Sending mail from localhost(WAMP) using SMTP Protocol and PH

<?php
require_once 'Mail.php';
include('Mail/mime.php');

$from = 'your gmail id';
$to = 'your addr';
$subject = 'Hi!';
$body = "Well dude, Mail functionality is working isnt it :P.<br/><br/>Now with Attachments";
$host = 'ssl://smtp.gmail.com';
$username = 'your gmail id'; // same as $from
$password = 'your password';

$headers = array('From' => $from,
    'To' => $to,
    'Subject' => $subject
);

$mime = new Mail_Mime("\n");
$mime->setHTMLBody($body);
$mime->addAttachment("a picture or any other attachment link");

$body = $mime->get();
$headers = $mime->headers($headers);

$email = Mail::factory('smtp',
    array('host' => $host,
        'auth' => true,
        'username' => $username,
        'password' => $password,
        'port' => 465
    )
);

$result = $email->send($to, $headers, $body);

if(PEAR::isError($result))
    echo 'Error occurred: ' . $result->getMessage();
else
    echo 'Email sent.';
?>