[Kde-pim] KMail Migration

Thomas McGuire mcguire at kde.org
Sun Apr 18 22:21:39 BST 2010


Hi,

On Sunday 18 April 2010 18:22:16 Ingo Klöcker wrote:
> On Sunday 18 April 2010, Thomas McGuire wrote:
> > - The IMAP cache of KMail 1 might not have been synced with the IMAP
> > server - deleted mails: Not important, the user will get the mail
> > back when migrating though
> > 
> > 	- modified mails: same as deleted+added
> > 	- added mails: These need to be found, as otherwise they will be
> > 
> > lost. One can probably look at the X-UID header of the mails in the
> > cache: If the mail was not yet synced, it is either 0 or not
> > existent(?)
> > - Cache migration for disconnected IMAP is very difficult, and not
> > high on the priority list
> 
> The last two are both about disconnected IMAP, right?

Yes.

> Probably the
> easiest approach for disconnected IMAP would be to force a
> synchronization (with the old code provided by a standalone migration
> tool) and then, in a second step, do the import into Akonadi. Until the
> migration is completed the account would be disabled or not available at
> all in KMail.

Extracting the old code for standalone synchronization doesn't actually sound 
easy to me, but that is probably the only way to do it properly. The question 
is if the effort is worth it.

> What about the cached headers of an online IMAP account? What will
> happen to them?

They are re-downloaded from the IMAP server.

Regards,
Thomas
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