code: protected function configure(array $config)
      {
          $this->config = $config;
  
          $this->registerSwiftTransport();
          $this->registerSwiftMailer();
          $this->registerQueue();
      }
docs: Configure MailerManager class
  
  @param array $config
  
  @see \Phalcon\Mailer\Manager::registerSwiftTransport()
  @see \Phalcon\Mailer\Manager::registerSwiftMailer()