Rich Text: To compose the message text, start typing in the Text box. When your email message is composed in Rich Text Format this allows you to use font styles, multiple fonts, point sizes, etc.
Plain Text: To compose the message text, start typing in the Text box. When your email message is composed in Rich Text Format you will be limited to only one type of font. No active links, can not change font color, font style, point size, etc.
