PayPal IPN system upgrading TLS version

I believe as of the last 36 hours ( @20180629 ) PayPal is upgrading their SSL requirements for merchants to TLSv1.2. As a merchant we’re seeing failures of our IPN handling system to complete PayPal IPN notifications, because the PayPal IPN system is responding with 4** errors. I’m guessing that many many merchants suddenly need Read more about PayPal IPN system upgrading TLS version[…]