Exchange 2007 MX Backup

[Aten]

Hello,

I have a design question here with native mode exchange i.e 2003 you could
create an SMTP connector for another exchange server and an alternative MX
record with a higher cost thus if your primary exchange server failed emails
would start going to your secondary server at a different site and messages
would queue to the bridgehead until the mailbox server came back online the
question is how can this be achieved in Exchange 2007?

My understand is as long as you have another Hub Transport in say in your
Datacentre in the same Active Directory site this would be enough (Please
correct me if I am wrong)

I don't really have time to test this in my dev environment and would like
to hear from other Exchange MVP's, I also understand I could create an IIS
server and place it in my DMZ to achieve this and I do understand CCR / SCR I
have seen this question pop up a few times so would be nice to get an
official answer.

Many thanks for your time

[Ed Crowley [MVP]]

A better answer is to just deploy a Windows server with the SMTP service for
this instead of wasting an Exchange license. That way if Exchange is down,
the Windows server will collect mail until it is back up. Still nearly all
SMTP servers will hold retry sending mail for a day or three on their own
without you doing anything so you have time to fix your problem, so there's
no major need to create such a backup mail server.
--
Ed Crowley MVP
"There are seldom good technological solutions to behavioral problems."
.

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