diff --git a/lib/domains/stoplist.txt b/lib/domains/stoplist.txt
index cae7dd093a..2a170d5df4 100644
--- a/lib/domains/stoplist.txt
+++ b/lib/domains/stoplist.txt
@@ -263,4 +263,5 @@ stu.sisu.edu.cn
 vip.haust.edu.cn
 njnu.edu.cn
 mymail.tcc.fl.edu
-go.minnstate.edu
\ No newline at end of file
+go.minnstate.edu
+siswa.email
\ No newline at end of file