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  1. Excel Micro
  2. Mimecast™
  3. Best Practices - Mimecast

Mimecast: TLS 1.0 and 1.1 Deprecation

Update to TLS 1.2 or above

From 31 October 2020, TLS 1.0 and 1.1 will be disabled for our SMTP servers. If your clients use these versions, it could affect their secure connection to Mimecast.

Depending on configured policies, and those of third-party mail servers, unencrypted or failed mail transmission may result.

To ensure continuity of services, mail servers and apps should be updated to support TLS 1.2 and above. see attached to Learn More.

tls_1.0_and_1.1_deprecation_-_july_update.pdf

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  1. Carlos Rios

  2. Posted
  3. Updated

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