function check_email_available($group, $email, &$response) {
// Check if a mailing list with same name already exists
function check_email_available($group, $email, &$response) {
// Check if a mailing list with same name already exists
$mlFactory = new MailingListFactory($group);
if (!$mlFactory || !is_object($mlFactory) || $mlFactory->isError()) {
$response .= $mlFactory->getErrorMessage();
$mlFactory = new MailingListFactory($group);
if (!$mlFactory || !is_object($mlFactory) || $mlFactory->isError()) {
$response .= $mlFactory->getErrorMessage();
$ff = new ForumFactory($group);
if (!$ff || !is_object($ff) || $ff->isError()) {
$response .= $ff->getErrorMessage();
$ff = new ForumFactory($group);
if (!$ff || !is_object($ff) || $ff->isError()) {
$response .= $ff->getErrorMessage();