diff --git a/config/etc/default/restconf.yaml b/config/etc/default/restconf.yaml
index 96fb7f41..47841df5 100644
--- a/config/etc/default/restconf.yaml
+++ b/config/etc/default/restconf.yaml
@@ -115,7 +115,7 @@ alarm:
   email:
     smtp: smtp.xxx.com
     port: 25
-    user: smtpuser
+    user: smtpuser@xxx.com
     password: xxxxxx
     # TLS skip verify: true/false
     tlsSkipVerify: true