docs: def send_approved_mail(request, user):
      """
      Sends an email to a user once their ``is_active`` status goes from
      ``False`` to ``True`` when the ``ACCOUNTS_APPROVAL_REQUIRED``
      setting is ``True``.
      """
      context = {"request": request, "user": user}
      subject = subject_template("email/account_approved_subject.txt", context)
      send_mail_template(subject, "email/account_approved",
                         settings.DEFAULT_FROM_EMAIL, user.email,
                         context=context)