The attack that I believe fwip is concerned about is: Alice sends an email to Bob and clearsigns the message. Bob, or anyone else who intercepts the email is n

The attack that I believe fwip is concerned about is: Alice sends an email to Bob and clearsigns the message. Bob, or anyone else who intercepts the email is now able to paste that message into the form and remove Alice's key from the keyserver. This could be mitigated by requiring it to be a specific message.