<?php
    require_once 'lib/swift_required.php';

// Create the Transport
$transport = Swift_SmtpTransport::newInstance('mail.XXX.com', 25)
  ->setUsername('admin@XXX.com')
  ->setPassword('my pass')
  ;

/*
You could alternatively use a different transport such as Sendmail or Mail:

// Sendmail
$transport = Swift_SendmailTransport::newInstance('/usr/sbin/sendmail -bs');

// Mail
$transport = Swift_MailTransport::newInstance();
*/

// Create the Mailer using your created Transport
$mailer = Swift_Mailer::newInstance($transport);

// Create a message
$message = Swift_Message::newInstance()
->setSubject(': We have a interesting offer for you!')
  ->setFrom(array('admin@XXX.com' => 'John Doe'))
  ->setTo(array('test@yahoo.com', 'test@yahoo.com' => 'A name'))
  ->setBody('Here iseessa the message itself')
  ->setPriority(1);

// Send the message
$result = $mailer->send($message);
echo $result;
echo $message->getHeaders();
?>