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From: MAP@LCS.MIT.EDU (Michael A. Patton)
Newsgroups: comp.protocols.tcp-ip
Subject: SEND et al in the SMTP mail spec
Message-ID: <9105011823.AA22688@gaak.LCS.MIT.EDU>
Date: 1 May 91 18:23:30 GMT
References: <673092487.957565.VANCE@TGV.COM>
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The Internet
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   Date: Wed,  1 May 1991 03:08:07 -0700 (PDT)
   From: VANCE@tgv.com (Icarus)

   A question.  What should an SMTP server that supports the SEND/SAML/SOML do
   if RCPT TO: specifies a non-local user?

The ITS mailer will forward as requested and use the SEND/SAML/SOML on
the next hop as well.  This was used to support interactive messaging
between Chaos only and IP only hosts.  It will even drop SOML back to
MAIL if the next hop says "Not supported", it will bounce a SEND, I'm
not sure about SAML, probably will MAIL and bounce the SEND half.

            __
  /|  /|  /|  \         Michael A. Patton, Network Manager
 / | / | /_|__/         Laboratory for Computer Science
/  |/  |/  |atton       Massachusetts Institute of Technology

Disclaimer: The opinions expressed above are a figment of the phosphor
on your screen and do not represent the views of MIT, LCS, or MAP. :-)