So you need to change your preference and uncheck 'Show an alert'
Also, ensure you have 'notify-send' command line by running the following command :
$ notify-send coucou
it's should display a notification.