On 13.3.2012, at 10.46, Vincent Schut wrote:
> Hi,
>
> while migrating all mail from our old to our new server (using offlineimap,
> imap -> imap), I get the following error for one of my user's mailboxes:
>
> ERROR: Folder 'Organisations.RS Env & IJRS'[local_hoekman] could not be
> created. Server responded: ('NO', ['Invalid mailbox name: Organisations.RS
> Env & IJRS'])
>
> I suppose this is because of the ampersand in the mailbox name? Because other
> folder with spaces in it go just fine...
>
> Is this a fixed thing? Why was my user able to create the folder once? And
> why is dovecot 1.2.15 refusing to create the folder now?
Old Dovecot versions didn't enforce mailbox names to be valid, new ones do. I
guess user had a broken IMAP client that created a mailbox with invalid name
and now Dovecot refuses to do it again.
Mailbox names are in "modified UTF-7" format. "&" character needs to be
translated as "&-".
