[Dovecot] Imap 2 imap copy tool?

[Maikel Verheijen]

Hi List!


At the moment, our company is preparing to migrate from MS-Exchange to a
dovecot mail platform. Since there is no way to access the emails on the
file-store other than using webmail, pop or imap, I wanted to do this by
using an imap-to-imap copy tool.

I have found one that does the job (but POORLY), named migrate
(http://prdownloads.sourceforge.net/cyrus-utils/). Does anyone know some
other tool(s) for me I could have a look at? 

My requirements for such software are:
- it should use a username;password list to do the migration (20k+ users)
- it should be able to do imap to imap copy, or imap to maildir with a
flexible path
- it should copy all the folders too, except the "Public Folders" from
exchange.
- it has to be able to "ignore" unknown flags from the exchange imap server
(\Recent).

What I would love the software to have (and what imapmigrate lacks):
- Folder and message syncing (to be able to keep the mailbox in sync)
- detailed errors if something goes wrong, not too much fuss over accounts
that DO get copied cleanly
- fast tool? :)

Thank you for your time!

Kind regards,


Maikel Verheijen.

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