Why do I keep getting banned from PayPal?
I have integrated with PayPal using HTML Forms method to accept payments on my site. When a user selects PayPal as their payment method when checking out, I redirect them to the PayPal website using HTML forms as described in the documentation. I am receiving payment to my PayPal account, however, when I receive an IPN message to my notify_url, when I send the notify-validate command, I get a 403 denied error. Please, help. Everything works like a sandbox, but I am starting to get this 403 error.
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