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The TLS support provided by Deep Discovery Email Inspector uses the same set of keys for upstream and downstream directions. The CA certificate can be one of the following:

  • The real CA certificate used to sign all public keys of all email relays communicating with Deep Discovery Email Inspector.

  • Individual certificates of all email relays communicating with Deep Discovery Email Inspector.

  1. Go to Administration > Mail Settings > Connections.
  2. Under Transport Layer Security, do the following:
    1. Select Enable incoming TLS.
    2. Click Choose File or Browse next to the type of certificate to upload.
    3. Click Upload.
  3. Click Save.