1. Turn your email client off. Pick the moment at which you’ll be interrupted.
2. Never criticize anyone in email, and avoid technical debates. Use face-to-face meetings or ‘phone calls instead.
3. Be judicious in who you send email to, and who you copy on emails.
4. Observing some formality is important.
5. Don’t hesitate to review and revise important emails.
6. Remember that email is a public and permanent record.