Re: Re: Re: OT: sorbs blacklisting scam
On Mon, May 01, 2006 at 01:24:10PM -0700, Mike Bird wrote:
> On Mon, 2006-05-01 at 04:52, Matthew Sullivan wrote:
>
> > 1/ Stop spam filter backscatter which is widely known to be 99.9999999%
> > forged senders, and thus stop attacking innocent users.
>
> Both your system and ours have generated backscatter in the past.
> Despite yesterday's change, your systems (and ours) can still generate
> backscatter today. Let's concede that we're both working to minimize
> backscatter but preventing backscatter is not yet technically
> feasible.
A quick technical note to this great discussion: Courier has backscatter
suppression built in. It pays attention to which accounts are not
getting delivered to (quota, whatever) and stops backscattering.
The link http://www.courier-mta.org/install.html#backscatter has all the
details.
m
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