Articles about coding HTML email specifically written for this site, Code HTML Email (CHE).
A step-by-step description how to code HTML email to display well in all email software. One of the first articles on the topic. Published in 2003 and updated since then.
This article demonstrates the basic process used to create a simple HTML email that adapts to display well on phones and tablets, as well as older and newer email software. Also published on my Help Kids Code website about computer science and programming.