CREATE INBOX/attention: NO Invalid mailbox name

[Marten Lehmann]

Hello,

> Why?
> 
> If the problem is that Dovecot uses the folders below inbox, then do the 
> migration and *THEN* enable altnamespace.  Simple! :-)

the problem is, that dovecot allows both: at the same level of INBOX and 
subfolders of INBOX. Cyrus only supports on of both at the same time. So 
I choosed to rename folders and it worked fine. I guess users will find 
their folders without problems.

Regards
Marten