> RENAME, on the other hand, is broken on almost all servers. Maybe. But it is not impossible to fix RENAME in servers staying complaint with IMAP4rev1.
And I don't buy the argument that a server can't store 4bytes UIDVALIDITY somewhere when mailbox is deleted/renamed. > The Cyrus server (including the one running on imap.andrew.cmu.edu) > advertises that > it does not implement RENAME in a compliant fashion NO_ATOMIC_RENAME > capability. This used to be a problem in a single implementations. Several servers derived from Cyrus don't have this issue. Alexey
