nisse@lysator.liu.se (Niels Möller) wrote 06 Oct 2004 17:35:43 +0200:
| > The XHASHCASHADVISE extension will then have to move to MAIL FROM. | | Perhaps it is better to make it a command than a parameter? | | Anyway, it has to include the intended recipient (a little redundant | with RCPT) in order to let the server give useful advice.
C: MAIL FROM: alice@frotz.foo XHASHCASH-WANNA-PAY-FOR bob@bletch.bar S: 311-Expecting hash cash or authentication with key 311-<4711> 311 <1897> C: XHASHCASHCHALLENGE method-foo,method-bar S: 250 method-bar hashcash-challenge C: XHASHCASHRESPONSE method-bar hashcash-response S: 250 Ok C: RCPT TO: bob@bletch.bar S: 250 Ok
or, as a separate command
C: MAIL FROM: alice@frotz.foo S: 250 Ok C: XHASHCASH-HOW-MUCH-IS-A-STAMP-FOR bob@bletch.bar S: 311-Expecting hash cash or authentication with key 311-<4711> 311 <1897> C: XHASHCASHCHALLENGE method-foo,method-bar S: 250 method-bar hashcash-challenge C: XHASHCASHRESPONSE method-bar hashcash-response S: 250 Ok C: RCPT TO: bob@bletch.bar S: 250 Ok
| What do you think about a RL (real-life) meeting soon? I think we have
I think that would be good. Is Stockholm fine with you? I'm afraid it can't happen very soon, Stockholm or not.
Earliest opportunity for me would be daytime next wednesday (2004-10-13). Earliest non-daytime would be 18th, 19th or 20th of October. :(
| a bunch of issues to discuss, including | | * protocol details
Have you had any luck finding someone with a bit more knowledge about SMTP?
| * forwarding
I guess we'll have to include relaying here as well.
| * if keys should be per user or per mta.
What are the arguments against per user keys?