] Your post advocates a
]
] ( ) technical ( ) legislative ( ) market-based ( ) vigilante
]
] approach to fighting spam. Your idea will not work.
] Here is why it won't work.

Well, personally I think that whitelists suck less then spam, so I would add two more checkboxes to this form:

( ) People's complete unwillingness to make even the smallest change to their established routine.
( ) People's general expectation that their problems should be solved by other people.

Standard form for responding to anti-spam proposals

] The new law hasn't had an effect on the amount of spam
] being sent, either. "There's been no reduction in the
] volume of spam," says Scott Chasin, MX Logic's chief
] technology officer. "In fact, the exact opposite--our
] spam rates are actually going up."
]
] MX Logic classified 77 percent of its customers' e-mail
] as spam on Monday, up 6.5 percent from January 1.

SPAM continues to grow exponentially. At these rates I think there is about a year left before people will start exiting SMTP in favor of closed systems.

PCWorld.com - Is the CAN-SPAM Law Working?