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In Dutch: https://www.postnl.nl/versturen/postzegels/postzegels-kopen/postzegelcode/?pst=abzowerkthet https://www.postnl.nl/versturen/postzegels/postzegels-kope

In Dutch: https://www.postnl.nl/versturen/postzegels/postzegels-kopen/postzegelcode/?pst=abzowerkthet https://www.postnl.nl/versturen/postzegels/postzegels-kopen/... You buy a code that you write down in the location where normally the stamp would be.

kzrdude 4y ago
Just for fun, seems easily susceptible to a man-in-the-middle attack. Just take a postcard, copy their code, discard the original card, or just send the original later than the copy. :)
- Linosaurus 4y ago
  Yes, but then you are stealing mail. Which is bad. For a relatively small payoff.
  - interactivecode 4y ago
    stealing mail is also punishable with jail time basically everywhere. they take that stuff seriously