A blizzard of spam

I’m not sure why, but the ratio of spam to legitimate e-mails has tilted into the insane zone in the past couple of weeks. I’m trying SpamSieve, but I’m dubious: I still have to sit in front of my iBook and watch all that worthless e-mail come in; and then I still have to look at everything to make sure that the program didn’t improperly label a good e-mail as spam. How does that help?

Are any of you using a spam-blocker that you actually like? It seems to me that a server-based solution would be best. I’m also intrigued by those occasional messages I receive from people saying that my e-mail won’t go through unless I take an additional step. I realize it’s a burden to people trying to reach me, but this is getting ridiculous.