Glenn Parsons (gparsons@nortelnetworks.com)
Thu, 21 Jun 2001 18:04:12 -0400
I think I would side with your original assessment that this is orthogonal.
..and Jutta makes a good case for that.
Should I consider this closed?
Glenn.
> ----------
> From: Jutta Degener
> Sent: Tuesday, June 12, 2001 5:54 pm
> To: Vaudreuil, Greg M (Greg)
> Cc: 'IETF VPIM List'; 'Ned Freed'; 'paf@cisco.com'; 'John W. Noerenberg'
> Subject: Re: [VPIM] WG Last Call on Message Context & Critical
> Content
>
> [Greg V. wants to make DSN/MDN a Message-Context]
> > My initial thought was that DSN is orthogonal to context, that is, a
> message
> > may be both a failure and a pager message, but upon further reflection,
> I
> > believe a failure is a context in and of itself, sent in response to a
> > message of any context, and treated primarily as a failure, not as a
> message
> > in the original context.
>
> My knee-jerk reaction is to disagree; I think that on an abstract
> application
> level, a failure is primarily an attribute of the message that failed.
> (It is
> not a "fax message" because a fax message failed, but it is the negative
> confirmation coming out of your fax machine, or a voice announcement after
> the voice mail you sent bounced, or ...)
>
> Two other arguments against:
>
> * The current draft begins:
>
> > This document describes a mechanism to allow senders of an Internet
> > mail message to convey the message's contextual information. Taking
> > account of this information, the receiving user agent (UA) can make
> > decisions that improve message presentation for the user in the
> > context the sender and receiver expects.
>
> MDNs and DSNs are usually not sent by a human sender. There are no
> expectations. There's just an e-mail system that can't deliver an
> email message.
>
> * MDNs and DSNs are already completely and reliably distinguishable by
> Content-Type. This mechanism would be at best superfluous.
>
> If there is a need to change things, I would prefer to change the draft
> to more strongly point out that the Context's aim is _not_ to tag _all_
> possible e-mail messages with the expectations of their human sender,
> but to merely express those expectations where they obviously exist.
>
> Jutta
>
>
>
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