At 11:03 AM -0700 6/5/02, Warren Michelsen wrote:
>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?

If you're worried that she will be deliberately mean, or if your worried that the 
ISP/Verisign combination will result in the typical disaster, then you need to think 
defensively:

If you have the cooperation of your users, but not the of prior mail host, set up a 
new name you have control over such as:

    lawfirm.MDCCLXXVI.com

as an alias to the existing mail.lawfirm.com server.  Then have all the important 
users set their mail client to use your new name (they can still keep up appearances 
to their customers by setting a "reply-to" address from their normal [EMAIL PROTECTED] 
address).

You can control the mail.MDCCLXXVI.com for a smooth changeover, and once the old host 
has irrevocably made the DNS changes and propagated them you can have customers switch 
back or not as they choose.


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