UPD: split enable_email settings.

dav_events/django_project_config/settings-dav_events.py

@@ -3,7 +3,8 @@ from django.utils.translation import ugettext_lazy as _
 from dav_events.config import FieldInitial
 
 # E-Mails
-ENABLE_EMAIL_NOTIFICATIONS = False
+ENABLE_EMAIL_ON_STATUS_UPDATE = False
+ENABLE_EMAIL_ON_UPDATE = False
 
 # Authorization Roles / Groups
 GROUP_MANAGE_ALL = 'Tourenreferenten'