The vast majority is from botnets, which compromise mostly of compromised reside...

		mike-cardwell on Nov 8, 2011 \| parent \| context \| favorite \| on: Port 25 will be blocked for South Korea from Decem... The vast majority is from botnets, which compromise mostly of compromised residential systems. http://www.theblaze.com/stories/email-spam-down-82-percent-s...