Notification preferences are now possible to define for your Smoobu . You may decide whether you want a push notification and/or an email address.
Follow the path by clicking on Settings - Account - Notification preferences
You'll find the following options:
For Mobile, kindly note that in order for push notifications to work as expected you should only download the Smoobu App in one device.
New message notifications
Smoobu will not send you email or push notifications (mobile) for Airbnb or Booking.com, as both portals already send you notifications when you receive a new message.