North American Network Operators Group

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Re: ISP wants to stop outgoing web based spam

  • From: Peter Corlett
  • Date: Fri Aug 11 05:40:40 2006

On 10 Aug 2006, at 22:07, Barry Shein wrote: [...]
The vector for these has been almost purely Microsoft Windows.

I wonder. From the point of view of a MX host (as opposed to a customer-facing smarthost), would TCP fingerprinting to identify the OS and apply a weighting to the spam score be a viable technique?