<https://forums.slipstick.com/threads/90460-linking-contacts-to-a-message-where-the-contact-isnt-an-addressee/>
<http://schema.org/articleBody>
"I work in a busy Human Resources office where emails are sent back and forth about individuals.  I have each of these \"clients\" listed in a contact list and use the contacts/activities to track emails to and from each client.  However, in many..."
<https://forums.slipstick.com/threads/90460-linking-contacts-to-a-message-where-the-contact-isnt-an-addressee/>