SBS 2008 Install Requirement question: What SSL and domain services do I need?

We are installing a new Small Business Server 2008 into an office without any networking.  They already have an off-site hosted web page.  I am wondering do I need to get another domain registered for the Exchange piece, and outlook anywhere as well as the remote web workplace piece?   Or do I just need the SSL piece and not another domain registration?  

What would be easier?  If anyone has installed SBS 2008 into a site with an existing web page hosted off-site with a hosting service that has encountered this perhaps you could lend me your insight?

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Hypercat (Deb)Connect With a Mentor Commented:
You don't need necessarily to register a new domain name. If they are using email hosted by the company that is hosting their website, then what you would want to do is disable those externally hosted mailboxes when you have the Exchange server up and running. Other than that, you would need to have access to the publicly hosted DNS zone (probably hosted by their ISP or domain name registrar) so that you can add/change the host and MX records to point to the SBS server for email and remote web workplace access.
As far as an SSL certificate, you can use the self-signed certificate that is created when SBS is installed, or you can purchase a public SSL certificate. My preference is to purchase one, because you can sometimes run into problems with certain devices (like PDAs and smartphones) when you use a self-signed certificate. You can easily use GoDaddy, for example, to purchase a very reasonably priced SSL certificate for a small network.
You will need an addtional host name or A recored in the DNS. You will also need the certificate. But none of that matters if there is not networking. I do not understand that?

The standard web page can be host somewhere else no problem.
Just be sure and use the SBS Wizards to set everthing up.
Philip ElderConnect With a Mentor Technical Architect - HA/Compute/StorageCommented:
Here is our set up guide:

Here is a TechNet based guide:

If you own then you would do the following:
 + MX points to
 + DNS A --> IP of your Internet Gateway WAN port.

You could use a third party e-mail sanitation and continuity provider to help mitigate rogue SMTP connections to your Exchange. Doing so means your WAN IP never gets published to the Internet.

Philip ElderTechnical Architect - HA/Compute/StorageCommented:
You can accept our answers without need for community intervention.

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