ISP port blocking practice

Randy Bush randy at
Tue Sep 7 01:59:23 UTC 2010

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

i keep hearing that, but am having a hard time finding supporting data.


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