Hi Folks,
I've been leasing a host for a number of years - supporting mail
(sendmail, pop/imap), mailing lists (majordomo, wilma and associated tools
for web archiving), and web services for about a dozen virtual domains.
I'm about to move to a new machine, with a new range of IP addresses - and
I'm trying to figure out how to insulate my users from the transition.
I'll have about 10 days when both machines are running, and I have a good
handle on smooth web transitions - using redirects to shift all traffic to
the new site and then letting the DNS changes stabilize.
I don't have a good handle on how to handle a similar cutover for mail,
mailing lists, and archives - can anybody offer advice on:
- tricks on using sendmail.cf rules to do the equivalent of a web redirect
(i.e., setting up a rule to shift all traffic for a domain to a new host)
- a step by step sequence of events for cutting things over, along the
lines of:
-- a very short freeze on incoming mail
-- copying archives and such to the new machine
-- installing a set of redirect rules on the old machine
-- unfreezing mail reception
Thanks very much for any help you can offer.
Miles Fidelman
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Network Technology Corporation PO Box 600618
Miles R. Fidelman, President Newtonville, MA 02460-0006
mfidelman@ntcorp.com 617-558-3698
http://www.ntcorp.com fax: 617-630-8946
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