code: public function sendVerification()
      {
          $this->setVerificationCode ($this->createVerificationCode());
  
          $user =& $this;
  
          return Mail::queue(Config::get('verifier.template'), ['user' => $this ], function($message) use($user) {
              $message->to($user->email, $user->getVerificationEmailName())->subject($user->getVerificationEmailSubject());
          });
  
      }
docs: Queues an email for delivery
  
  @return mixed