Anyone who dealed with forms and php applications knows about emails. There a lot of questions about mail() function at http://www.php.net/mail
I got a class from sourceforge which makes my life mush easier.
You could make a piece of code which sends HTML email with attachment in a few minutes using it.
My script shows a form, where an user could enter his name and upload a file which will be sent to admin.

Portable Web Server

good portable web server - WOS portable

What is portable web server?
It is just full server environment fitted on flash-stick or CD(DVD)ROM.
WOS includes Apache web server, MySQL, PHP4&5 and a couple of PHP apps - such as OsCommerce, PHPMyAdmin and others.

It allows you to run your favorite site offline, on a client's desktop for example.

PHPAuction runs on PHP 5

I had to use PhpAuction v2.0 in order to create a website for my client. But this script is written in old fashiniod way and it requires register_globals to be set on. I prepared a little patches for it. Files that should be fixed:
includes/config.inc.php (Place the code below to the begining of the file)
$p = array_merge($_GET,$_POST,$_SERVER); foreach($p as $k=>$v){ $GLOBALS[$k] = $v; }
if (!isset($HTTP_POST_VARS)) $HTTP_POST_VARS = $_POST;
if (!isset($HTTP_SESSION_VARS)) $HTTP_SESSION_VARS = $_SESSION;

admin/loggedin.inc.php (Place the code below immediately after session_start();)
if (!isset($HTTP_SESSION_VARS)) $HTTP_SESSION_VARS = $_SESSION;

In this way PhpAuction v2.0 from https://sourceforge.net/projects/phpnggpl/ could be used on both PHP 4&5 with register_globals switched off