On Monday, August 09, 2010 05:22:35 pm Steve Atkins wrote: > On Aug 9, 2010, at 1:26 PM, Scott Kitterman wrote: > > On Monday, August 09, 2010 04:11:57 pm John R. Levine wrote: > >>> Why do you simplify handling of list mail to sorting and filtering, > >>> ignoring two other important list handling activities: > >>> > >>> 1. reading mail > >>> 2. responding to mail > >> > >> Well, OK. Can you offer some non-hypothetical situations where you > >> would read or respond to list mail differently if there were extra > >> assurance on identity of the list contributor? > >> > >> Or to put it another way, if someone has put an S/MIME signature on a > >> messsage sent through a list, does that affect the way you respond? > > > > It's not at all clear to me that the answer to that question is in any > > way related to the work of the working group. What would we design > > differently if the answer was yes (or no)? > > If a recipients handling of an inbound email from a mailing list varies > depending on whether you can authenticate the original author (the > > >From field) or not, then there may be some value in helping mailing > > lists tunnel authentication through in a way that allows you to > authenticate the original author. > > If it doesn't, there isn't. > > If none of the members of this list would handle an inbound email from > a mailing list depending on whether they can authenticate the original > author or not, nor point at a concrete example of people ding so, that > would suggest it's not a common requirement. Which would suggest it's > not worth considering how to support it for DKIM, which seems to be at > least tangentially related to what we're doing here.
This assumes mail from MLMs is treated differently than other mail. While individual users may (and probably do) treat it differently, receivers of non- trivial scale don't and can't. Scott K _______________________________________________ NOTE WELL: This list operates according to http://mipassoc.org/dkim/ietf-list-rules.html
