Email Relay

I am in the process of getting rid of my Exchange server to move to a Cloud base solution for Exchange.
Down side of this my Exchange server is also used as a mail relay other Web applications that send out email notifications wit in my company. Now I am looking for a way to still pass email, what I was thinking is to take one of my Windows 2003 servers and configure it to serve as a Relay server. Do you think this would be the best solution?

Thank You

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If you are relaying to users within your organization wouldn't you want to pass those on to your hosted Exchange server?  You should be able to provide your vendor a list of "allowed relays" that you will configure for a smarthost (your hosted solution).  I do not see a need for an internal relay if the mail is ultimately going to go through your hosted exchange server.  

If you are talking about maybe setting up an internal SMTP server to be the internal email server you will probably have to reconfigure all your applications to send mail to that server.  Might as well keep exchange internal and not host it in the cloud.

Just my 2 cents...

ahmad1467Author Commented:
Yes I will need to setup an SMTP internal server to send email to external users, for example a customer places an order within the ordering system and the system sends an email to the user to let them know the order is ready. When setting up one of my ordering system it asks for the IP address for my mail server and I used the IP of the Exchange server. The new provider for email only allows mail relaying if you have a use account on the server. As for not going to the Cloud I’m being forced to use the Cloud
Leon FesterSenior Solutions ArchitectCommented:
You can configure a secure SMTP server on IIS and the configure the smarthost options to point to your exchange server in the cloud.

here's a basic how-to to configure your smart host.

You will need to access the "Delivery" tab to setup the "outbound security" where you can then enter the username/password for your Cloud based server.

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