[38033] in North American Network Operators' Group
Re: ORBS (Re: Scanning)
daemon@ATHENA.MIT.EDU (Steve Sobol)
Sun May 27 13:32:09 2001
Message-ID: <3B1139BD.EAD0F9A6@NorthShoreTechnologies.net>
Date: Sun, 27 May 2001 13:30:37 -0400
From: Steve Sobol <sjsobol@NorthShoreTechnologies.net>
MIME-Version: 1.0
To: Roeland Meyer <rmeyer@mhsc.com>
Cc: "'E.B. Dreger'" <eddy+public+spam@noc.everquick.net>,
nanog@nanog.org
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Errors-To: owner-nanog-outgoing@merit.edu
Roeland Meyer wrote:
> > I don't buy the "we need open relay for nationwide users" argument,
> > either. Build a cheap MX that does nothing but take mail from a given
> > POP, and send it to the world. Anti-spoofing at the border,
> > don't accept mail from the outside world, and you're done.
>
> You must not have a roaming staff or are willing to keep telcos wealthy.
RFC2554. Works very well for me; people can connect from
anywhere that doesn't have port 25 filtered or they can connect on
port 587, which is meant specifically for authenticated SMTP
connections.
Supported by all major e-mail clients, except for Outlook/OE 5.0, and
even then only if they are using a specific version of INETCOMM.DLL that
has a bug that causes it not to send authentication; upgrading to 5.5
fixes
that.
Sendmail, Exchange and a number of other mail server products now offer
RFC2554 support.
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