Olive Grove

This portfolio is generally related to e-mails. Techniques are disclosed to enhance e-mail display for received e-mail by parsing to generate preview, authenticate using digital signature and display preview. Also disclosed techniques to display promotions along with e-mail previews. Further, disclosed techniques to provide different previews for different e-mails, using preview triggers so that user can modify e-mail previews. The technology may be implemented in e-mail clients, web interfaces for e-mail, online advertising, etc.