Need adivce: moving from stock IMAP server to Cyrus IMAP. How hard is it?

[Will Backman]

On Wed, 2004-05-19 at 13:21, Apollo's list account wrote:
> My users like to keep 500 to 1000 messages in their mailboxes and 
> average about 500K per message (we are a talent management company, so 
> there is lots of multimedia being exchanged).
> So far I have been running whatever came stock with FC1, so I have 
> Postfix with WU IMAP running in that standard UNIX mailbox mode.
> 
> Can I keep Postifix and just change it to Cyrus IMAP style mailboxes and 
> install Cyrus IMAP? Or do I have to start from scratch?
> Fortunately I have only 10 users, so I will have to deal with about 10K 
> in messages and about 150 sub folders.
> 
http://www.redhat.com/archives/fedora-test-list/2004-May/msg00688.html
http://www.redhat.com/archives/fedora-test-list/2004-May/msg01286.html