diff --git a/lib/domains/stoplist.txt b/lib/domains/stoplist.txt
index 2a170d5df4..4765b78d1a 100644
--- a/lib/domains/stoplist.txt
+++ b/lib/domains/stoplist.txt
@@ -264,4 +264,5 @@ vip.haust.edu.cn
 njnu.edu.cn
 mymail.tcc.fl.edu
 go.minnstate.edu
-siswa.email
\ No newline at end of file
+siswa.email
+codesra.cn
\ No newline at end of file