On 6/5/02 2:03 PM, "Warren Michelsen" <[EMAIL PROTECTED]> wrote:
>> Set up accounts on the new server.
>>
>> Then make sure that they are consistently using something like
>> "mail.lawfirm.com" for pop and smtp.
>>
>> Set up backup MX records. I would set your new mail server to be the backup
>> for the lawdomain. Then when you switch any servers that have the old data
>> cached will also know the mx address of your new server and will try it.
>> Then after the switch take out the mx record for the old server and have
>> "mail.lawfirm.com" point to your mail server.
>
> Hadn't thought of that. (Which is why I thought I'd ask.)
>
> Of course, both this and the previously-mentioned setting of TTLs to a low
> value all depend on the cooperation of the existing host. If she turns out to
> have a mean streak, she could actually set TTLs very high just to ensure that
> the transition does not go well.
>
> Against that contingency, what can I do?
TTL is set on the authoritative name servers. If you have access to the
domain registry, you could take over DNS ASAP, copying the existing zone.
Then, you have greater control over when changes are made & what they are.
Depending upon circumstances, you might lose the element of surprise,
however. (If she doesn't know the switch is going to happen, yet.)
HTH,
Tim
--
Programmers do their work but once, while users are saddled with it ever
thereafter.
-- Jef Raskin, the originator of the Macintosh
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