On Fri, 2 Nov 2007, Ken Murchison wrote:

I'm getting ready to implement the QRESYNC extension for the upcoming
LEMONADE interop.

http://www.ietf.org/internet-drafts/draft-ietf-lemonade-reconnect-client-06.txt

Reading the Internet Draft, I'm a little puzzled by:

   4.3.  Additional state required on the server

   [...]

   Also note that if the UIDVALIDITY of the mailbox changes [...], then
   any state associated with expunged messages MUST be deleted as well.

I'm not clear what the motivation is here given that a new UIDvalidity forces a full resync from any client: no QRESYNC is possible.

This requirement is likely to be a pain for:

1. Leverage delayed expunge which already stores state for expunged messages in cyrus.expunge (up until the records are purged by cyr_expire).

Given that unexpunge assigns a new UIDvalidity to the mailbox.

--
David Carter                             Email: [EMAIL PROTECTED]
University Computing Service,            Phone: (01223) 334502
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