Keif Gwinn wrote:
> I'd get the DNS set on those domains down to a timeout of a minute a week
> or so before the change. It'll hammer your DNS for a bit, but come the
> changeover you can change all the mail server IP addresses and then set
> the time to live right back up again and you shouldn't loose mail.
Only one minute is a bit excessive. Setting it to ten or fifteen
minutes should result only one non-connect by anybody trying to
connect immediately after the changeover.
A week before might be excessive too. The maximum time a cached DNS
entry would normally be obsolete is the TTL plus the refresh interval.
--
[EMAIL PROTECTED]
"Hangers on though you be friends be more humble
when asking for seconds."
Katsuhito Masaki (Grandfather); Tenchi Muyo Episode 7
Please visit http://www.ipswitch.com/support/mailing-lists.html
to be removed from this list.
An Archive of this list is available at:
http://www.mail-archive.com/imail_forum%40list.ipswitch.com/
Please visit the Knowledge Base for answers to frequently asked
questions: http://www.ipswitch.com/support/IMail/
