On Fri, Nov 22, 2002 at 10:32:22AM +0100, Josselin Mouette wrote: > That's why I suggest using either a challenge/response authentification > (if the mail is lost, you have to ask for a new challenge and the > previous mail won't be accepted if it is delayed), or one-time passwords > (every time you use a OTP, all previous passwords are revoked).
Presumably you would have to send 1 E-Mail (challange), wait for the response, and then send the next E-Mail. The could remarkably slow the process down for slow batched based E-Mail systems. (it would appear to be a tradeoff of functionality/efficiency vs security). -- Brian May <[EMAIL PROTECTED]>
