Fwd: Re: [ietf-dkim] Base issue: multiple linked signatures

2007-01-03 Thread Charles Lindsey
On Tue, 02 Jan 2007 18:11:06 -, Douglas Otis <[EMAIL PROTECTED]> wrote: It may prove a mistake mandating the signing of the From header once internationalization becomes common. The From header mandate supports a highly dubious anti-spoofing effort based upon visual recognition. A fa

Re: Fwd: Re: [ietf-dkim] Base issue: multiple linked signatures

2007-01-03 Thread Hector Santos
Charles Lindsey wrote: On Tue, 02 Jan 2007 18:11:06 -, Douglas Otis <[EMAIL PROTECTED]> wrote: I agree. An unsigned From is a cause for suspicion, but there may sometimes be valid resons, which the verifier should be allowed to consider. For example, in EAI the From may get downgraded duri