[Imap-protocol] IMAP MOVE extension

[Timo Sirainen]

On pe, 2010-06-11 at 07:40 -0700, Dan Karp wrote:


> Incidentally, Mark's stated reason for avoiding a MOVE op in baseline

> IMAP was that it would be the only operation to require locking >1 

> mailbox simultaneously.  Or so I recall.


As long as there is no requirement for MOVE to be atomic (i.e. it would
be allowed to emulate it with copy+expunge), there's no need to lock
multiple mailboxes simultaneously.