As more and more people migrate to Google Apps from Lotus/Exchange/etc, the more important migration tools become. The biggest so far was released by Google this week, one which will pull your users email into their Google Apps email through IMAP. This should work with Microsoft Exchange (so long as IMAP service is enabled on the server – and which can be enabled at migration time if it isn’t already) and Lotus Notes – through the IMAP connector. 99% of the other mail servers on the planet use IMAP save for a few old POP3 servers still in circulation so this might be a great time to migrate your users if you were on the fence before about Google Apps.
From Google’s Help Page:
Google Apps email migration enables domain administrators to transfer the existing contents of users