RE: AD review comments on

> > > As all machines that I am aware of support both POP3 or
> > > SMTP receive mode (though I have yet to see /know of
> > > an SMTP installation) perhaps making some of the
> > > service extensions valid only for SMTP mode installations?
> 
> > By implementing DSN and TIMELY from sender to receiver,
> > SMTP is finished.  Both DSN and TIMELY are specified by
> > other working groups (DSN has been around for a long
> > time, TIMELY is new).
> 
> I think you meant to say DSN and DELIVERBY, not TIMELY.

Yes, thanks for the correction.

-d