- Updates mailer endpoint to handle sending restart

lib/API/Endpoints/Mailer.php

@@ -2,6 +2,7 @@
 namespace MailPoet\API\Endpoints;
 use MailPoet\API\Endpoint as APIEndpoint;
 use MailPoet\API\Error as APIError;
+use MailPoet\Mailer\MailerLog;
 
 if(!defined('ABSPATH')) exit;
 
@@ -30,4 +31,9 @@ class Mailer extends APIEndpoint {
       return $this->successResponse(null);
     }
   }
+
+  function resumeSending() {
+    MailerLog::resumeSending();
+    return $this->successResponse(null);
+  }
 }