The recipients will be viewing your email newsletter in different email applications which render HTML email differently. For this reason, you need to test your email first and make sure it works in as many different email applications as possible. There are many email applications out there and they all render HTML email in different sometimes unpredictable ways. Do you need to test every single newsletter across every single application, every single time you send? No. Just setup a good, simple, foolproof template and test it as much as possible. In the future all you’ll need to do is to vary the content. It really helps to setup a test computer (or two) in your office. If it’s not possible, send the email to a few friends or office-mates. Just ask them to let you know if anything looks "off" or broken to them.
In the table below we summarize the particularities of most popular email clients. Knowing common issues of various email applications will help you find the optimal HTML design so that you email newsletter is displayed in the suitable way for all the subscribers.
- AOL 9. The "preview pane" is extremely tiny. Make sure to design your emails to peek out enough from the preview pane. Your HTML code needs an extra line break or two after the final