diff --git a/lib/domains/stoplist.txt b/lib/domains/stoplist.txt
index 29ad9de5b7..9621faebbd 100644
--- a/lib/domains/stoplist.txt
+++ b/lib/domains/stoplist.txt
@@ -346,4 +346,5 @@ live
 ninja
 studio
 zut.edu.cn
-sz.pku.edu.cn
\ No newline at end of file
+sz.pku.edu.cn
+mail.nwpu.edu.cn
\ No newline at end of file