On Sun, 2003-01-19 at 22:28, Andreas Aardal Hanssen wrote: > If you then delete A and rename B back to A, you will have a mailbox A > that in the client's POV has _decreased_ its UIDVALIDITY.
Like I said, I don't see any requirement for UIDVALIDITY to _grow_. It has to be _different_. > This means that a message that the client saw in A earlier may now > reappear in A with a different UID, but the UIDVALIDITY may be the same or > lower. Or the message that the client earlier identified as 1:1 is now 1:5 > (UIDVALIDITY:UID), and that's in breach with the protocol. That happens only if the UIDVALIDITY is exactly the same. There should be no problem if it's lower, or the client is broken (or I've missed something in the specs).