public function __construct(){
    parent::__construct();
    $this->load->library('MyPHPMailer');
}
function index(){
    $this->load->library('MyPHPMailer');
    $fromEmail = "myemail@gmail.com";
    $isiEmail = "Isi email tulis disini";
    $mail = new PHPMailer;
    $mail->IsHTML(true);    // set email format to HTML
    $mail->IsSMTP();   // we are going to use SMTP
    $mail->SMTPAuth   = true;
    $mail->SMTPSecure = "ssl";
    $mail->Host       = "smtp.gmail.com";
    $mail->Port       = 465;
    $mail->Username   = $fromEmail;
    $mail->Password   = "password";
    $mail->SetFrom('myemail@gmail.com', 'noreply');
    $mail->Subject    = "Kirim Pesan PHPMailer";
    $mail->Body       = $isiEmail;
    $toEmail = "emaildestination@gmail.com";
    $mail->AddAddress($toEmail);

    if(!$mail->Send()) {
        echo "Eror: ".$mail->ErrorInfo;
    } else {
        echo "Email success to be sent";
    }
}

class MyPHPMailer {
public function __construct() {
    require('PHPMailer/PHPMailerAutoload.php');
    require('PHPMailer/class.phpmailer.php');
}
}