DS-IPN.NET Advanced is an ASP.NET Paypal IPN processing and fulfillment system which enables automated distribution of digital products via email to your customers. When a customer buys one of your products on your website using Paypal �Buy Now� buttons, the web application receives an IPN request from Paypal which it validates and then sends out the purchased product via email using secured download links or as an attachment. DS-IPN.NET Advanced logs all the transactions details to either a MS Access 2000/2003/XP or SQL Server 2000/2005/MSDE database, where they can be viewed by the administrator. DS-IPN.NET Advanced provides configurable data views to allow the user to select how they view the sales statistics, also making use of pie and bar charts to graphically present sales & revenue trends. DS-IPN.NET Advanced provides an effective, extensible & powerful ecommerce solution for automated delivery of digital goods via email whilst making use of Paypal's merchant services.