Hi,
We are looking for a solution to relay 5,000,000 emails to external clients like gmail, hotmail in a day. I need to know if install Exchange Edge Transport server 2010 or 2013 in a workgroup environment as smtp relay will it fulfill my requirements? And what will be the hardware and bandwidth requirements for that? We are already running Exchange 2010 in our environment but I dont want to use them for external relay.