This is a very complex topic and it is impossible to cover it in a few paragraphs.

The standard Html email template width was 600 pixels for desktops, 320px for vertical, and 480px for horizontal view on mobile devices. The height was unlimited and depended on content length. A few years ago the 600px width was a must-use standard and had no alternatives. But the standards have changed.

Let’s now talk about the acceptable width of emails, the best width of all email elements, and how to adjust these elements to multiple email clients, screens, and devices.

There is an article on the Litmus blog that claims that 600px email width is a myth. We totally agree on that as now there are more options than only a 600px width, yet it remains the standard size for email newsletters. But how did this width appear? Why is it exactly 600px?

A long time ago the screen resolution was far from perfect. And the number of devices was much poorer than now. That was the time when the 600px width appeared. Since then a lot of things have changed but the width of 600px has become a basis of an email layout.

So 600px width is more of a tradition than a rule and it gives you 100% that it will be displayed properly.

If you are looking for this kind of Responsive HTML Email Coding?
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