X-Anonymousity: none Putting anonymity indications in message headers is a useful courtesy; it's not foolproof, since somebody can always go run their own remailer, but standardization would make it easier for most people to use them consistently from their mail/news readers. There are times when people really need to get rid of lots of anonymous messages, such as harassment or mailbombs or freaked-out gateways, basically for self-defense, and this will make it more convenient.