Setting up Exchange to just be a SMTP server

Posted on 2008-02-04
Medium Priority
Last Modified: 2010-04-18
We have recently outsourced out email to on Internet Service provider.
We connect with HTTP over RPC to the exchange server.

We have some applications that need to relay email via SMTP.
The ISP does not have a SMTP server for us to relay through.

How can I setup our old exchange 2003 to be used as just a SMTP server, that does not require authentication to relay emails?
Question by:bax2000
  • 2

Expert Comment

ID: 20813573
If you want that certain applications should be able to relay through your Exchange Server then you would need to add that server's IP address into the Default SMTP Virtual Server>Access>Relay>Add the IP into the list and then that all you would need to do from the Exchange server perspective.
LVL 28

Expert Comment

ID: 20814031
Just use it as you did before the outsorcing. Add your internal IP addresses to the virtual SMTP server (Properties->Access tab->Relay restrictions). Then you won't need to authenticate

Author Comment

ID: 20821427
Where do I find the virtual SMTP server?

Let me also elaborate on the problem here.
We had our email addresses as (lets call it) company.com on a local exchange server that is intergarted into our domain. We have now moved the email hosting offsite to an internet service provider.
I have removed all mailboxed from the local exchange server, but I think it set to think that the company.com email addresses are controlled by that exchange server. I have tried sending a test mail to an address in company.com and relay it via the exchange server, but it comes back failed.

I need to configure exchange to only be an SMTP server.

Accepted Solution

bax2000 earned 0 total points
ID: 20865939
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