docs: def send_confirmation_email(self):
          """
          Sends an email to confirm the new email address.
  
          This method sends out two emails. One to the new email address that
          contains the ``email_confirmation_key`` which is used to verify this
          this email address with :func:`User.objects.confirm_email`.
  
          The other email is to the old email address to let the user know that
          a request is made to change this email address.
  
          """
          context= {'user': self,
                    'new_email': self.email_unconfirmed,
                    'protocol': get_protocol(),
                    'confirmation_key': self.email_confirmation_key,
                    'site': Site.objects.get_current()}
  
  
          # Email to the old address
          subject_old = ''.join(render_to_string(
                          'accounts/emails/confirmation_email_subject_old.txt',
                          context).splitlines())
          
          message_old = render_to_string(
                          'accounts/emails/confirmation_email_message_old.txt',
                          context)
  
          send_mail(subject_old,
                    message_old,
                    settings.DEFAULT_FROM_EMAIL,
                    [self.email])
  
          # Email to the new address
          subject_new = ''.join(render_to_string(
                          'accounts/emails/confirmation_email_subject_new.txt',
                          context).splitlines())
  
          message_new = render_to_string(
                          'accounts/emails/confirmation_email_message_new.txt',
                          context)
  
          send_mail(subject_new,
                    message_new,
                    settings.DEFAULT_FROM_EMAIL,
                    [self.email_unconfirmed,])