Re: Gmail (thus Nanog) rejecting ipv6 email

["John Levine" <johnl () iecc com>]

It appears that Michael Thomas <mike () mtcc com> said:
> > ARC lets the recipient system look back and do what we might call
> > retroactive filtering, using info about messages as they arrived at
> > the previous forwarder. While it would be nice if lists did a better
> > job of spam filtering, they don't, and ARC is a reasonable remedy for
> > that.
>
> I'll be eager to see the papers substantiating this. Until then I remain 
> completely skeptical. It's an experimental RFC for a reason. Let's see 
> the data.
>
> I'd also like to see a paper substantiating your claim that mailing 
> lists do a bad job of spam filtering. In my experience it is a non-problem.

People from Google have told me that is the specific reason that they
need all the complexity of ARC rather than just whitelisting mailing
lists. If you think they're lying, or you know more about their mail
stream than they do, not much we can do about that.

R's,
John