Writing Effective E-Mail: Top 10 Tips

1. Write a meaningful subject line.
2. Keep the message focused and readable.
3. Avoid attachments.
4. Identify yourself clearly.
5. Be kind -- don't flame.
6. Proofread.
7. Don't assume privacy.
8. Distinguish between formal and informal situations.
9. Respond Promptly.
10. Show Respect and Restraint.

http://jerz.setonhill.edu/writing/e-text/e-mail.htm