Anbefalet bredde: 600px (620px til 650px)
Anbefalet synlige højde: 300px (500px)
Maximum width for HTML emails
Responsive nyhedsbreve:
From Monitor To Mobile: Optimizing Email Newsletters With CSS
Responsive Email Newsletter Design: Increase Mobile Readership
HTML EMAIL BOILERPLATE v 0.5
Generelle anbefaler omkring nyhedsbreve:
How to make your e-newsletter stand out
Designing an Email Newsletter – 5 Effective Guidelines
Designing Email Newsletters, the right way