Setting Up Server-wide Black and White Lists

To block mail from specific domains:

  1. Click the Server shortcut in the navigation pane.
  2. Click Mail in the Services group.
  3. Click the Black List tab.
  4. To add an entry to the black list, click Add Domain, and specify domain name in the Domain name field.
  5. Click OK.
  6. Repeat steps 4 and 5 to add as many domains as required.

To allow mail reception from specific domains or networks:

  1. Click the Server shortcut in the navigation pane.
  2. Click Mail in the Services group.
  3. Click the White List tab.
  4. To add an entry to the white list, click Add Network, specify network IP and mask into the IP address/mask field.
  5. Click OK.
  6. Repeat steps 4 and 5 to add as many networks as required.

To remove entries from black or white list:

  1. Click the Server shortcut in the navigation pane.
  2. Click Mail in the Services group.
  3. Click the required tab (Black List or White List).
  4. Select the checkboxes corresponding to the entries you wish to remove and click Remove Selected.
  5. Confirm the removal and click OK.