"And you’re being a conservationist this way. Our precious digital resources will be preserved. Countless bits will be saved. This is one small step for a susta

"And you’re being a conservationist this way. Our precious digital resources will be preserved. Countless bits will be saved. This is one small step for a sustainable Internet." The author should take a look at the header that come attached to each email message, with its dozens of lines: From,To, Date, Delivery, DKIM, DomainKey, Spam status/score/etc , MIME, Reply-To, Subject, Encoding, etc.