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SMTP open relays and RFC (was: Backdoor not recognized by Kaspersky)
From: Martin Mačok <martin.macok () underground cz>
Date: Thu, 4 Mar 2004 09:52:37 +0100

On Thu, Mar 04, 2004 at 07:57:08PM +1300, Nick FitzGerald wrote:

Hmmm -- you realize that a lot of the behaviour you chastise in your
first point is because the systems involved are, in fact, being
terribly compliant mail _relays_ as defined in the RFCs??

Open relays are not RFC compliant. See RFC 2821 (SMTP) section 3.7
(Relaying) and RFC 2505 (Anti-Spam Recommendations) section 2.1.
(Restricting unauthorized Mail Relay usage).

Martin Mačok

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