Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!usc!sdsu!ucsd!brian From: brian@ucsd.Edu (Brian Kantor) Newsgroups: comp.protocols.tcp-ip Subject: Re: Host requirements and SMTP Message-ID: <10864@ucsd.Edu> Date: 7 Jan 90 06:29:05 GMT References: <24861.631484091@cs.nott.ac.uk> Reply-To: brian@ucsd.edu (Brian Kantor) Organization: The Avant-Garde of the Now, Ltd. Lines: 10 HELO is of use in an environment where the underlying transport does not provide a means for identifying the peer: i.e., it's not tcp/ip. I'm told that DATAKIT is one such; clearly there are others. We've added an optional HOST command to NNTP for precisely such purposes. Occasionally I forget that some of the higher-level Internet protocols are used on other than the Internet. - Brian