Spam vs. CO2

Some are discussing CO2-free email services, means they'd like to power their servers with electricity from regenerative sources. The goal is to bring this to market as a product called "green email" or similar. But can an email be CO2-free at all? It's not only the mail server of the sender but also that of the recipient plus dozens of relays, routers, switches and other systems in between. They all would have to be powered by regenerative sources - a very ambitious aim.

But there's another aim in this. Reducing greenhouse gas emissions by changes in the email system is possible - by reducing spam. Latest articles are saying that about 90% of all emails sent world wide are unwanted, mostly spam. So here lies a big potential of saving resources. Fight spam and save the world a little bit.

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