http://blogs.technet.com/b/seanearp/archive/2009/03/06/microsoft-transporter-suite-upgraded.aspxIf you are looking to migrate from Lotus Domino or from a generic POP/IMAP mail server to Exchange 2007, I have good news! The (free) Microsoft Transport Suite has been updated, to allow for multithreaded import of POP/IMAP mailboxes, and now supportsen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)