Re: CONPERM/CONNEG

Dave,

Here is my personal opinion.

> >         Title           : SMTP Service Extension for Fax Content Negotiation
> >         Author(s)       : K. Toyoda, D. Crocker
> >         Filename        : draft-ietf-fax-esmtp-conneg-04.txt

Regarding the request for relay and multi-recipient,
it seems to be well considered, but,,,

> However there is an important question about the complexity of
> implementing this specification.  Anyone who thinks they might build
> this should give the group some comments about the feasibility of this
> specification.

Yes, very complex.
This might be one of methods that are satisfying to mail experts.
How about cc'ing to ietf-smtp ML?
Is it good or bad now?
     
Questions.
I do not know well what contents are transmitted
when SMTP Relay server converts images.
Does it transmit Content-Converted header and
converted images in the same MIME part?
What if the conversion happens several times?
The header is over-written?
Several "Old" and "New" fields exists?

There are things that I do not understand well.
When I have more time, I read again.

I think Appendix A, which is the original proposal,
should go to the main body, taking the section 8 or 9.
It is easier to implement than the relay-case.

Regards,
--
Hiroshi Tamura