In Note Edit page, touch to show "Send this note" menu.
This is the most versatile format. Your note's title become a mail's title, text of note becomes a mail body, images become an email attachment. Background image is not send in this style.
If you like to send an email with background image, chose this.
Send your note as an HTML mail. Images within note inserted between your text as original. This is suitable format to send mail for iPhone, iPod touch and Mac.
Convert your note as an image and send it as a mail attachment. Most mail client can see it as an image. To prevent the picture becomes too large, RainbowNote converts only first three pages of a note in this format.