Is someone you know receiving a large amount of mail?  Are they sending money in response to this mail?  If so they could be the target of scammers.   The Royla Mail has a scam mail team who will deal with your concerns.  Contat them on This email address is being protected from spambots. You need JavaScript enabled to view it.  or FREEPOST SCAM MAIL or call 0800 114 466.