Barry Leiba wrote: > Actually responding to the thread this time, as a participant... > > >>>> It's not confusing if the meaning is related. The term "user or >>>> agent" is the actual semantics of this value. I read that as >>>> equivalent to "user agent". >>>> >>> It's not. A user agent is an application that acts on behalf of the >>> user but is not the user. >>> >> UAID is an identifier. In computing contexts such as DKIM, all identifiers >> refer to machine-based entities, possibly ones that are representing humans. >> > > The only concern I have here is that because "user agent" has a > specific connotation, there could be confusion about what happens to > it when a user uses more than one UA. Suppose I use Gmail's web > client, Mulberry, Apple Mail, and Thunderbird, all at different times, > and all sending mail as <barryle...@computer.org> through Gmail's > email infrastructure. (In fact, that *is* the case.) Should the UAID > that Gmail sticks in the signature always be the same, because it's > just me, using these client programs interchangably? Should it be > different for all of them, because they're all different UAs? Should > the webmail version use one UAID, and the others use another, because > there are only two submission mechanisms involved (web vs SMTP to port > 587)? > > I can see that someone implementing or configuring a system wouldn't > be sure how to set this up, and at least part of the confusion would > be due to interpretation of "user agent". >
I share this concern, because I use at least three MUAs (at Cisco, that is...more at home). We don't want to give the impression that the choice of MUA is necessarily reflected in the i= value. > I also agree that we should spend too long on this point... again, > speaking as a participant. > Yes, by all means let's spend too long on this! :-) -Jim _______________________________________________ NOTE WELL: This list operates according to http://mipassoc.org/dkim/ietf-list-rules.html