<?php
require 'class.SimpleMail.php';

$postcard = new SimpleMail();

$postcard->to = "youremail@yourhost.com";
$postcard->subject = "Testing HTML email";
$postcard->htmlbody = "This is a test using HTML email!";
$postcard->send_html = TRUE;
$postcard->send_text = FALSE;

if ($postcard->send()) {
  echo "HTML email sent successfully!";
}
?>