diff --git a/lib/domains/stoplist.txt b/lib/domains/stoplist.txt
index 82629d69b7..da106090b0 100644
--- a/lib/domains/stoplist.txt
+++ b/lib/domains/stoplist.txt
@@ -699,4 +699,5 @@ mu.ac.kr
 stumail.zcs.k12.in.us
 dusit.ac.th
 nyfbox.hu
-suezuni.edu.eg
\ No newline at end of file
+suezuni.edu.eg
+o365.rmutp.ac.th
\ No newline at end of file