[nflug] Forged mail header bounces up exponentially

[Cyber Source]

That is what I meant, you summed it up nicely.

D. Joe wrote:
> On Mon, Apr 28, 2008 at 06:51:15PM -0400, Cyber Source wrote:
>   
>> Aside from setting up filters, it's going to be hard because
>> they are in a sense legitimate emails.
>>     
>
> In what sense is sending spam to otherwise uninvolved third
> parties legitimate?
>
> People who configure their MTAs to do this are part of the
> problem.  They aren't in any sense bouncing the email as they
> receive it, otherwise the bounces would go back to the sender
> during the initial SMTP session.  Rather, what these MTAs are
> doing are forwarding some message based on the incoming spam to
> the forged address, trusting the address sent to them by the
> spammer--at best a naive approach, at worst, complicit in
> spreading the damage.
>
> They deserve to be corrected when they listen to folks who want
> to help them correct their systems behavior, as with Darin's
> exemplary approach
>
>  http://www.nflug.org/pipermail/nflug/2008-April/027528.html
>
> but deserve to be excoriated and excluded when they don't. 
>
>