I author a small ecommerce solution -- which I require the use of IPN URL's. Many of my customer's have been reporting this same error recently: http://cspf.co/fUA2/Image%202016-03-22%20at%201.51.24%20PM.png The only thing I've been able to find so far is this article: https://www.paypal-knowledge.com/infocenter/index?page=content&widgetview=true&id=FAQ1916&viewlocale=en_EN Two problems though, 1) the article doesn't state that the IPN URL's themselves must be https, only that https must be used when verifying the IPN (POST'ing the IPN back to PayPal) and 2) Even if I'm mis-interpreting #1 -- it's not September yet. If this gets enforced more widely, will this mean all my customers will need SSL/TLS certs on their websites?
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