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Secret Paypal File Download
Secret Paypal File Download is a simple script which handles payment processing with Paypal and IPN notifcation to enable you sell any digital products (book, music, software…) Many products with the same features did exist on the market, but someone are so bloat, complex and ask you to set up with database, run install script….! Others are too lack of feature, even missing a sandbox tesing so we can test with paypal sandbox in order to avoi...