diff --git a/data/adguard b/data/adguard
index 7fa5b501768..6aab86c6ed5 100644
--- a/data/adguard
+++ b/data/adguard
@@ -11,6 +11,9 @@ agrd.io
 adguard-dns.com
 adguard-dns.io
 
+# adguard mail
+adguard-mail.com
+
 # adguard vpn
 adguardvpn.com
 adguard-vpn.com