Not really... If I made a dirty version of the plugin for myself, I'd just do a DOM text search for "terms" and if found do another search for "arbitration", both case insensitive. If found, then highlight the words, pop a warning to the viewer, and scroll the window or modal to the spot.
The mailer API would be plausible through a third-party postcard/letter mailer API.
The mailer API would be plausible through a third-party postcard/letter mailer API.