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https://en.wikipedia.org/wiki/Universal_Postal_Union https://en.wikipedia.org/wiki/Universal_Postal_Union agreements mean that postal services are obliged to de
by incompatible 11y ago
https://en.wikipedia.org/wiki/Universal_Postal_Union https://en.wikipedia.org/wiki/Universal_Postal_Union agreements mean that postal services are obliged to deliver foreign mail, and the amount they are paid for it is unrelated to their actual delivery costs.