Re: e2e

[Michael Thomas <mat at cisco.com>]

Keith Moore wrote:
> > The communication system isn't being a filter, properly speaking - it
> > is simply routing some traffic to black holes using standard routing
> > technology. And it doesn't relieve the application of the burden of
> > filtering. But it can help reduce the volume of crapola at the
> > application. 
> >     
> ...at the cost of dropping legitimate traffic.  the thing is, the set of
> valid senders for you and the set of valid senders for everyone at cisco
> is very different, and the latter set is much fuzzier.  and those
> reputation services won't take responsibility for the mail that you lose
> by trusting them, nor are they accountable to the senders either.
>
> this is  not a way to make the network more robust.
>   
Robust for what? Spammers? The simple fact of the matter is that the
alternative is to just shut down port 25 given the growth in both volume
and complexity to filter.  That ain't robust either. Dealing with false
positives is the cost of doing business on the internet these days. Welcome
to reality.

      Mike

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