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dbautista

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Changing MX record

We currently have an outside company hosting our emails, we now want to move to our own exchange server. My question is: Is there a way to change MX record to point to our exchange server, and not have to wait for it to propagate thru the internet. I dont want my users with out emails for 24 hours. Can I use the same mx record that is there now but with my IP address that point to the exchange?
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btassure
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Do it at your lowest usage point of the night so the fewest people are affected
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There is no pop3 connector built into exchange2003 - you will need to buy one or get a dodgy freeware one
Sorry, did I suggest it was built in?  Considering you can get a "good" cheap one for less than $100, even if you only use it for 48 hours, that is just over $2 an hour to not have to worry about your users not getting mail.
Good point :o)
When a frugal scumbag like me suggests spending money, it is usually worth it ;)
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dbautista

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All of your suggestions are good, but can I add a new mx record pointing to my exchange with a lower priory leave the existing one wait 48 hours and then remove the one from my Email hosting company will this work with out downtime?
The new one will still have to propagate. Same problem :o(
Thank You guys, I guess the users have to deal with the downtime!