diff --git a/lib/domains/blacklist.txt b/lib/domains/blacklist.txt
index b76521591c..fed9ca2c65 100644
--- a/lib/domains/blacklist.txt
+++ b/lib/domains/blacklist.txt
@@ -106,4 +106,5 @@ edu.tanta.edu.eg
 std.uestc.edu.cn
 mail.ltcc.edu 
 student.ksu.edu.sa
-vip.henu.edu.cn
\ No newline at end of file
+vip.henu.edu.cn
+student.napavalley.edu
\ No newline at end of file