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RFC 1725: In 7. Optional POP3 Commands, the scope of UIDL uniqueness...

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Comment by bht_actrix
Submitted on 10/31/2003
Related RFC: RFC 1725
Rating: Rate this comment: Vote
In 7. Optional POP3 Commands, the scope of UIDL uniqueness is unclear.

"The server should never reuse an unique-id in a given maildrop, for as long as the entity using the unique-id exists."

Does this mean that the UID of a message after it is fetched by a client and subsequently deleted, can be re-used?
That would be catastrophic for any transactional system that relies on UIDs for deciding which messages to download and which messages to delete. In particular, such a client system would leave a message with a re-used ID on the server indefinitely because it thinks that it has already downloaded it.

bht@actrix.gen.nz

 
 
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