[Dovecot] Permanent flags not announced and public mailbox with per-user index

[Timo Sirainen]

On Thu, 2010-05-20 at 16:44 +0200, Julien Danjou wrote:

> However, when selecting the mailbox, system flags are not announced as
> permanent but only as session flags:

Yeah, that's a bug I guess..

> 3445 OK [READ-ONLY] Select completed.
..
> Even if it's true that the Maildir is read-only, it's still possible to
> store \Seen permanently.

I think the main bug is that maildir is thought to be read-only. IMAP
ACL RFC says READ-ONLY shouldn't be returned unless nothing can be
changed. Does this help?
http://hg.dovecot.org/dovecot-1.2/rev/c2c1639b91ee