> Last step is to add something to DNS so anyone could see whether a > domain mandates this technique.
There's a very similar discussion going on on the ansti-spam research group @ietf about this kind of thing, extending DDNS to provide added verification capability for mail addresses. I believe that one suggestion is to sign a digest of the message, leaving the message body unaltered while still allowing effective validation. d. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
