Can not send email with php mailer using gmail account

my code can run in localhost very good but when i upload it on host. It can not run.

Please help me!!!

Here is my code:

<?php
require 'class.phpmailer.php';
$mail = new PHPMailer();
$mail->IsSMTP();
$mail->Mailer = 'smtp';
$mail->SMTPAuth = true;
$mail->Host = 'smtp.gmail.com'; 
$mail->Port = 465;
$mail->SMTPSecure = 'ssl';


$mail->Username = "noreply.vinashop@gmail.com";
$mail->Password = "password";

$mail->IsHTML(true); // if you are going to send HTML formatted emails
$mail->SingleTo = true; // if you want to send a same email to multiple users. multiple emails will be sent one-by-one.

$mail->From = "no-reply@vinashop.mobi";
$mail->FromName = "VinaShop";

$mail->addAddress("vanminh2501@gmail.com","Luu Van Minh"");

$mail->Subject = "Testing PHPMailer with localhost";
$mail->Body = "Hi,<br /><br />This system is working perfectly.";

if(!$mail->Send())
    echo "Message was not sent <br />PHPMailer Error: " . $mail->ErrorInfo;
else
    echo "Message has been sent";

?>

Here is error:

Message was not sent 
PHPMailer Error: The following From address failed: no-reply@trnavi.net : MAIL not accepted from server,530,5.5.1 Authentication Required. Learn more at 530 5.5.1 http://support.google.com/mail/bin/answer.py?answer=14257 u7sm42762804pdj.34 - gsmtp
SMTP server error: 5.5.1 Authentication Required. Learn more at 530 5.5.1 http://support.google.com/mail/bin/answer.py?answer=14257 u7sm42762804pdj.34 - gsmtp

SMTP server error: 5.5.1 Authentication Required. Learn more at 530 5.5.1 http://support.google.com/mail/bin/answer.py?answer=14257 u7sm42762804pdj.34 - gsmtp