I believe op is asking what is the "total" the cost of the internet infrastructure (so power, hw, administration, etc). most of the replies here are approachin

I believe op is asking what is the "total" the cost of the internet infrastructure (so power, hw, administration, etc). most of the replies here are approaching the question from the view of the sender's host point of view ignoring the server cost of the destination and the middle servers (??-- actually I don't know if the emails are still doing "hops" and using middle servers!?) the calculation is even more difficult to be replied because different currencies and economies are being involved yo, kose