Sending unsolicited direct mail to consumers registered on the mailing preference service (MPS) could breach the "British Code of Advertising, Sales Promotion and Direct Marketing" administered by Advertising Standards Authority. Be safe - use Ok2Mail to ensure that the address is not registered on the MPS opt-out list before you send mail - your first 50 checks are free and 1p thereafter.
To access our UK Mailing Preference Service (MPS):