[Dovecot] Per-user seen flags for public read-only mailboxes

[Guido Berhoerster]

* Marco Giunta <giunta at sissa.it> [2013-03-25 08:57]:
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> On 2013-03-25 09:11, Guido Berhoerster wrote:
>> How can I get per-user SEEN flags to work?
>
> Hi,
>
> You have to create an empty file named '**dovecot-shared' in your 
> '/srv/mail/public/' directory.
>
> Here the reference on dovecot wiki:
>
>    
> http://wiki2.dovecot.org/SharedMailboxes/Public?highlight=%28dovecot-shared%29#Maildir:_Per-user_.2BAFw-Seen_flag
>
>
> I've waste a lot of time first time I've configure the same thing on our 
> server ....

D'uh, I totally overlooked that these have to be created
manually. So now I've created these on the toplevel, and in every
mailbox below and I've changed all dovecot-acl files from
authenticated lr
to
authenticated lrs
and restarted dovecot, yet the mailboxes are still marked
read-only and setting the seen flag is ignored. Somehow I thought
I did the same change to the acl files and it worked as expected
(except the per-user flag of course). Anything else I have to do
to allow seen flags to be set?
-- 
Guido Berhoerster