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Eric Thomas <ERIC@LEPICS>
Fri, 20 Oct 89 14:58:33 GMT
text/plain (54 lines)
When LISTSERV sends a file to the mailer with 'To: JOE@RIGEL', the mailer
sends the  file to [log in to unmask]  This is  a fact, and  it is
this way because (a) the mailer is  sitting in the local domain for local
reasons which are  so important that usually the site  would rather leave
BITNET than change this, (b) the mailer doesn't support the specification
of the fact that  a particular virtual machine of the  node is sitting in
another domain,  and (c) you can  have only one trusted  mailer per node.
So, *today*, the  situation is that a file distributed  to JOE@HUNTER may
or may not be delivered, depending on the particular path chosen by DIST2
for this  particular list, and there  is nothing that the  Princeton (for
this particular example)  folks can do about it *today*.  Maybe in mailer
2.14 there  will be some new  function that could solve  the problem, but
mailer 2.14 isn't out yet.
 
Furthermore,  it  is generally  good  practice  to always  fully  qualify
addresses. This removes  ambiguities when going through  mail gateways or
mailers serving people on several  domains, and introduces no problem for
the end-user other than the visual inconvenience of the ugly '.BITNET'.
 
What about the  receiving end? I don't  know, ask people who  have such a
LAN. What is sure is that if  people from the local HUNTER subscribe to a
BITNET list, they will be recorded as HUNTER.PRINCETON.EDU and there will
be no problem. I don't know about PUCC lists.
 
But with the way  LANs are set, it is very likely  that this local HUNTER
node is a small machine, maybe a  PC or a workstation. The BITNET node by
the  same name  is probably  more important  in size,  and its  users can
reasonably expect that,  if they subscribe to a list,  they will get mail
from that list. If that's not the case because of DIST2, people will have
to stop using DIST2. On the other  hand, if the users of the local HUNTER
node  cannot get  on a  list  on the  PUCC  machine (and  *only* on  that
machine)  because  they are  registered  as  'HUNTER' without  explicitly
domain form,  they can always give  a phone call to  their local LISTSERV
administrator   and  ask   him  to   register  them   with  an   explicit
HUNTER.PRINCETON.EDU, and then it will work.  The amount of extra work on
the postmaster will eventually cause him  to find a local solution to the
problem.
 
In any  case we're talking  about whether it's  better to create  a local
problem for a few LAN machines at a few sites, or a netwide problem for a
few BITNET  machines which become effectively  cut off the network.  I am
responsible for making the software work for standard BITNET nodes, if it
creates problems  for nodes with  an ambiguous  setup, it's no  longer my
problem.
 
>Why needs mail to JOEUSER@RIGEL be qualified while files need not ???
 
Christian, be reasonable. You know very  well that there is no such thing
as a  domain when sending  to RSCS, which is  why RSCS addresses  are not
"qualified". And there  is no RSCS gateway to complain  about this either
:-)
 
  Eric

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