North American Network Operators Group

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Re: Anti-spam System Idea

  • From: jlewis
  • Date: Sat Feb 14 15:38:59 2004

On Sat, 14 Feb 2004, Tim Thorpe wrote:

> 95% of spam comes through relays and its headers are forged tracking an
> E-mail back that you've received is becoming next to impossible, its also
> very time consuming and why waste your time on scumbags?

The proxies are tough to find since they can run on any port.  Some of 
them even pick random ports, then "phone home" to tell the spammer which 
IP/port was just created as one of their open proxies.

> my idea;
> a DC network that actively scans for active relays and tests them, it
> compiles a list on a daily basis of compromised IP addresses (or even
> addresses that are willingly allowing the relay) making this list freely
> available to ISPs via a secure and tracked site.

You're a few years late.  See  For a non-DC version, see

 Jon Lewis *[email protected]*|  I route
 Senior Network Engineer     |  therefore you are
 Atlantic Net                |  
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