diff --git a/etc/server.conf b/etc/server.conf
index 6273611b..3c6dcff2 100644
--- a/etc/server.conf
+++ b/etc/server.conf
@@ -65,7 +65,7 @@ Batch = 5
 
 [Alerting]
 TemplatesDir = "./etc/template"
-NotifyConcurrency = 100
+NotifyConcurrency = 10
 
 [Alerting.CallScript]
 # built in sending capability in go code