SMTP TLS Checker | LuxSci

Jul 20, 2017 Exchange Server TLS guidance Part 2: Enabling TLS 1.2 and Sep 01, 2017 TLS vs SSL: What's the Difference? Which One Should You Use? Mar 18, 2020 Control TLS Negotiation on Delivery on the ESA - Cisco

How To Verify TLS Options in Windows - SunLync

TLS 1.2 is the default security protocol for Schannel and consumable by WinHTTP. Ensure you have installed the most recent Monthly Quality Update along with any other offered Windows updates. Windows Server 2012 R2. TLS 1.2 is the default security protocol for Schannel and consumable by WinHTTP; Ensure your server is current on Windows Updates.

Transport Layer Security - Wikipedia

Sep 01, 2017