ISP port blocking practice

Suresh Ramasubramanian ops.lists at
Tue Sep 7 01:36:53 UTC 2010

No.  It'd just increase a LOT, astronomically.

Something on the lines of turning a firehose of petrol on a wildfire

On Tue, Sep 7, 2010 at 7:00 AM, Randy Bush <randy at> wrote:
> i suspect that, if we opened smtp relays again, unblocked 25 for
> consumer chokeband, etc., total spam received would likely increase a
> bit.  but my guess, and i mean guess, is that the limiting parameter
> could well be how many bots the perps can get, not how well those bots
> are blocked.

Suresh Ramasubramanian (ops.lists at

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