Re: [ietf-dkim] Proposal: Removal of AUID (i= tag/value)

----- Original Message -----
> From: "Murray S. Kucherawy" <msk(_at_)cloudmark(_dot_)com>
> To: "Franck Martin" <franck(_at_)genius(_dot_)com>
> Cc: ietf-dkim(_at_)mipassoc(_dot_)org
> Sent: Tuesday, 5 April, 2011 8:30:35 AM
> Subject: RE: [ietf-dkim] Proposal: Removal of AUID (i= tag/value)
> > -----Original Message-----
> > From: Franck Martin [mailto:franck(_at_)genius(_dot_)com]
> > Sent: Monday, April 04, 2011 1:13 PM
> > To: Murray S. Kucherawy
> > Cc: ietf-dkim(_at_)mipassoc(_dot_)org
> > Subject: Re: [ietf-dkim] Proposal: Removal of AUID (i= tag/value)
> >
> > the question is:
> > What are the domains that use a sub-domain for d= ?
> >
> > for gTLDs, what are the instances of d= where there are 3 levels in
> > the
> > domain where the 2nd and 1st level is identical.
> >
> > eg:
> > d=mail1.example.com
> > d=mail2.example.com
> > d=mail3.example.com
> >
> > We could infer that example.com use different mail streams as they
> > use
> > different sub-domains to sign their emails
> >
> > for ccTLDs, in general you need to go one level deeper
> >
> > eg:
> > d=mail1.example.com.au
> > d=mail2.example.com.au
> > d=mail3.example.com.au
> So for the 3.5M signatures we've seen, compare each of them to all of
> the other ones to see if one is X.<domain> while the other is just
> <domain>?
or Y.<domain>
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