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How do I host Exchange 2010 to my external customers

I have an Exchange 2010 server and would like to host my customer's mail on my server.  I'm okay with adding another domain to my exchange server but I was wondering if there's a list of steps out there that someone has composed.  I don't want to reinvent the wheel on something that seems to be done routinely.

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1 Solution
You should not provide hosted exchange on a conventional installed exchange, especially your own,
refer to this:
Hendrik WieseInformation Security ManagerCommented:
This is fairly simple, as long as you have auto discover setup, you can simply create a new accepted domain and then create the MX record to point to your server and that is about it. I am currently on my mobile so I cannot send you link with instructions at the moment. But will do as soon as I am behind my laptop again.

If indeed you do want to do it with your own server , make sure the following is set:
-Configure Outlook anywhere on exchange
-Confgure autodiscover A record on your external DNS server
-Generate a certificate request for a SAN/UCC OR Wildcard certificate containing these hostnames:
*mail.yourdomain.com (mail is whatever you use for your OWA/MX record)

-Then you need to have all your clients create an SRV record in THEIR dns zone looking like this:
Service: _autodiscover
Protocol: _tcp
Port Number: 443
Host: mail.yourdomain.com (again mail is what you have as MX/OWA)

Then optionally hide the users from the GAL , otherwise different clients will see eachother in the list...
kucelkjAuthor Commented:
This is exactly what I was looking for.  Thanks so much!!!!!!

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