thats a good idea for pop servers but not for imap.
> -----Original Message-----
> From: Henning Brauer [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, 28 December 2000 10:44 AM
> To: Mike Jackson; Michael Hornby
> Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]
> Subject: Re: "Backup" Qmail Server
>
>
> Am Donnerstag, 28. Dezember 2000 00:28 schrieb Mike Jackson:
> > Michael Hornby wrote:
> > > I am running qmail on a server which will be going down shortly for
> > > upgrades. I have a unix machine running at my house (static
> IP address)
> > > that I would like to use as a "backup" server. I plan on
> changing the MX
> > > record for my domain to point to my home machine, and to have all the
> > > mail delivered there while the main server is down. Instead of having
> > > mail being sent to me bounce, it will go through via the
> backup server.
> > >
> > > My ultimate goal is to have my home server accept any mail
> that is being
> > > sent to any e-mail address being hosted on the main server, and to
> > > indefinitely try to forward it to the main server. This way, when the
> > > main server returns, it will receive all the mail it missed
> while it was
> > > down. All the e-mail will then continue to be stored on the
> main server,
> > > and users can login there to retrieve it.
> > >
> > > Does anyone have any ideas as to how I might implement this?
> Any help is
> > > greatly appreciated. Thanks in advance.
> >
> > The best way to upgrade your mail server is to install a forwarding
> > sendmail on your firewall,
>
> ????
>
> The easiest way is to add another mx record with higher
> precedence to your
> domain pointing to your home machine and install qmail there, set
> ~/control/me and just copy over ~/control/rcpthosts from your original
> server. Thats all. You don't need to change this setup when
> you're finished,
> your home qmail will get all mail as loang as your primary server
> is down and
> send it to your primary when it becomes availabel again.
> The important thing here is that your domains are NOT in locals or
> virtualdomains.
>
> > then queue mail at the firewall until your
> > new server is complete. Set the bounce timeout on the firewall to
> > something like 5 days. I did this a week ago, and it took me about 30
> > hours for a large migration plus many mailing lists and domains... When
> > you are happy, open the floodgates... I had about 4000 messages queued.
> >
> > Mike
>
> --
>
> Henning Brauer | BS Web Services
> Hostmaster BSWS | Roedingsmarkt 14
> [EMAIL PROTECTED] | 20459 Hamburg
> www.bsws.de | Germany
