On Fri, 2011-04-08 at 16:03 +0100, William Blunn wrote: > But with the mdbox user, Thunderbird pops up an error: > > The current command did not succeed. The mail server for account > <accountname> responded: Invalid mailbox name: Trash/foo/. See if imap_client_workarounds=tb-extra-mailbox-sep solves this.