Php Mailer Not Working on live server but working on local host :(

Question

This is the Code , its working on local host but not working on live server

isSMTP(); i already remove it on live server but still dosent work

    require 'phpmalier/PHPMailerAutoload.php';
    $email = new PHPMailer;
    //$email->isSMTP();
    $email->Host='smtp.gmail.com';
    $email->Port=587;
    $email->SMTPAuth=true;
    $email->SMTPSecure='tls';
    $email->Username='[email protected]';
    $email->Password='*******';
    $email->SetFrom('[email protected]');
    $email->AddAddress('[email protected]');
    $email->isHtml(True);
    $email->Subject= $mail . 'Contact Form';
    $email->Body= $user .'<br>'. $phone . '<br>' . $msg;