Re: [anti-spam-wg@localhost] Re: Domain spoofing
- Date: Fri, 10 Oct 2003 19:42:41 +0200
- Organization: SpaceNet AG, Muenchen, Germany
On Fri, Oct 10, 2003 at 07:01:29PM +0200, Martin Neitzel wrote:
> I'm pretty sure you refer to der Mouse himself on this very mailing
> list in
Yakov Shafranovich posted a list of RMX proposal on ASRG:
ASRG has contacted the authors of all that documents and they try to
reconciliate right now and hope to have a draft ready for submission
before Oct. 20, which is the deadline for first drafts for Minneapolis.
In addition to what der Mouse wrote IMHO a big problem with the
current RMX proposal will become IPv6. I don't think it will be fun
to add records like described on
for IPv6 hosts.
With a colleague I am currently writing a draft with a slightly
It still needs some polishing before submitting.
The basic idea is to "mark" MTAs in reverse DNS with a TXT record like
The same way you can mark hosts that should never send eMails accross
the Internet (WAN) with "ASRG.MTA=no".
While this is a weaker criterion than the RMX ones, it deploys existings
techniques, is easy, fast and cheap to implement and doesn't have the
drawbacks of RMX style proposals.
Comments welcome ;-)
P.S. A reference implementation that works as a kind of dispatcher (like
DJB's rblsmptd) will be available soon.
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