On Wed, 2 Jul 2008, Marc Perkel wrote:

Again - it's not to figure out where spam comes from. It's figuring out where non-spam comes from. I think there are registrars out there that don't have any spam domains registered.

Right, but how do you guarantee a host with a whitelisted RDNS domain name doesn't get infected with a smapbot?

--
 John Hardin KA7OHZ                    http://www.impsec.org/~jhardin/
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