[net.mail.headers] Return path and small machines

DBrown.TSDC@HI-MULTICS.ARPA (02/15/84)

  Well, it does look like something of an "envelope" issue.  On one of
the systems I'm familiar with there is a small host-table which takes a
fully specified domain name and returns a best way to get there. Since
the system in question only *has* about three ways of getting mail out,
it tends to be rather trivial.
  The envelope gets marked "send via HI-MULTICS.ARPA" most of the time,
and presumably the path it followed to get wherever it was goung
reflects this, despite the fact that my real address is "Dave
Brown"@CCSC-SDO.Minneapolis.Honeywell, and gets put in as "who I am".
  It strike me that the algorithm the oracle (which owns the host table)
was published here about six months ago.  By Bill Wells, maybe?
  In any case, it was and is a trivial name server, necessary and
sufficent to get a message out on the most suitable path to a particular
sub-domain.
  --dave
    DBrown.TSDC @ HI-MULTICS.ARPA
    watbun!drbrown @ watmath.UUCP
    "Dave Brown" @ CCSC-SDO.Minneapolis.Honeywell(. maybe ARPA someday)