[ietf-dkim] more on discardable, was Lists "BCP" draft

[J.D. Falk]

On May 24, 2010, at 7:55 PM, Steve Atkins wrote:

> On May 24, 2010, at 6:38 PM, John Levine wrote:
> 
>>>> Refusing signups from those domains is probably a bit extreme, though.
>>> 
>>> What about a warning at signup time if a "discardable" ADSP record is
>>> found for the registrant's domain?
>> 
>> That doesn't help.  In the IETF's scenario, domain A sent mail which
>> was marked discardable to the list, and recipients at domain B were
>> rejecting it and the people at B got bounced off the list.  I'd have
>> to squint awfully hard to come up with an argument that it is wrong to
>> reject unsigned discardable mail at SMTP time.
> 
> I think that Murray was suggesting that in addition to rejecting all
> mail from domain A it would be polite to also warn anyone from
> domain A who subscribes to the list that their mail would be
> rejected (which seems good UX design to me).

Yup, I think this would be an appropriate addition to the BCP document.

--
J.D. Falk <jdfalk at returnpath.net>
Return Path Inc