def send_login_instructions(user):
    """Sends the login instructions email for the specified user.

    :param user: The user to send the instructions to
    :param token: The login token
    """
    token = generate_login_token(user)
    login_link = url_for_security('token_login', token=token, _external=True)

    _security.send_mail(config_value('EMAIL_SUBJECT_PASSWORDLESS'), user.email,
                        'login_instructions', user=user, login_link=login_link)

    login_instructions_sent.send(app._get_current_object(), user=user,
                                 login_token=token)
Sends the login instructions email for the specified user.

    :param user: The user to send the instructions to
    :param token: The login token