Hi,
Hopefully this will be an easy question for someone. We have Office 365 and are quite happy with it.
When we first moved to Office 365 Microsoft gave me a product key so we can install Exchange 2010 on premise and use it as an SMTP relay. No databases, mailboxes etc are on this Exchange instance its purely used as a relay to office 365.
My question is do I need a licence to do exactly the same with Exchange 2013 if i'm only going to use it as an SMTP relay and nothing else?
Cheers