I bet free junkmail is a bit harder to arrange in Malaysia, but I bet it's not impossible. For the USA, the easiest free mail and samples I can bomb my friends with are stickers, hygiene products, and religious DVDs. I am working on finding out the name of the mail carrier that delivers to one friend so that I can create maximum confusion by putting his name on all the mail 😁.
At least 50 autofill forms I clicked through I titled a mix of "President, Flat Earth Society."