How do I move IMAP4 message from one server to another?

Hi All,

How do I move IMAP4 message from one server to another?

My old server provider has terminated my accout abruptly without giving me the time to backup anything.

I am using Outlook Express 6 (Windows XP0.

I have a 25MB dbx file for my inbox of my IMAP account.
How can I load them, syncronize them to my new IMAP account?

Or,.. I don't mind loading them to a regular folder and then dragging them up to the new server.
The problem is,.. I can't open the dbx files and they won't show when I attempt to import them.
It may be that I'm doing the import incorrectly, but I just don't know.

I have had no problems importing regular POP3 messages previously from older files to local folders,. but I just can't get it to work with my IMAP files.

Is there a way to edit them, rename them or otherwise so that I can pull them to local directories?

When I try to use them in the same directory as the regular account, it erases the local copy and places the empty or the 4 new msgs I've just got on the server.

Perhaps there is a utility of some sort that improts/exports/modify such files?

Could use your help on this.

Thanks,

-Alon.