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From: CDC-DDN@DDN3.ARPA
Newsgroups: comp.protocols.tcp-ip
Subject: SMTP host number notation
Message-ID: <8707301841.AA20785@ucbvax.Berkeley.EDU>
Date: Thu, 30-Jul-87 14:19:00 EDT
Article-I.D.: ucbvax.8707301841.AA20785
Posted: Thu Jul 30 14:19:00 1987
Date-Received: Sat, 1-Aug-87 10:09:30 EDT
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Distribution: world
Organization: The ARPA Internet
Lines: 15


  
SMTP RFC-821 defines a 'host number' that supplements the regular domain
name and internet address notation.  For example, PERSON @ #354.  (refer
to page 30 in the syntax for <element>, and to page 31 in the last
paragraph.)
  
Does anyone know what this #host number is and where it comes from?  Is
this a feature that is normally expected to be implemented in SMTP, or is
it a left-over from years past (NCP?).  Any pointers will be appreciated.
  

Mike Sanders

CDC-DDN @ DDN3.ARPA