[Dovecot] Message UID Question
tss at iki.fi
Fri Apr 18 18:12:01 EEST 2008
On Apr 18, 2008, at 5:57 PM, Joe Allesi -X (joallesi - Coyote Creek
Consulting at Cisco) wrote:
> I have referred to the wiki and the RFC, but I still can't find the
> exact answer I'm looking for. From what I know, Dovecot uses the IMAP
> standard of 32 bit integers to uniquely identify messages.
> After a message is deleted from the mbox, can this UID ever be
> to a new message or is that UID retired? What about after the 2
> limit is reached?
The limit is 4 billion. There is code that if the UIDs reach that
high, a new UIDVALIDITY value is given (to invalidate client caches)
and all UIDs are renumbered to start from 1, but apparently that code
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