diff --git a/src/mailer.js b/src/mailer.js
index 8a20842b4..88bdcad7b 100644
--- a/src/mailer.js
+++ b/src/mailer.js
@@ -90,7 +90,7 @@ function checkDns() {
             return;
         }
 
-        debug('checkDns: commencing mail processing');
+        debug('checkDns: SPF check passed. commencing mail processing');
         processQueue();
     });
 }