diff --git a/main.go b/main.go
index 71aac35..27fd82e 100644
--- a/main.go
+++ b/main.go
@@ -30,11 +30,16 @@ type SlackConfig struct {
 
 // PostHandler send notifications from synology to slack
 func PostHandler(w http.ResponseWriter, r *http.Request) {
+        for name, values := range r.Header {
+        // Loop over all values for the name.
+        for _, value := range values {
+                fmt.Println(name, value)
+                }
+        }
         api := r.Header.Get("api_key")
 	if r.Header.Get("api_key") != appConfig.APIKey {
 		http.Error(w, "invalid api key", http.StatusUnauthorized)
 		log.Printf("invalid api key: %s", api)
-                log.Printf(r)
 		return
 	}