def METHOD_NAME(self, notification_id=None, include_traceback=False, verbosity=1):
    """
    Send email notifications.
    Reads settings from settings.EMAIL_NOTIFICATIONS dict, if available,
    using ``notification_id`` as a key or else provides reasonable
    defaults.
    """
    # Load email notification settings if available
    if notification_id is not None:
        try:
            email_settings = settings.EMAIL_NOTIFICATIONS.get(notification_id, {})
        except AttributeError:
            email_settings = {}
    else:
        email_settings = {}
    # Exit if no traceback found and not in 'notify always' mode
    if not include_traceback and not email_settings.get('notification_level', 0):
        print(self.style.ERROR("Exiting, not in 'notify always' mode."))
        return
    # Set email fields.
    subject = email_settings.get('subject', "Django extensions email notification.")
    command_name = self.__module__.split('.')[-1]
    body = email_settings.get(
        'body',
        "Reporting execution of command: '%s'" % command_name
    )
    # Include traceback
    if include_traceback and not email_settings.get('no_traceback', False):
        try:
            exc_type, exc_value, exc_traceback = sys.exc_info()
            trb = ''.join(traceback.format_tb(exc_traceback))
            body += "\n\nTraceback:\n\n%s\n" % trb
        finally:
            del exc_traceback
    # Set from address
    from_email = email_settings.get('from_email', settings.DEFAULT_FROM_EMAIL)
    # Calculate recipients
    recipients = list(email_settings.get('recipients', []))
    if not email_settings.get('no_admins', False):
        recipients.extend(settings.ADMINS)
    if not recipients:
        if verbosity > 0:
            print(self.style.ERROR("No email recipients available."))
        return
    # Send email...
    send_mail(subject, body, from_email, recipients,
              fail_silently=email_settings.get('fail_silently', True))