@subscription_text.setter<EOL><INDENT>def subscription_text(self, value):<DEDENT>
self._subscription_text = value<EOL>
Text to be appended to the email, with the subscription tracking link.
           You may control where the link is by using the tag <% %>

        :param value: Text to be appended to the email, with the subscription
                      tracking link. You may control where the link is by using
                      the tag <% %>
        :type value: string