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.
people who cite "reality" generally do so because they lack
justification for their statements.
find a way to make reputation servers accountable to both sender and
recipient, then we can talk about robustness. until then, they're just
another form of DoS attack.
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