diff --git a/lib/domains/stoplist.txt b/lib/domains/stoplist.txt
index c89d1c3a59..249b6d61fe 100644
--- a/lib/domains/stoplist.txt
+++ b/lib/domains/stoplist.txt
@@ -353,4 +353,5 @@ m.fafu.edu.cn
 leonvero.com
 mailpoof.com
 emlmuak.cn
-mail.mss.sc.ug
\ No newline at end of file
+mail.mss.sc.ug
+sus.edu
\ No newline at end of file