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Re: [lvs-users] High Traffic IMAP deployment

To: Jose Ildefonso Camargo Tolosa <ildefonso.camargo@xxxxxxxxx>
Subject: Re: [lvs-users] High Traffic IMAP deployment
Cc: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
From: Simon Horman <horms@xxxxxxxxxxxx>
Date: Tue, 17 Aug 2010 10:50:40 +0900
On Sat, Aug 14, 2010 at 08:45:00PM -0430, Jose Ildefonso Camargo Tolosa wrote:
> Hi!
> 
> On Fri, Aug 13, 2010 at 2:00 PM, Tracy Reed <treed@xxxxxxxxxxxxxxx> wrote:
> > On Fri, Aug 13, 2010 at 11:09:54AM -0430, Jose Ildefonso Camargo Tolosa 
> > spake thusly:
> >> I think they are pretty much the same, maybe, dovecot a little faster
> >
> > Count me as another vote for dovecot. It works great.
> >
> >> Nothing new, except, maybe, the replication thing, Cyrus suggest the
> >> use of Perdition (which can be very problematic, specially with
> >> SSL/TLS related issues).
> >
> > Around 2000 I migrated a large (for the time) corporate mail server
> > from wu-imap/mbox to courier (if I recall correctly)/Maildir. It was
> > not possible to convert all of the mailboxes at once due to the large
> > amount of time it would have taken (and also because a desktop config
> > setting was needed due to how broken Outlook was with IMAP
> > namespaces). So I ended up running both IMAP servers at once on
> > unusual port numbers with perdition running on the normal IMAP
> > port. Then as each user's mail store was converted I would add them to
> > the perdition config and perdition would route them to the appropriate
> > IMAP server. It worked great.
> 
> Yes, perdition *does* work, but it only support LDAPv2, I had to
> modify the LDAP server configuration.

I don't believe that is true unless you are compiling against
a particularly old version of openldap.


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