[Dovecot] Clients and dovecot-uidlist

[Timo Sirainen]

On Fri, 2009-07-31 at 18:40 +0200, Thomas Hummel wrote:
> On Fri, Jul 31, 2009 at 12:26:04PM -0400, Timo Sirainen wrote:
> 
> > i.e. Dovecot gets also the next_uid from index file, and starts
> > assigning UIDs beginning from it.
> 
> Clear. I probably deleted indexes as well in my test and didn't notice a new
> UIDVALIDITY.
> 
> But what about the client's cache ? Does it knows anything about UIDs ?

Most clients cache mails based on UIDVALIDITY and UID, so if UIDVALIDITY
changes, it re-downloads all mails. If just UIDs change, then it's
handled exactly the same way as if all messages just got expunged and
added back, so again it'll re-download them.

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