diff --git a/.docker/pycaosdb.ini b/.docker/pycaosdb.ini
index 1e5ba293fa3a7bf294c78a88543d3d6433aabefd..8a867a3eb75c06c8492e129460cb135e7e5d9bdd 100644
--- a/.docker/pycaosdb.ini
+++ b/.docker/pycaosdb.ini
@@ -14,3 +14,6 @@ ssl_insecure=True
 timeout=500
 [Container]
 debug=0
+
+[Misc]
+sendmail=/usr/local/bin/sendmail_to_file