On Wed, Apr 04, 2007 at 03:42:43PM +0600, Zed wrote:
> We're going to migrate to new mailserver. Old and new mailservers use the 
> same 
> set of services - FreeBSD, Postfix, Courier-IMAP, ?ll settings for mail are 
> kept in MySQL.
> 
> We have a problem with moving users maildirs from old server to new one - it 
> must use too much time if offline.
> 
> Is it possible to use users maildirs at old and new servers together and 
> transparently for users?

See the not-very-well-documented "loginexec" facility - it's described in
INSTALL.

Put a loginexec file inside the new Maildir which runs a script which copies
the mailbox from the old server (via IMAP, via NFS mount, via ssh and tar,
or whatever's convenient). This lets you arrange so that when the user first
logs into the new mailserver it will copy their mail across from the old.

But you do have to write the migration script yourself.

Regards,

Brian.

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