Editing Reverse DNS Validation Settings

  1. Go to Inbound Protection > Connection Filtering > Reverse DNS Validation.
  2. Click the Settings tab.
  3. From the list of reverse DNS validation domains, click a sender domain that you want to edit.
  4. Modify the reverse DNS validation settings as required.

    For details about the settings, see Adding Reverse DNS Validation Settings.

  5. Click Save.