----- Original Message ----- > From: "Murray S. Kucherawy" <[email protected]> > To: "Franck Martin" <[email protected]> > Cc: [email protected] > 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:[email protected]] > > Sent: Monday, April 04, 2011 1:13 PM > > To: Murray S. Kucherawy > > Cc: [email protected] > > 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> _______________________________________________ NOTE WELL: This list operates according to http://mipassoc.org/dkim/ietf-list-rules.html
