PDT Tutorial: http://www.paysketch.com/setup-paypal-pdt/
IPN Tutorial: http://www.paysketch.com/configure-and-setup-paypal-ipn/
PDT Tutorial: http://www.paysketch.com/setup-paypal-pdt/
IPN Tutorial: http://www.paysketch.com/configure-and-setup-paypal-ipn/
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