4 votes

Received a backdated letter with no stamp or other visible tracking info. Missed response window. How to react?

A letter without postage, with an impossible performance date, suggests an attempt to scam you. The envelope could have been put in your letterbox by someone other than the postal service. Any contact ...
2 votes
Accepted

What international postage agreement requires national carriers to use merely other national carriers?

Established by the Treaty of Bern of 1874, the Universal Postal Union - Wikipedia is the bases of the international postage agreements meantioned in your quote.
  • 4,313
2 votes

Can I send a letter within the Netherlands online?

Yes! I'm afraid that product/service recommendations are both off-topic and likely to get my answer deleted as spam, so I won't post links to any particular services. However, simply googling "...
  • 325

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