diff --git a/mta-sts.txt b/mta-sts.txt
index 92b59d91a77d9816d16bd2fdf5303ad9d14febe2..11c6dceda4f6d683dd7e9e77842ea7714d19c874 100644
--- a/mta-sts.txt
+++ b/mta-sts.txt
@@ -1,5 +1,5 @@
 version: STSv1
-mode: testing
+mode: enforce
 mx: kuschku.de
 mx: *.kuschku.de
 mx: justjanne.de