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They take a photo of the front and back of every piece of mail that is sent. Your content is safe, but they still get the metadata.

• thetrb 13y ago
  Couldn't you just leave off the return address? In this case there's not much metadata to collect except for the recipient address.
  • riquito 13y ago
    You can also fake the "from" address in an e-mail, and send it from somewhere in the world via vpn
  • jobigoud 13y ago
    I did a fun experiment once. I wrote the actual recipient address in the return address place, and put a non existant address in the front. I also didn't stamp it. It did arrive to the recipient 2 weeks later, with a "return to sender" banner.
    • jsymolon 13y ago
      Working in the mailing business and dealing with the USPS carriers; they are not dummies (the usual people warning here) and if someone gets curious on why so many pieces arrive at a certain address w/o postage, I would expect that address to get flagged for a special looksee.