Matt Crawford writes: > If you think of POW as a possible SPAM mitigation, how does the first > receiving MTA assure the next MTA in line that a message was "paid > for?" Certainly the mail relay doesn't want to do new work, but the > second MTA doesn't know that the first isn't a spambot.
The first MTA would exchange the received RPOW for a new one of equal value, and pass it along with the message to the next MTA in line. Hal --------------------------------------------------------------------- The Cryptography Mailing List Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED]
