def METHOD_NAME(self, extra_data, user=None):
    """
    user is unconfirmed, but matches email address if given
    """
    context = {
        "content_object": self.content_object,
        "user": user,
        "confirm_follow_message": self.configuration.get_confirm_follow_message(
            self.content_object
        ),
        "action_url": self.get_follow_link(user=user),
    }
    context.update(extra_data)
    context.update(self.get_context())
    self.configuration.get_follow_email().send(
        email=self.email,
        subject=_("Please confirm notifications for “{title}”").format(
            title=self.content_object
        ),
        context=context,
        priority=True,
    )