To setup on your own server:
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1. unzip files 

2. edit the file:  contact_process.php
   add your own details ($replyemail, $valid_ref1 and $valid_ref2)

   If you intend to include the contact.html file within a php file then ensure you 
   enter the correct filename and extension (.php) for the $valid_refs.  

   ie.  $valid_ref1="http://Your--domain/contact.php";


3. upload to your server (to a new folder if required)


4. Open the URL in your browser.