ADT and unwanted communication

Several months back I requested a quote and ADT were by far the most expensive and this was resolved over the phone, however and without my permission ADT have saved my details and repeatedly forward me communication and the "unsubscribe" apparently does not work. The POPi Act applies to ADT as well. It's also a waste of money sending unwanted communication and it's also a good reason not to consider ADT in the future or recommend them.