Ho provato

//SMTP aruba
$mail->SMTPAuth = true;
$mail->Host = "smtps.aruba.it";
$mail->Port = 465;
$mail->SMTPSecure = "ssl";
$mail->Username = "xxx@xxx.it;
$mail->Password = "yyyy";
$mail->AddCC('xxx@xxx.it');


//email del destinatario
$recipient = $_POST["email"];

Ma mi da questo errore:
Fatal error: Call to undefined method stdClass::AddCC() in /web/htdocs/www.lightyourlife.it/home/compleanno/send_form_email.php on line 56