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Configure SMTP server to do mail relay.


We install SMTP server on a Windows 2012 server to allow our Xerox copiers to scan documents and do mail relay.

We would like to specify a domain account in the copiers in order for them to use the mail relay service.  

I open up SMTP Virtual Server properties ACCESS tab, and uncheck Anonymous access.  And check Integrated Windows Authentication check box.

Am I doing it correctly?

Please advise.

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Distinguished Expert 2018

SMTP in IIS is really there for ASP developers (which is why it is a part of IIS and not a standalone service.) For copiers and MFPs, you should configure them to send to the destination mail server, not to relay through IIS. You'll kill performance and have an unnecessarily complex environment going the IIS route as it wasn't built for that purpose. It also provides no tangible benefit.
Senior Solution Architect
Most Valuable Expert 2015
Top Expert 2015
Yes the more appropriate way would be to have a receive connector setup on your Exchange environment and then allowing anonymous access to rely email but have it restricted to a specific IP address of the Printer.

Distinguished Expert 2018
I am not making the leap to assume that the OP insisting Exchange. But from exchange to Kerio, O365 to Google Apps, all have a way to configure receiving secure emails from MFPs.