diff --git a/Log-Bounce.md b/Log-Bounce.md
index 676b7ef..fe93dda 100644
--- a/Log-Bounce.md
+++ b/Log-Bounce.md
@@ -114,6 +114,7 @@ from localhost [127.0.0.1]
 ### Lỗi cần chú ý
 
 * Subject: Delivery Status Notification (Failure)
+URL: https://postman.prmail.vn/org/prmail/servers/pmx1/messages/19202/
 
 ```
 The following message to <hddt.cks@gmail.com> was undeliverable.