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From: "Chad Leigh -- Shire.Net LLC" <chad@shire.net>
Date: Fri, 10 Mar 2006 22:08:06 -0700
To: RJ45 <rj45@slacknet.com>
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Cc: freebsd-questions@freebsd.org
Subject: Re: FreeBSD cluseter ?
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On Mar 10, 2006, at 11:58 AM, RJ45 wrote:

>
> Hello,
> I have the tastk to make a project of a server cluster for 20.000
> mailboxes.
> In which way may I create a cluseter of imap servers using FreeBSD ?
> any suggestions or hints ?
> The is the problem of the imap mailboxes. How can I syncronize them
> in real time on both machines ?
> I as thinking to cyrus imapd or dovecot as imap server, but anyway  
> 20.000 mailboxes are really huge...
> And with cyrus imapd is impossible to achieve a real fail over system
> even using cyrus murder.

I am not an expert on this but you should be able to run multiple  
dovecot or courier-imap servers across multiple machines accessing a  
central filesystem using maildir format.  maildir is designed for  
multiple access etc.

Chad


---
Chad Leigh -- Shire.Net LLC
Your Web App and Email hosting provider
chad at shire.net