Bug#551923: mailbox rename fails with special user names

[Alessandro Polverini]

Dan White wrote:
> [...]
> Alex,
>
> You are absolutely right. I missed the imapd.conf option 'allowusermoves:
> 1'.
>
> Do you have that set? With that option set, I can move top level user
> mailboxes: [...]

Yes I have it: I'm sorry I completely forget to have set it, and it took 
me a while to figure it out :)

Alex