You can refuse most items: https://pe.usps.com/text/dmm300/508.htm https://pe.usps.com/text/dmm300/508.htm Sections "1.1.2 Refusal at Delivery" and "1.1.3 Ref

You can refuse most items: https://pe.usps.com/text/dmm300/508.htm https://pe.usps.com/text/dmm300/508.htm Sections "1.1.2 Refusal at Delivery" and "1.1.3 Refusal After Delivery". Here in Finland I think 97%+ of physical advertisement "mail" is non-addressed and the carriers of those respect "no ads" signs (no address => ad). I think this might be different in US in that advertisement mail is usually addressed?