diff --git a/ennstatus/status/functions.py b/ennstatus/status/functions.py
--- a/ennstatus/status/functions.py
+++ b/ennstatus/status/functions.py
@@ -16,7 +16,8 @@ def _send_mail(server_name, status, last
 
     current_app.logger.debug('Try sending mail')
     try:
-        msg = Message('[Ennstatus] %s went %s' % (server_name, status))
+        msg = Message('[Ennstatus] %s went %s' % (server_name, status),
+                      sender='ennstatus@enn.lu')
         msg.add_recipient(current_app.config['SERVER_ADMINS'][server_name])
         msg.body = ('%s went to %s. I received the last update at %s'
                     % (server_name, status, last_updated))