[Dovecot] Eliminate legacy INBOX namespace - how?

[Timo Sirainen]

On 21.12.2013, at 19.12, Charles Marcus <CMarcus at Media-Brokers.com> wrote:

>> I don't think it can be done easily with just a single config. Whatever you do to new users might break existing setups. So the only good way I think would be to use two different IPs. One for the new setups, one for the old. For example imap.domain.com -> mail.domain.com or vice versa.
> 
> Actually, that's a good idea... thanks!  :)
> 
> Then I guess I proxy the old users to the old server until I get them all converted? Now I'm off to read about how to implement that...

You can use a single Dovecot, just use something like:

namespace inbox {
  prefix = 
}

local 1.2.3.4 {
  namespace inbox {
     prefix = INBOX.
  }
}

Where 1.2.3.4 would be the IP for the old configuration.