Antispam tools
Spam risk
California Law
Misc useful spam-related sites
false return address (flowers.com case)
About stopping spam
complaining about spam
- easyst (what to do, but not how to do it)
- AOL's e-mail abuse FAQ (more what to do, but not how to do it)
- spam-l FAQ (lots of how to do it, but not easy for people who aren't that into computers)
- O'Reilly: Stopping spam (I haven't read this, but it's probably pretty good - O'Reilly books tend to be that way)