Saw this on the news this morning:

"A postman who advised people how to stop junk mail being delivered to their home could lose his job after bosses suspended him for misconduct."

Related Article:

• BBC News: Junk-mail tip postman faces sack

• Unaddressed mail: Opt-Outs, Royal Mail, Kingsmead House, Oxpens Road, Oxford, OX1 1RX
• Addressed mail: Mail Preference Service (MPS), Freepost 29, LON 20771, London, W1E 0ZT or call 0845 703 4599