HTML is a powerful language, and while you can do some formatting in email messages with the tools provided by Mozilla Thunderbird, Netscape or Mozilla, there are many things you cannot do.
More Email Quick Tips
Fortunately, Mozilla Thunderbird, Netscape and Mozilla share a feature that allows you to enter HTML source code directly in an email message.
To use custom HTML tags in an email:
- Select Insert | HTML... from the message menu.
- Enter the desired HTML code.
- Select Insert
