I disagree. Anything that improves the 'this is not spam' rating is helpful even incrementally. Then once all the email clients support it it's a huge win. Comb

I disagree. Anything that improves the 'this is not spam' rating is helpful even incrementally. Then once all the email clients support it it's a huge win. Combine that with proper digital envelops (i.e. encrypt all email), and we might finally have a proper email system.