The 10 Rules of Email Marketing

1. Customize the subject/title of the newsletter.

2. Customize the content of the newsletter.

3. Use a shipping address with a customized domain name.

4. Create a readable and easily accessible content.

5. Create hyperlinks for the images/texts displayed in the newsletter. 

6. Use the "standard" size newsletter (600-700 pixels wide).

7. Communicate often about your activities without flooding your subscribers.

8. Insert buttons (call-to-action) to incite the subscribers to click (Button creator).

9. Create a balanced content of 50% texts and 50% images.

10. Make tests before sending the actual newsletter.