Migrating mailbox from cyrus-imapd-2.2.10 to 2.3.7

[Adam Tauno Williams]

> A server of mine crashed.  I'm brought up another new server that's
>running cyrus-imapd 2.3.7.  I copied my backup of /var/spool/imap to
>  the new server.  

Did you copy the metadata?  /var/lib/imap?

> When I connect, I can see all of the mail in my Inbox, but none of the
> subfolders show up.  The first time I tried to connect with
> Thunderbird, I got a message to the effect that the folder could not
> be found.
> Any idea why this is happening and what I can do to fix the problem?

Running a reconstruct wouldn't hurt.

P.S. Please try to post without HTML as it makes replying a pain.