PAYPAL integration and IPN processing
Make a papal Add credits to account option after user logs in to our user portal.
create difrent amount selections like USD:10 , 20 , 50, 100 etc.. to enter the desired amount to be recharged.
create a listener for paypal IPN messages. and process the received IPN message and credit the amount to the users account.
there should be a mechanism to to avoid duplicate processing of already processed IPN messages.
the user portal is recently created. requires some fine tuning and design works.
user portal created on ASP.net framework 3.5 and MSSQL 2005
Email Notify the customer and admin after a a user make the payment