SORBS on autopilot?

[mike at mtcc.com (Michael Thomas)]

On 01/12/2010 10:48 AM, Dave Martin wrote:
> On Tue, Jan 12, 2010 at 11:51:47AM -0500, Jed Smith wrote:
>> On Jan 11, 2010, at 11:11 AM, Jon Lewis wrote:
>> The vibe I got from a number of administrators I talked to about it was "why
>> would a standards document assume an IPv4/IPv6 unicast address is a residential
>> customer with a modem, forcing those with allocations to prove that they are
>> not residentially allocated rather than the other way around?"
>
> Because a default allow policy doesn't work in today's environment.
>
> Blocking generic and residential addresses is the single most effective
> thing we've ever done to reduce spam.

Really? You mean that if you stopped doing this you'd have trillions,
or quadrillions of spams per day instead now? I'm skeptical.

Mike