If you contend that half the problem with spam is people just aren’t careful with their email box management, someday people may listen. Until that fine day comes, read Users Practicing Bad E-Mail Hygiene, from Yahoo! News.
CNET reported on eBay’s ongoing phishing problems, noting that the latest is a security hole in eBay’s existing platform that allows phishers to redirect targets from legitimate eBay URLs to malicious ones. This is a particularly danderous exploit, as by passing through eBay to another site, even a fairly sophisticated surfer might not know what has happened until it is too late.