[Dovecot] IMAP subfolders and MDBOX

[Timo Sirainen]

On Wed, 2011-02-09 at 07:12 +0100, Frank Bonnet wrote:

> We actually use MBOX format on our mailhub but this
> does not permit to create IMAP subfolders.

It does, although it's less obvious how to do that with most clients.

> My problem is to choose the format that will permit
> imap subfolders creation.

Even mbox supports it, although the filesystem becomes a bit ugly:
http://wiki2.dovecot.org/MboxChildFolders

> Maildir is not my favorite format and I wonder about
> MDBOX.
> 
> Does it permit imap subfolders creation ?

Sure.

> It is possible to convert from MBOX to MDBOX in one shot ?

You can run dsync one user at a time, and of course you can run it for
as many users as you want. I'd suggest switching a few users first to
make sure everything will work nicely.

> Is it stable / mature enoug for a production server ( 4000 users ) ?

I hope so. :)