[Dovecot] migrating to dovecot

[Jim Lawson]

Does the proprietary solution allow IMAP access?  If so, I would use
imapsync.

http://www.linux-france.org/prj/imapsync/

Jim

On 3/29/11 18:26 , Alexandre Chapellon wrote:
> Hello,
>
> I am trying to setup a migration scenario from an proprietary solution
> to dovecot IMAP/POP3.
> Whereas am only at the strating point, things appear quite complicated
> because of the following reasons:
>
> - The proprietary solution uses special/own/proprietary mailbox format
> (wich is more like maildir but is not maildir)
> - I don't have direct access to the filesystem where the mails are
> stored. The best I could do would be a snapshots of the filesystem
> - I have about 1,5TB of mail data.
> - Having users to be forced to empty their mailbox before migration or
> re-download their whole mailbox after migration would be something hard
> for me to present as a correct option.
>
> Am looking for advices that would avoid me loosing time searching in bad
> directions. Or even point me to a miraculous tool thatdoes all magic
> while i have a beer :)
>
> Best regards.
>