Thank you Vinny,
But if I take out the subscriber role from receiving new topic, will they receive the daily digest for the forums that they have subscribed to ? I tried to take out the role, but in the user profile, then I cannot even see the digest frequency choice.
Maybe I am misunderstanding something ? The behaviour that would well is : clicking yes to the option do not receive global notifications and choosing the daily digest – but I want user to be able to change their digest frequency.