Found another fragile white male . Biggest pussies on Earth . <| sep |> This actually cross references wikileaks rather than providing any real info . This is why you always need to go back to the source and discover the problem with going beyond the header field as you would see from looking at the main RFC , . The example given by WL shows a signature forThe issue is that signing a message text is not an easy problem because it will get mangled as it passes through an SMTP based email system which essentially is targeted towards ASCII streams . DKIM was not intended for nonrepudiation , rather to ensure a domain quoted is real and not being used as source of spam or phishing . See section 5 . 5 of the RF for further details . The problem is that any text passing through a hashing system has to pass a normalisation process first which converts the text into a form that won ' t be touched by SMTP .