[ietf-dkim] Are lookalike domains like parent domains?

[Pasi.Eronen at nokia.com]

John Levine wrote:

> > Assume, say, one million people who regularly receive valid emails
> > from their bank (info at accounts.bigbank.com). If they received an
> > email from info at mail.account.bigbank.com, how many of them would
> > believe the email is really from the bank?
> 
> Well, now we have another question -- who's going to be using ADSP,
> mail system operators or end users?  It's always been my impression
> that the main audience is MTA operators, who will use it in
> filtering decisions.

I think I agree with you here. I was just trying to give an example
why BigBank would like to publish ADSP records that cause MTA
operators to treat mails from info at mail.account.bigbank.com as
"suspicious" (or something).

Best regards, 
Pasi