Moving cyrus from one machine to another

[Andy Saxena]

Hi,

I would like to move the cyrus IMAP server from machine A to machine B.
I am running under Debian Linux, not that it should make any difference
to my question.

I have set up and tested the configuration on machine B. How do I move
the email from A to B? Should I use good old tar? If so, with what
options? What are the files and folders that need to be moved?

Thanks,
Andy