diff --git a/whitelist.conf b/whitelist.conf
index 7e301cd..997a740 100644
--- a/whitelist.conf
+++ b/whitelist.conf
@@ -18,6 +18,7 @@ antichef.com
 antichef.net
 bestmail.us
 bluewin.ch
+c2.hu
 cluemail.com
 cocaine.ninja
 cock.email