Send a message.

    :param message: Message to send.
    :type message: `dict` or :class:`Message`
    :param api_key: Your Postmark API key. Required, if `test` is not `True`.
    :param secure: Use the https scheme for the Postmark API.
        Defaults to `True`
    :param test: Use the Postmark Test API. Defaults to `False`.
    :param \*\*request_args: Keyword arguments to pass to
        :func:`requests.request`.
    :rtype: :class:`SendResponse`

def send_with_template(message,
                       api_key=None,
                       secure=None,
                       test=None,
                       **request_args):
    '''Send a message.

    :param message: Message to send.
    :type message: `dict` or :class:`Message`
    :param api_key: Your Postmark API key. Required, if `test` is not `True`.
    :param secure: Use the https scheme for the Postmark API.
        Defaults to `True`
    :param test: Use the Postmark Test API. Defaults to `False`.
    :param \*\*request_args: Keyword arguments to pass to
        :func:`requests.request`.
    :rtype: :class:`SendResponse`
    '''
    return _default_pyst_template_sender.send(message=message,
                                              api_key=api_key,
                                              secure=secure,
                                              test=test,
                                              **request_args)