Currently getting the following error in the logs when sending emails via o365 smtp auth on build 9336.
[03-01-2022]|[SYSOUT]|[INFO]|[124]|: 421 4.7.66 TLS 1.0 and 1.1 are not supported. Please upgrade/update your client to support TLS 1.2. Visit
https://aka.ms/smtp_auth_tls. [BN6PR2001CA0034.namprd20.prod.outlook.com]