Re: MTS transparency and anonymity

Bruce Lilly wrote:

> We discussed syntax options months ago, and your earlier
> message prompted a detailed analysis of issues (it was
> clear that an empty literal wasn't permitted by 822

If that's clear then it's not in the domain-literal syntax:

   domain-literal =  "[" *(dtext / quoted-pair) "]"

Of course (2)821 doesn't need to waste time with explanations
how mail is "sent" to or from empty domain-literals, but STD
11 has e.g. route = 1#("@" domain) ":", so it's not that
there was no alternative to using *(dtext /  quoted-pair) in
the domain-literal syntax.

The semantics later says "its contents must conform with the
needs of the sub-domain in which it is interpreted".  If @[]
is interpreted as "nowhere", then that's fine.

> simply making the From field optional

Your "updates RfC" section could be a new record.  Bye, Frank