diff --git a/dav_events/config.py b/dav_events/config.py
index 62b3fc6..c8780b6 100644
--- a/dav_events/config.py
+++ b/dav_events/config.py
@@ -2,6 +2,7 @@
 from django.utils.translation import ugettext_lazy as _
 
 # E-Mails
+ENABLE_EMAIL_NOTIFICATIONS = True
 EMAIL_SENDER = 'Jens Kleineheismann <kleineheismann@kit.edu>'
 BASE_URL = 'http://localhost:8000'
 
diff --git a/dav_events/emails.py b/dav_events/emails.py
index e73e0fd..d671b37 100644
--- a/dav_events/emails.py
+++ b/dav_events/emails.py
@@ -49,6 +49,8 @@ class AbstractMail(object):
         raise NotImplementedError()
 
     def send(self):
+        if not config.ENABLE_EMAIL_NOTIFICATIONS:
+            return None
         subject = self._get_subject()
         body = self._get_body()
         sender = self._sender