I've used imapsync to go from dovecot to cyrus very successfully.
I'm planning a migration from SBS2003 and SBS2011 (Exchange 2010). The
plan is to leave the SBS 2003 server running on an isolated routed
network as it also hosts a database application that will get replaced
6-9 months later. The SBS2003 will be decommissioned then.
To make the transition smoother and quicker I am exploring the idea of
migrating the mailboxes to the 2010 Exchange system with imapsync.
Any gotcha's I should be aware of...
Thanks
Ken
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