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Date:         Mon, 27 Jul 1992 20:58:00 EST
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From:         nauen@WRAIR-EMH1.ARMY.MIL
Subject:      Re: Verifying BITNET Addresses
Comments: To: tyen <tyen@cs.utexas.edu>
Comments: cc: info-nets <info-nets@Think.COM>

tyen@cs.utexas.edu (Anthony Yen) writes:

> I would like information on verifying a BITNET email address that I
> suspect is non-existent, but cannot prove.  . . .  I'm no sendmail
> whiz by a long shot, so the following bounce responses have got me
> confused:
>
> Batch SMTP transaction log follows:
>
> 220 RICEVM1.RICE.EDU Columbia MAILER R2.08 R208004 BSMTP service ready.
> 050 HELO RICEVM1
> 250 RICEVM1.RICE.EDU Hello RICEVM1
> 050 MAIL FROM:<@ricevm1.rice.edu:tyen@mundo.eco.utexas.edu>
> 250 <@ricevm1.rice.edu:tyen@mundo.eco.utexas.edu>... sender OK.
> 050 RCPT TO:<postmaster@ldc51.bitnet>
> 550 Mailbox not found.
> 050 DATA
> 354 Start mail input.  End with <crlf>.<crlf>
> 050 QUIT
> 221 RICEVM1.RICE.EDU Columbia MAILER BSMTP service done.
>
> The actual address I'm trying to send to is:
>
> 	roos%ldc51.bitnet@ricevm1.rice.edu
>
> My guess from the above transaction messages is that the userid is
> incorrect, but I also suspect the actual site name is wrong.  What I
> would like to do is somehow verify if the LDC51.BITNET site exists,
> and find a canonical userid at that site that I can send test messages

I could be wrong, but it seems to me that RICEVM1 could not really say,
during a BSMTP session, whether or not a userid at another node was
correct, so I would infer that "Mailbox not found" has to do with ldc51.

As others have commented, there are various ways to verify this node name.
However, if you want to find out what happened to your addressee, a search
for other occurrences of the string 'ldc' shows possible places to ask
on both BITNET and Internet.  An inquiry to postmaster@ldc.lu.se might
prove worthwhile.

Ric <nauen@wrair-emh1.army.mil>  <nauen%wrmain.decnet@detrick-emh1.army.mil>
           ^^^^^Walter Reed Army Institute of Research
        U.S. Army Medical Research and Development Command

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

% BITNET NODELST
Node Node     Connected             Remarks                  Sys   Last
 Nr  Name        Via                                         Type  Update
____ ________ ________  ____________________________________ _____ _____
0804 SELDC52  SEJNET    University of Lund, Computing Cen,SE JNET  REP 19900606

@ Machines on both networks
 BITNET  Internet
  Node     Host
 ^^^^^^  ^^^^^^^^
SELDC52  GEMINI.LDC.LU.SE

# DoD Network Table
-Net name-      -Net number-
lu-ldc-net      192.36.134

Whois: net 192.36.134
Swedish Network (NET-LU-LDC-NET)
   Lund University
   Computing Center
   Box 783
   S-220 07 Lund
   SWEDEN
   Netname: LU-LDC-NET
   Netnumber: 192.36.134.0
   Coordinator:
      Engvald, Jan  (JE87)  xjeldc@LDC.LU.SE      +46 46 107458
   Record last updated on 03-Jan-91.
Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU