[Dovecot] Migrating shared folders from courier-imap to dovecot

[Timo Sirainen]

On Wed, 2011-06-29 at 11:45 +0100, Tom Clark wrote:
> Hi,
> 
> I'm hoping you'll be able to help. I'm working on a project to migrate our
> users from a courier-imap (4.3.0) based mail server to a dovecot (2.0.8)
> mail server.
> 
> I have got all the users migrated and working. However, I can't see how to
> migrate the shared folders from courier-imap. I have tried to find extra
> information all the migration information seems to centre around a user
> mailbox rather than shared mailboxes.
> 
> Is it simply a case of setting up the shared folders on dovecot, then
> copying the messages in, finally running the dovecot migration script across
> them?

Did you want per-user flags with shared folders? IIRC Courier used some
weird symlink directory for that, which won't work with Dovecot.
http://wiki2.dovecot.org/SharedMailboxes lists all the ways you can
currently do shared folders with Dovecot.