function sendNewsletter($showHTML, $mailingId, $listId, $receivers, &$message, $tags = null)
{
$list = lists::getOneList($listId);
$mailing = xmailing::getOneMailing($list, $mailingId, '', $new, true);
xmailing::_header('', '', $list->list_type, '', '');
$check = acajoom_mail::send($showHTML, $mailing, $receivers, $list, $message, $tags);
if ($check) {
xmailing::updateNewsletterSent($mailingId);
}
return $check;
}