public function sendEmail($subject, $view, $vars = [])
    {
        $vars['email'] = $email = $this->email;
        $vars['username'] = $username = $this->username;

        Mail::queue(['text' => $view], $vars, function ($message) use ($email, $username, $subject) {
            $message->subject($subject)->to($email, $username);

            if (config()->has('mail.reply_to')) {
                $message->replyTo(
                    config('mail.reply_to.email'),
                    config('mail.reply_to.name')
                );
            }
        });
    }