Hantering av felaktig hash
linus at nordberg.se
Mon, 04 Oct 2004 16:23:34 +0200
email@example.com (Niels Möller) wrote
04 Oct 2004 16:16:16 +0200:
| Then the reply code for the RCPT can contain the definitive answer as
| to message acceptance.
I was erroneously thinking that the RCPT command contained hashcash
payment. Confused. Sorry.
| The sender (SMTP client) knows all needed data. It passes the message
| and MAC to the receiver (SMTP) server. The receiver can defer actual
| checking of the MAC until after DATA. If any MAC turns out to be
| incorrect, delivery fails (totally, for all recipients), and the reply
| code from DATA will say so.
Yes, failing *all* delivery if hashcash payment or authentication
fails for *any* recipient is a solution.