How to block fax spam or junk faxes
- Locate problem number on the fax (if a number is listed)
- Open GFI FaxMaker configuration > Advanced > Junk Fax Filter > Properties:
- Check the 'Delete faxes from these FAX CSID's:'
- Add the problem number(s) to the list
- If the junk fax arrives with no number to block, check the box to 'Delete faxes received from fax machines with an empty (or blank) fax CSID'
- Click 'OK'
- Close the GFI FaxMaker configuration
- Restart the GFI FaxMaker services