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Migrate iMAIL to MS Exchange 2003

I have 1000+ iMail users. 80% of them use the webmail. I need to move all of these users off of iMail and onto Exchange 2003. I have found tools in Exchange that can import internet email accounts but I need more than just the username and password setup... I also need to move over mailboxes and address books (idealy).
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Bud DurlandDirector of IT
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Commented:
For moving the e-mail messages, I've had good luck with IMAPCOPY ( http://home.arcor.de/armin.diehl/imapcopy/imapcopy.html ).  I migrated from iMail to another (non-exchange) mail server.  One gotcha I found was that iMail lists mail folders with the deepest nested folder first; IMAPCOPY will fail because the "parent" folder doesn't exist..  I had to run IMAPCOPY in "make folders only" mode several times, then run it to copy messages.

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Commented:
Is this something that exports usernames/passwords or does it also export mailboxes (messages). Also can you do this mailbox by mailbox or is it something you have to do all at once?
Director of IT
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Commented:
It only transfers mail.  it does it using the IMAP protocol.  basically, you create a text file that has the host name or IP address of the source and target servers, and the userNames & passwords of the accounts you want to transfer.  It reads the list and one by logs into each server as the account, and copies the mail from one to the other.  I nthe config file, you an tell it to only include certain folder, or (more useful) skip certain folders, such as 'trash', or 'Junk Mail'

As I mentioned before, when asked for the list of folders in an account, IMAIL will return them with the deepest folder first, so IMAPCOPY will try to make 'invoices/2008' before 'invoices' exists, hence the recommendation to run it in "make folders only" mode until there are no errors.

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Commented:
This solution did not work. The url listed above does not work.
Bud DurlandDirector of IT
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Commented:
Bud DurlandDirector of IT
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Commented:
Ooops.  Download seems to be corrupt.  I'll put it on my web page @ http://www.thedurlands.com/download
Bud DurlandDirector of IT
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Commented:
Spoke too soon; the download is fine, it's just that my old copy of  WInRAR can't open it  Windows explorer opens it OK.

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Commented:
Thank you.

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