nanog mailing list archives

RE: ORBS (Re: Scanning)


From: Derek Balling <dredd () megacity org>
Date: Sun, 27 May 2001 10:48:52 -0700


At 9:11 AM -0700 5/27/01, Roeland Meyer wrote:
A system that tests positive for ORBS , yet is using MAPS, will not be used
as a spam relay. Yet, ORBS will list such a system.

I'm not sure I understand this logic:

1.) They test positive for orbs... so they ARE an open relay
2.) That system is using MAPS, which means that there is some subset of systems the open relay itself rejects mail from

Somehow that means that non-MAPS-listed sources (of which there are many) are somehow magically restricted from relaying through the open relay?

You must not have a roaming staff or are willing to keep telcos wealthy.

POP-Before-SMTP is good. SMTP AUTH is better. Solves the problem quite nicely.

D

--
+---------------------+-----------------------------------------+
| dredd () megacity org  | "Conan! What is best in life?"          |
|  Derek J. Balling   | "To crush your enemies, see them        |
|                     |    driven before you, and to hear the   |
|                     |    lamentation of their women!"         |
+---------------------+-----------------------------------------+


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