diff --git a/ennstatus/status/functions.py b/ennstatus/status/functions.py
--- a/ennstatus/status/functions.py
+++ b/ennstatus/status/functions.py
@@ -60,7 +60,8 @@ def _check_server(data):
         current_app.logger.error('%s is set to %s' % (server_name,
                                  status))
 
-        _send_mail(server_name, status, last_updated)
+        if data['server_status'] != 'Unknown' and status != 'Offline':
+            _send_mail(server_name, status, last_updated)
 
         for key in ('server_status', 'tor_status'):
             data[key] = status