Re: Attacking Domain Keys

I wrote:

> Most probably all Yahoo mail that went through a mailing list has an
> invalid Yahoo DK signature. So what is the use of checking the signature?
Theo answered:

> Not all mail... Only mailing lists that change the message cause this
> problem -- like this list.
Therefore I wrote "Most probably all" instead of "all".

> Forwarders modify the message?  If they do, they should certainly claim
> responsibility over the return path.
DomainKeys has nothing to do with the return-path.

Roger