PHP swiftmailer simple setup for scripts (using smtp)

<?php
// swiftmailer
require_once 'swift/lib/swift_required.php';
$transport = Swift_SmtpTransport::newInstance('mail.example.com', 25)
  ->setUsername('username')
  ->setPassword('password')
  ;
$mailer = Swift_Mailer::newInstance($transport);

$message = Swift_Message::newInstance('My subject')
  ->setFrom(array('foo@example.org' => 'Foo Barman'))
  ->setTo(array('bar@example.com'))
  ->setBody('Hello...')
;

$result = $mailer->send($message);