The secure download links cannot be accessed without going through the Secure Download System that captures the user's identifying IP address and sends you (the merchant) a sales report/download notification every time the Secure Download System is accessed/use The download links are replaced with a secure MD5 hash/code and the Secure Download System authenticates each secure link before it will allow the download (this method provides more security than any other download system in the world Plus , I'll give you a customized version of this software that will insert the link to your affiliate website and a brief advertisement for your affiliate website in every Thank You email that it sends to your customer I tried several of your competitor's products but it turned out that none of them provided good download protection and they could not secure the digital products on my server like Digital Product Guard does for me no You can set access to the download page to expire in any amount of time that you want, or set it for one-time access so nobody can share the download page! It provides the absolute best protection for accepting payments (and automatically delivering digital products) via PayPal because the PayPal IPN (Instant Payment Notification) version will verify the following 3 items: Next, the script sends a Thank You Message to the buyer and a detailed Sales Report to yo Plus, our affiliates get a customized version of this software that automatically inserts a brief advertisement for their affiliate website in every 'Thank You - Order Confirmation' message it send Click the link above and you will be taken to ClickBank's secure server, then enter your country/state, zip/postal code, your name and email address and any 16 digits for the card number. Plus, if you want, it will automatically add your customers to your database or to an autoresponder so you can follow-up with them and/or introduce them to other products and special offers! Digital Product Guard ClickBank and PayPal Download System - automate & protect your ClickBank and PayPal sales and downloads