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HTML e-mailAn e-mail message formatted with the same HTML codes used in Web pages (Web pages are HTML documents). This is the approach taken today, but the original Internet e-mail standard supported only unformatted text. However, in order to use different fonts, font sizes and attributes such as bold and italic, as well as embed images, HTML support was added. It also enables e-mail messages to display elaborate advertising.
To perform the actual screen rendering, the HTML e-mail program calls functions in the Web browser.
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