On 30 Mar 2012, at 20:59, Timo Sirainen wrote: > On 30.3.2012, at 22.55, Dr Josef Karthauser wrote: > >>> One-way sync will work fine. Two-way sync might be a bit troublesome. For >>> redesigned dsync I've started thinking about kind of a 1,5-way sync. :) >>> That would make sure that all messages from A are copied to B and no >>> messages are deleted from B, but doesn't try to copy new messages from B to >>> A. >>> >>> http://wiki2.dovecot.org/Migration/Dsync anyway has some docs. >>> >> >> But, 'dsync mirror' does a two way sync, doesn't it? Can't I just do that >> with imapc as the source mailbox? > > It does, but the two way sync mirroring relies on messages having GUIDs. IMAP > protocol doesn't have such a concept. I guess it could be kind of emulated by > using e.g. GUID = sha1(message header). The pop3-replication plugin kind of > does this already. But adding such code makes the regular "doveadm backup" > slower since now it has to fetch first message headers and then message > bodies. But I guess this could be an optional feature. Hmh.
I have a need of it right now. If there's something quick and dirty that I can do, that would be great. It would take the risk out of migrating my users over to dovecot. :) How much code would what you propose be? Joe
