[67634] in North American Network Operators' Group
Re: Anti-spam System Idea
daemon@ATHENA.MIT.EDU (Valdis.Kletnieks@vt.edu)
Sun Feb 15 17:28:18 2004
To: Sean Donelan <sean@donelan.com>
Cc: "Jon R. Kibler" <Jon.Kibler@aset.com>, nanog@merit.edu
In-Reply-To: Your message of "Sun, 15 Feb 2004 16:40:40 EST."
<Pine.GSO.4.58.0402151618440.23986@clifden.donelan.com>
From: Valdis.Kletnieks@vt.edu
Date: Sun, 15 Feb 2004 17:27:29 -0500
Errors-To: owner-nanog-outgoing@merit.edu
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On Sun, 15 Feb 2004 16:40:40 EST, Sean Donelan said:
> DialUp Lists (DUL) dns block lists permits you to ignore e-mail from
> many dynamic IP addresses. You can configure your mail server to do this
> today without waiting for ISPs to do anything.
If we advertise the DHCP pools for AS1312 in a DUL, we solve the problem for
those sites that use the DUL we list them in.
If we block outbound port 25 SYN packets from origin addresses in the DHCP
address blocks, we solve the problem for everybody.
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