To add a source to the blacklist:

  1. Click Add.

    Adding a Blacklist Entry

  2. The Add Entry dialog box opens. In the Source text box, enter the phone number, email address, or IP address you want added to the black list. In the Reason text box, enter the reason for blocking the source. Click OK.

    Adding a Blacklist Entry

  3. The new entry is added to the blacklist.

    Adding a Blacklist Entry

For more information, please refer to the following articles: