diff --git a/LXMF/LXMRouter.py b/LXMF/LXMRouter.py
index 19df21d..73c15b6 100644
--- a/LXMF/LXMRouter.py
+++ b/LXMF/LXMRouter.py
@@ -17,8 +17,8 @@ from .Handlers import LXMFPropagationAnnounceHandler
 
 class LXMRouter:
     MAX_DELIVERY_ATTEMPTS = 4
-    PROCESSING_INTERVAL   = 5
-    DELIVERY_RETRY_WAIT   = 12
+    PROCESSING_INTERVAL   = 4
+    DELIVERY_RETRY_WAIT   = 9
     PATH_REQUEST_WAIT     = 5
     LINK_MAX_INACTIVITY   = 10*60