Odesílání mailů na gmail

$mail = new PHPMailer(true);
.
.
    //Server settings
    $mail->SMTPDebug = SMTP::DEBUG_SERVER;                      //Enable verbose debug output
    $mail->isSMTP();                                            //Send using SMTP
    $mail->Host       = 'xxxxx';                     //Set the SMTP server to send through
    $mail->SMTPAuth   = false;                                   //Enable SMTP authentication
    $mail->Username   = 'user@example.com';                     //SMTP username
    $mail->Password   = 'secret';                               //SMTP password
//    $mail->SMTPSecure = PHPMailer::ENCRYPTION_SMTPS;            //Enable implicit TLS encryption
    $mail->Port       = 25;                                    //TCP port to connect to; use 587 if you h

    //Recipients
    $mail->setFrom('ccc', 'Mailer');
    $mail->addAddress('xxx', '');     //Add a recipient
    $mail->addReplyTo('xxx', 'Information');