[Dovecot] 2.1.rc5 Cannot delete folders from trash

[Willie Gillespie]

On 2/13/2012 8:34 PM, Daniel L. Miller wrote:
> I'm fighting the same issue. With the current release (2.1rc6) no errors
> are logged - but I'm having problems deleted folders from trash. I've
> enabled tb-extra-mailbox-sep. Two folders that were previously in Trash
> were successfully removed. I deleted four more - after several
> Thunderbird restarts, compacts, refreshes, I have killed three of them -
> there is still one folder that won't "die". Thunderbird reports the
> mailbox doesn't exist, yet it continues to appear.

Out of curiosity -- does the mailbox actually exist if you look on the 
Dovecot server?
Secondly, is it listed in your subscription file?