diff --git a/high_trust_sender_root_domains.txt b/high_trust_sender_root_domains.txt
index f460f4c..150ae3b 100644
--- a/high_trust_sender_root_domains.txt
+++ b/high_trust_sender_root_domains.txt
@@ -130,6 +130,7 @@ dell.com
 deloitte.co.uk
 deloitte.com
 delta.com
+deluxe.com
 depconfirm.com
 dhl.com
 dhs.gov