teo Posted August 2, 2014 Share Posted August 2, 2014 I followed the steps as of chapter 6 - "Enabling IPN" and entered: https://localhost/ullman_ecomm_2nd/ex1/html/ipn.php in "Notification URL" required field, selecting "Receive IPN Messages (Enabled)" too. After clicking "Save", I received the error message: " The domain name you have entered is not a valid IPN URL. Please enter the URL where you have installed your IPN script. " I mention that, during the creation of the PayPal button "Subscribe" I used a similar URL https://localhost/ullman_ecomm_2nd/ex1/html/thanks.php that worked perfect. What should I do??? Thanks in advance. Link to comment Share on other sites More sharing options...
Larry Posted August 2, 2014 Share Posted August 2, 2014 The IPN cannot use localhost because PayPal cannot reach that URL (because it is, by definition, local to only your computer). You need to use an actual, reachable URL there. Link to comment Share on other sites More sharing options...
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