[ietf-dkim] detecting header mutations after signing
sx6un-fcsr7 at qmda.emu.st
Mon Oct 18 06:19:28 PDT 2010
On Mon, Oct 18, 2010 at 06:07:15AM -0700, Dave CROCKER allegedly wrote:
> On 10/18/2010 3:31 AM, Ian Eiloart wrote:
> > --On 15 October 2010 11:53:51 -0400 Dave CROCKER<dhc at dcrocker.net> wrote:
> >> On 10/15/2010 11:40 AM, Mark Delany wrote:
> >>> Well, if you want to introduce semantic changes why not just change
> >>> the meaning of h=from:to: to be semantically identical to
> >>> h=from:from:to:to:
> >> This would mean that it is /never/ ok to add a listed header field after
> >> signing. Adding would /always/ break the signature.
> > I assumed that the proposal applied only to headers rfc5322 says cannot be
> > duplicated.
> That is a constraint that was not stated.
It is now.
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