full-disclosure - Apparently the practice was prevalent

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From: martin.macok at underground.cz (Martin Mačok)
Subject: Apparently the practice was prevalent

On Wed, Feb 11, 2004 at 01:50:22PM -0000, John.Airey@...b.org.uk wrote:

> RFC 821 and 822 were inadequate even before April 2001.

You told that *anyone who does not have an "open" email relay is in
breach of this RFC*. I'm asking you to prove it.

RFC 821          SIMPLE MAIL TRANSFER PROTOCOL           August 1982

   3.6.  RELAYING

[..]

                      ...  The receiver-SMTP may accept or reject the
      task of relaying the mail in the same way it accepts or rejects
      mail for a local user.

[..]

Just tell me *where exactly* RFC 821 enforces receiver-SMTP to accept
and deliver every message. Which part of this RFC is receiver-SMTP
breaching when it rejects to "open relay" some message?

Martin Ma?ok