[Standards-JIG] UPDATED: JEP-0027 (Current Jabber OpenPGP Usa ge)

Ian Paterson ian.paterson at clientside.co.uk
Tue Mar 16 10:05:01 UTC 2004

Justin wrote:
> A message is valid so as long the timestamp is +/-5 minutes
> of the delivery time and the ID does not exist in the cache.

What about when a user switches (within five minutes) between two different
clients (resources).

If the message sender does not specify a resource then the message could be
replayed to the second client.

Perhaps the message IDs should be stored on the server, not locally on the

> the client should only consider offline messages valid if
> they are timestamped between the current and previous
> login time (this means saving a single timestamp to disk),

The client would have to allow messages stamped up to five minutes before
the logout time.

Also the timestamp cannot be stored locally. Since there be more than one

- Ian

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