**/
switch ($this->_current_action) {
    case 'delete-email-queue':
        $email_delete = $_GET['qemail'];
        foreach ($email_delete as $qID) {
            $q = SPNL()->validate->int($qID);
            if ($q > 0) {
                SendPress_Data::remove_email_from_queue($q);
            }
        }
        wp_redirect(esc_url_raw(admin_url('admin.php?page=' . SPNL()->validate->page($_GET['page']))));
        break;
    case 'queue-delete':
        $email_delete = SPNL()->validate->int($_GET['emailID']);
        if ($email_delete > 0) {
            SendPress_Data::remove_email_from_queue($email_delete);
        }
        wp_redirect(esc_url_raw(admin_url('admin.php?page=' . SPNL()->validate->page($_GET['page']))));
        break;
    case 'requeue':
        $email = SPNL()->validate->int($_GET['emailID']);
        if ($email > 0) {
            SendPress_Data::requeue_email($email);
        }
        wp_redirect(esc_url_raw(admin_url('admin.php?page=' . SPNL()->validate->page($_GET['page']))));
        break;
    case 'delete-list':
        SendPress_Data::delete_list(SPNL()->validate->int($_GET['listID']));
        wp_redirect(esc_url_raw(admin_url('admin.php?page=' . SPNL()->validate->page($_GET['page']))));
        break;
    case 'delete-lists-bulk':