In other words . . .
If some of the major companies and organizations cared to tighten up their network and increased surveillance on their computers, I would get less junk mail ?
Well that is an enlightening thought. It's kind of depressing to think that, of all the business computers out there, it's the ones with the best in support and infrastructure abilities that are not doing their share to combat spam and lock down their network.
How are small and medium businesses supposed to cope if the big guys can't show the way ?