diff --git a/lib/domains/stoplist.txt b/lib/domains/stoplist.txt
index 3de338eab2..582fe335b9 100644
--- a/lib/domains/stoplist.txt
+++ b/lib/domains/stoplist.txt
@@ -1896,4 +1896,5 @@ tut4life.ac.za
 my.milpark.ac.za
 eaglesvale.ac.zw
 email.ncu.edu.cn
-gnnu.edu.cn
\ No newline at end of file
+gnnu.edu.cn
+smail.xtu.edu.cn
\ No newline at end of file