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Important
Important
Deep Discovery Director 5.5 does not support the Email Encryption feature and causes any updates to the settings to fail. The following content is for reference use.

Procedure

  1. Go to AppliancesEmail EncryptionDomain List.
  2. Select one or more domains to delete and then click Delete.
    Note
    Note
    To add a deleted domain back to the domain list, you must perform the domain registration steps again.