$prefGroups['monthlytasks'] = array(
    'column' => _("Mail Management"),
    'label' => _("Maintenance Operations"),
    'desc' => _("Customize maintenance operations run upon login to IMP."),
    'members' => array('rename_sentmail_monthly', 'delete_sentmail_monthly',
                       'delete_sentmail_monthly_keep', 'purge_trash',
                       'purge_trash_interval', 'purge_trash_keep')
);
