Spam Attack - How to Combat Spam

You can recognize physical junk mail in your mailbox and quickly sort the coupons from your mortgage statement with very little effort. Bright colors, the return address, and content make it easy to do. In the same way, spam emails tend to be similar to each other in their offerings, format, and overall arrangement.

http://www.infodaily.org/Topics/Internet-S...Combat-Spam.asp