with the Fax Preference Service to block them
Stopping unwanted faxes being sent to your business (or personal) fax machine.
It is illegal for companies to send faxes to numbers registered on the Fax Preference Service.
- Register: https://secure.dma.org.uk/cgi-bin/session.pl?reg_option=fps
- More information: http://www.fpsonline.org.uk/fps/