Sharepoint and Incoming email

I've got a domain,SBS 2003, etc set up and runing properly.  I've got a Sharepoint server set up as a member server for the same domain.  It has a public IP but no domain or subdomain set up just yet.  What I want to do is get it where it would receive email inside Sharepoint like it should.  Ideally a document library would be able to receive invoices from a vendor if necessary.

So my existing domain would be  The Sharepoint server name would be SP for example.  Can email forward from (Exchange server) to a FQDN and have SP receive email?

It's currently sending out through the internal IP of the SBS server.

Or would this be better to create a subdomain at the host and point it to the public IP of SP?  I don't have an email server set up on SP so that may not happen.  This is probably more simple than I'm making it out to be.

Any help would be appreciated.
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in order to receive Emails inside SP you need to install IIS SMTP component first. I recommend creating an own subdomain for your emails like and have the emails routed to your existing exchange server for proper scanning and mail handling and have exchange forward all emails for to your SharePoint Server.A good guide is here:

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thompsonwirelessAuthor Commented:
That looks like good info.  I'l check this out and post again here later.  Thank you.
thompsonwirelessAuthor Commented:
I got about half way through this and had to stop for a minute.  A day later I got a few NDRs where it showed the Sharepoint server saying the recipient didn't exist.  It shouldn't have been querying the SP server at all or trying to route through it, only send email there that was meant to go there and nowhere else.  I'll have to look at this another time when other things slow down.

Bookmarking this, thanks.
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