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A comment on Postzegelcode. Parent comment

Re:Postzegelcode by sodality2 on Sunday June 30, 2024 @04:23PM (#40840071)
If mail gets lost for longer than 5 days, it won’t be known who it goes to, since these codes are reused.
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Re:Postzegelcode by pacifika on Sunday June 30, 2024 @04:46PM (#40840237)
Then you can write any code down and wait 5 days to send it
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Re:Postzegelcode by t0mas88 on Sunday June 30, 2024 @05:06PM (#40840381)
You can, but an invalid code is treated as if there was no postage stamp on it at all. So your letter will be returned or the receiver is asked to pay.

A code that's past the validity date is probably considered an invalid code as well.

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Re:Postzegelcode by afro88 on Sunday June 30, 2024 @05:05PM (#40840376)
Probably the sender has to be linked to the current code for it to be accepted
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