1. ALL CAPS means shouting
2. Use underscores or asterisks for emphasizing words
3. Watch your tone -- it's written, not verbal communication
4. Check your spelling
5. Quote back only what is relevant
6. Use an automatic signature, especially if you are a business
7. Where are you located if requesting goods or services?
8. Don't send unsolicited file attachments
9. Use a descriptive Subject line
10. Only forward jokes and chainletters if you are SURE the recipient wants them (and hasn't already gotten a copy or three from someone else)
11. Don't send "Check This Out" Unsolicited URLs
12. Don't expose your email routing list to spammers
13. If you are on AOL, do not use the "Forward" command
14. Don't believe every cybermyth, urban legend, hoax or virus "alert" sent to you