On Thu, 2007-01-04 at 07:47 -0500, Ken Murchison wrote:
> >>> Can I use the old server as both a front end and one of the back ends
> >>> for a murder configuration, with the new server as the second back end?
> >>> Will that allow me to migrate mailboxes at my convenience? How do I
> >>> prevent a port conflict between the IMAP server and the proxy on the
> >>> old server?
> >> You'll have to run the frontend + mupdate master on a separate machine.
> >
> > Unfortunately, all the clients know the IP address of the old server,
>
> They actually use the IP address instead of a DNS name?
Various broken client resolvers ruin the idea of shortening ttl of
the mail service record(s) and switching traffic by changing
it/them to another ip.
Best approach is to made the service accessible under same ip and
play with ip address(es) of the old server(s) acting as backends.
M.
--
Mirosław "Psyborg" Jaworski
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