TLS 1.2 issues that may affect UPS, USPS, FedEx, Authorize.net, PayPal API users
The industry is now requiring TLS 1.2 as a secure protocol for https communications. Soon the API's you may be using for UPS, USPS, FedEx, Authorize.net, PayPal and more will no longer accept connections on the older TLS. This creates many challenges for developers and website owners worldwide.
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IMPORTANT

IMPORTANT update for 2021. All users should install the Latest Update for 2021. We recommend updating to 10.070 or higher as soon as possible.