[ietf-dkim] Is anyone using ADSP? - bit more data from the receiving side

[Murray S. Kucherawy]

> -----Original Message-----
> From: iane at sussex.ac.uk [mailto:iane at sussex.ac.uk]
> Sent: Wednesday, October 14, 2009 4:53 AM
> To: Murray S. Kucherawy; John R. Levine; Daniel Black
> Cc: ietf-dkim at mipassoc.org
> Subject: Re: [ietf-dkim] Is anyone using ADSP? - bit more data from the
> receiving side
> 
> > Another data point: Google Mail won't use ADSP because they will not
> > discard someone's mail outright without a written agreement from the
> > sending domain agreeing to same, absolving them of responsibility for
> > mail that never arrives.
> 
> You mean that they won't publish ADSP records? Or that they won't
> respect
> any ADSP records? Or that they won't discard "discardable" messages?

They won't honour ADSP "dkim=discardable" records posted by others.

> Logically, none of these things follow. Publishing ADSP records doesn't
> mean that Google will discard anything, though it does grant permission
> for
> others to do so. They have lots of other things that they can do as a
> result of ADSP fails. Presumably, they'd be more aggressive with
> quarantining mail if there's an ADSP record that renders a specific
> email
> discardable. Heck, they could even argue that publication of
> "dkim=discardable" does absolve them.

I'm only relaying what I was told at a conference.  You're free to contact them for an explanation beyond what I've said.