[Kroupware] Synchronization of deleted data

[Martin Konold]

Am Montag, 30. Juni 2003 22:46 schrieb Jason A. Pattie:

Hi Jason,

> Has anyone given any thought to leaving deleted data (calendar,
> contacts, todo, notes) in the form of an e-mail message marked deleted
> on the kolab/IMAP server and not purging.

This is not necessary!

> Since IMAP servers have the concept of deleted messages, this would
> greatly simplify synchronization of deleted data between clients.

No, it would only fill up the disk unnecessarily.

>  Right
> now, when one client deletes data, another client can/usually will put
> it back since it does not know that it was deleted.

This is a wrong assumption.

> All this would require that you don't purge IMAP after each
> transaction(?) and you check deleted data on the server against local
> data thereby deleting the correct local data and not pushing that local
> data back to the server -- like it currently does, because it thinks it
> is missing.
>
> There should be a "purge" feature/button/menu entry/something so that a
> user, after knowing that all their events, contacts, etc. have been
> synchronized, can purge the deleted IMAP data.
>
> Hopefully this hasn't been too brain mesmerizing.

This is not how disconnected IMAP works. There is no "reappearing" messages 
issue.

Please also have a look at

	 http://asg.web.cmu.edu/cyrus/rfc/draft-ietf-imap-disc-01.html


Regards,
-- martin

Dipl.-Phys. Martin Konold

e r f r a k o n
Erlewein, Frank, Konold & Partner - Beratende Ingenieure und Physiker
Nobelstrasse 15, 70569 Stuttgart, Germany
fon: 0711 67400963, fax: 0711 67400959
email: martin.konold at erfrakon.de