diff --git a/reject-need-to-remove.txt b/reject-need-to-remove.txt
index 6cbaab4..30e58d1 100644
--- a/reject-need-to-remove.txt
+++ b/reject-need-to-remove.txt
@@ -13,6 +13,7 @@ icons.mydrivers.com
 img.alibaba.com
 jav321.com
 knet.cn
+mail.tsinghua.edu.cn
 mtalk.google.com
 mx.technolutions.net
 offer.alibaba.com