Controller/Frontend/RegistrationController.php
public function checkEmailAction()
    {
        $email = $this->get('session')->get('fos_user_send_confirmation_email/email');
        $this->get('session')->remove('fos_user_send_confirmation_email/email');
        $user = $this->get('fos_user.user_manager')->findUserByEmail($email);
        if (null === $user) {
            throw new NotFoundHttpException(sprintf('The user with email "%s" does not exist', $email));
        }
        return $this->render('@MikyUser/Frontend/Registration/checkEmail.html.twig', array(
            'user' => $user,
        ));
    }
public function checkEmailAction()
    {
        $email = $this->get('session')->get('fos_user_send_confirmation_email/email');
        $this->get('session')->remove('fos_user_send_confirmation_email/email');
        $user = $this->get('fos_user.user_manager')->findUserByEmail($email);
        if (null === $user) {
            throw new NotFoundHttpException(sprintf('The user with email "%s" does not exist', $email));
        }
        return $this->render('@MikyUser/Frontend/Registration/checkEmail.html.twig', array(
            'user' => $user,
        ));
    }
Tell the user to check his email provider.

@return Response

@throws NotFoundHttpException