My friend has a very small office setup, doesn’t have a server but he has a network printer with a feature to "scan to e-mail". To use this feature you need to configure an SMTP gateway address on the device.
Now, since he does not have a mail server in his office I was thinking of configuring my Exchange 2010 so that he can configure the printer to use my mail server as a gateway.
What do I need to configure on my Exchange in order for him to use it as an SMTP gateway?
Simple steps would be much appreciated.
To enable this, you would first need network (internet/LAN or other connectivity method) to connect your exchange server and your friend's office network.
Then you just need to allow the IP of frined's printer to allow him to relay (please keep it in mind if his outgoing email domain name is different than yours, your ISP may block your access as it is know as spamming).
The best way is, install IIS 7 on some workstation in your frined's office which will allow to send email out. http://technet.microsoft.com/en-us/library/cc772058(v=ws.10).aspx