diff --git a/mailpoet/lib/API/JSON/v1/SendingQueue.php b/mailpoet/lib/API/JSON/v1/SendingQueue.php
index 23bdc8bd8b..c116b44315 100644
--- a/mailpoet/lib/API/JSON/v1/SendingQueue.php
+++ b/mailpoet/lib/API/JSON/v1/SendingQueue.php
@@ -10,6 +10,7 @@ use MailPoet\Cron\Triggers\WordPress;
 use MailPoet\Entities\NewsletterEntity;
 use MailPoet\Entities\ScheduledTaskEntity;
 use MailPoet\Entities\SendingQueueEntity;
+use MailPoet\Mailer\MailerFactory;
 use MailPoet\Models\Newsletter;
 use MailPoet\Models\SendingQueue as SendingQueueModel;
 use MailPoet\Newsletter\NewslettersRepository;
@@ -44,13 +45,17 @@ class SendingQueue extends APIEndpoint {
   /** @var ScheduledTasksRepository */
   private $scheduledTasksRepository;
 
+  /** @var MailerFactory */
+  private $mailerFactory;
+
   public function __construct(
     SubscribersFeature $subscribersFeature,
     NewslettersRepository $newsletterRepository,
     SendingQueuesRepository $sendingQueuesRepository,
     Bridge $bridge,
     SubscribersFinder $subscribersFinder,
-    ScheduledTasksRepository $scheduledTasksRepository
+    ScheduledTasksRepository $scheduledTasksRepository,
+    MailerFactory $mailerFactory
   ) {
     $this->subscribersFeature = $subscribersFeature;
     $this->subscribersFinder = $subscribersFinder;
@@ -58,6 +63,7 @@ class SendingQueue extends APIEndpoint {
     $this->bridge = $bridge;
     $this->sendingQueuesRepository = $sendingQueuesRepository;
     $this->scheduledTasksRepository = $scheduledTasksRepository;
+    $this->mailerFactory = $mailerFactory;
   }
 
   public function add($data = []) {
@@ -93,10 +99,9 @@ class SendingQueue extends APIEndpoint {
       ]);
     }
 
-    // check that the sending method has been configured properly
+    // check that the sending method has been configured properly by verifying that default mailer can be build
     try {
-      $mailer = new \MailPoet\Mailer\Mailer();
-      $mailer->init();
+      $this->mailerFactory->getDefaultMailer();
     } catch (\Exception $e) {
       return $this->errorResponse([
         $e->getCode() => $e->getMessage(),
diff --git a/mailpoet/tests/integration/API/JSON/v1/SendingQueueTest.php b/mailpoet/tests/integration/API/JSON/v1/SendingQueueTest.php
index 9678e916ba..3d448a70bf 100644
--- a/mailpoet/tests/integration/API/JSON/v1/SendingQueueTest.php
+++ b/mailpoet/tests/integration/API/JSON/v1/SendingQueueTest.php
@@ -11,6 +11,7 @@ use MailPoet\Entities\NewsletterOptionEntity;
 use MailPoet\Entities\NewsletterOptionFieldEntity;
 use MailPoet\Entities\ScheduledTaskEntity;
 use MailPoet\Entities\SendingQueueEntity;
+use MailPoet\Mailer\MailerFactory;
 use MailPoet\Newsletter\NewslettersRepository;
 use MailPoet\Newsletter\Options\NewsletterOptionFieldsRepository;
 use MailPoet\Newsletter\Options\NewsletterOptionsRepository;
@@ -80,7 +81,8 @@ class SendingQueueTest extends \MailPoetTest {
       $this->diContainer->get(SendingQueuesRepository::class),
       $this->diContainer->get(Bridge::class),
       $this->diContainer->get(SubscribersFinder::class),
-      $this->diContainer->get(ScheduledTasksRepository::class)
+      $this->diContainer->get(ScheduledTasksRepository::class),
+      $this->diContainer->get(MailerFactory::class)
     );
     $res = $sendingQueue->add(['newsletter_id' => $this->newsletter->getId()]);
     expect($res->status)->equals(APIResponse::STATUS_FORBIDDEN);
@@ -149,7 +151,8 @@ class SendingQueueTest extends \MailPoetTest {
         'isMailpoetSendingServiceEnabled' => true,
       ]),
       $this->diContainer->get(SubscribersFinder::class),
-      $this->diContainer->get(ScheduledTasksRepository::class)
+      $this->diContainer->get(ScheduledTasksRepository::class),
+      $this->diContainer->get(MailerFactory::class)
     );
     $response = $sendingQueue->add(['newsletter_id' => $newsletter->getId()]);
     $response = $response->getData();