The problem is that it would need to be implemented universally to be useful. We can't even safely turn on reverse DNS because many admins haven't properly set up reversing entries...
Dave
At 09:21 AM 8/5/2003 -0400, you wrote:
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Thanks for the link. That's an interesting article. Any idea if any hosts are already implementing RMX records?
Benjamin S. Rogers http://www.c4.net/ v.508.240.0051 f.508.240.0057
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of David Payer Sent: Monday, August 04, 2003 5:49 PM To: [EMAIL PROTECTED] Subject: [VOPmail Beta] Proposal for improving the SMTP protocol to address the issue of spam
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I found a very interesting article about a new concept that may come into being soon: rmx DNS records.
You can read about it here: http://www.mikerubel.org/computers/rmx_records/#abstract
In essence, it proposes that DNS rmx records indicate what machines are authorized to send mail for the domain. Since nearly 1/2 all spam comes from forged addresses, it would stop them. If people used their own domains with true rmx recorsds, you could block for them.
Interesting concept that does not destroy the existing smtp protocol but puts a dent in a spammers ability to say they are [EMAIL PROTECTED]
I would hope this could (conceptually) be built into the VOPMail core to make it a ready tool when acceptance comes.
David Payer OMNI Internet
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