How to Create HTML-Based Email in Yahoo. Yahoo Mail supports both plain text and rich text (HTML) email composition. There are benefits and detriments for each method, but if you want to use ...

Responsive design A major issue when using HTML is that the email client that your customers may be using can interpret the email messages differently.

How to Use HTML in Thunderbird. Thunderbird is Mozilla's free, open-source email client, capable of sending rich-text messages by using HTML. When you open a Thunderbird message, it operates like ...

The Mailto Chrome extension can make most webmail services your default mail client in Chrome. If you want to use a service other than Gmail, install the Mailto: extension from the Chrome Web Store.

And they correctly note that this problem could make advanced HTML email trickier for marketers and other people who need or like to use HTML email.

In previous versions of Microsoft Outlook (the classic app), you could view the HTML code of an email by opening the email, ...