Need advice: mailbox-based \Seen flag

[Ken Murchison]

Boris Lytochkin wrote:
>>>> - When a mailbox is opened that has this annotation enabled, we open the
>>>> seen state database for the special 'anyone' user instead of the 
>>>> authorized user.  This would allow using the same API with minimal 
>>>> changes.  Perhaps we could come up with a better userid then 'anyone' 
>>>> but its already reserved as special via ACL.
>>> It will work as long as we want to use shared folder for every user.
>>> As soon as we want to restrict access to a set of users, this would not
>>> work.
>> That's what the 's' right is for.  Only give 's' to those users that you
>> want to be able to mark messages as seen.
> 
> Ah, 'anyone' will be used only to store per-mailbox seen records.
> (Sorry for misunderstanding, I was still sleeping at the moment. :-)
> Where to store this file? Again, what about replication?

The same place as the rest of the per-user seen databases.  It *should* 
replicate fine, but I haven't thought it through.

-- 
Kenneth Murchison
Systems Programmer
Project Cyrus Developer/Maintainer
Carnegie Mellon University