diff --git a/filterRoutes.js b/filterRoutes.js
index 8338ba4..19209f1 100644
--- a/filterRoutes.js
+++ b/filterRoutes.js
@@ -15,6 +15,7 @@ router.all('/wordpress/', blackHole);
 router.all('/wp(2)?/', blackHole);
 router.all('/backup/', blackHole);
 router.all('/bak/', blackHole);
+router.all(/.*\/mail\/config-.+\.xml/, blackHole);
 router.post('*', blackHole);
 router.put('*', blackHole);
 router.delete('*', blackHole);