[Spooky23]

Email is really difficult because retention law and regulation is based on a topic.

To meet federal requirements, information about procuring equipment with certain grants must be maintained for 10 years. Caseworker notes for a minor who is a ward of the state may be required to be kept for 20 years after the 18th birthday.

If a record is deemed in scope and topical, an employee could be committing a crime by deleting that email. As a result, the easy answer is retain.