diff --git a/Esp-rbl.cf b/Esp-rbl.cf
index d0162e0..c4e97c9 100644
--- a/Esp-rbl.cf
+++ b/Esp-rbl.cf
@@ -444,6 +444,7 @@ score       RBL_ESP_ECMESSENGER   4.0
 score       RBL_ESP_EMARSYS       4.0
 score       RBL_ESP_EXACTTARGET   4.0
 score       RBL_ESP_FXYN          4.0
+score       RBL_ESP_KEYSENDER     4.0
 score       RBL_ESP_KLAVIYO       4.0
 score       RBL_ESP_MAILCHIMP     4.0
 score       RBL_ESP_MAILCHIMP_M   4.0