[ietf-dkim] ADSP and Discardable (was Re: Lists "BCP" draft review)
jdfalk-lists at cybernothing.org
Wed Jun 2 14:43:26 PDT 2010
On Jun 2, 2010, at 10:55 AM, John R. Levine wrote:
>> My guess is that the phrase "the domain encourages the recipient(s) to
>> discard it" is intended to refer to a silent discard.
> I don't think any of us expected the recipient to send a notification. I
> certainly didn't, since the assumption would be that the message was
> probably from a hostile sender.
Also, there's documented precedent within the IETF. RFC 863 has a clear definition: "A discard service simply throws away any data it receives." RFC 5321 (and 2821, and 821) applied that definition to email, with specifics for programmers:
> 2.3.6. Buffer and State Table
> SMTP sessions are stateful, with both parties carefully maintaining a
> common view of the current state. In this document, we model this
> state by a virtual "buffer" and a "state table" on the server that
> may be used by the client to, for example, "clear the buffer" or
> "reset the state table", causing the information in the buffer to be
> discarded and the state to be returned to some previous state.
5321 uses "discard" or "discarded" in other places, too.
J.D. Falk <jdfalk at returnpath.net>
Return Path Inc
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