Spam: Crisis, or Approaching Denoument? A few interesting comments on this front today. Fred says the crisis is over, everyone should just calm down. Pamela says spam filtering technology is getting really good now. And I had lunch with Saul Hansell from The New York Times today, who thinks that authentication will make a monumental difference. [For those of you who read OnlyOnce and aren’t super technical, authentication is the newest trend that ISPs are starting to employ to snuff out spammers. In a nutshell, it’s a technology like Caller ID that lets an ISP verify who’s sending the mail so they can shut it down if the mailer is clearly a bad guy (or someone who blocks Caller ID).]…