Views:
  1. Go to Inbound Protection > Connection Filtering > Reverse DNS Validation.
  2. Click the Blocked PTR Domains tab.
  3. From the list of PTR domains, click a PTR domain that you want to edit.

    You can type the PTR domain name in the search box to find a PTR domain.

  4. Modify the PTR domain settings as required.
    Note:

    For details about the settings, see Adding PTR Domains.

  5. Click Save.
Parent topic: Configuring the Blocked PTR Domain List