[Dovecot] create Sub-Subfolders

[Timo Sirainen]

On Mon, 2010-08-09 at 17:02 +0200, Richard Gliebe wrote:

> when a user tries to create a sub-subfolder in Archiv, he gets the message:
> 
> "Mailbox doesn't allow inferior mailboxes"

Like Phill said, the problem is mbox format. If you don't want to switch
away from it, you can still create Archiv/stuff, if you just don't first
create Archiv as a mailbox. In IMAP protocol terms you need to:

Create Archiv/ directory to filesystem:
1 CREATE Archiv/
Create the mailbox file:
2 CREATE Archiv/child

The 1 step is actually optional. In any case you can probably do both in
the client UI as well by just adding the '/' manually.