Sending Mail via PHP

function kirim_email(){
    ini_set('SMTP', "smtp.googlemail.com");
    ini_set('smtp_port', "465");
    ini_set('sendmail_from', "masbott@gmail.com");
    ini_set('display_error', '1');

    $to = 'Rahendra Putra <rahendz@gmail.com>';
    $message = 'Message';

    $subject = 'Kapan rabi neh?';
    $body    = "<div> hi hi .. </div>";
    $headers = "MIME-Version: 1.0\r\n";
    $headers .= "Content-type: text/html; charset=iso-8859-1\r\n";
    $headers .='X-Mailer: PHP/' . phpversion();
    $headers .= "Date: ".date('Y-m-d')."\r\n";
    $headers .= "X-Sender: Fakhrur <masbott@gmail.com>\n";
    $headers .= "Return-Path: masbott@gmail.com\n";
    $headers .= "Mailed-by: uad.ac.id\r\n";
    $headers .= "Signed-by: uad.ac.id\r\n";
    $headers .= "From: masbott@gmail.com" . "\r\n";

    mail($to,$subject,$message, $headers);
}