Re: Anti-spam System Idea

[jlewis () lewis org]

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?

s/relays/proxies/
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 http://dsbl.org.  For a non-DC version, see 
http://njabl.org.

----------------------------------------------------------------------
 Jon Lewis *jlewis () lewis org*|  I route
 Senior Network Engineer     |  therefore you are
 Atlantic Net                |  
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