This document discusses issues related to using email as evidence in legal proceedings. It begins by defining different types of electronic messages and noting the evolution of communication technologies. It then addresses relevance of email evidence, access to stored communications, production of emails, authentication and admissibility of digital records, and challenges related to new communication platforms like social media. The document examines these topics through case studies and highlights open legal questions regarding things like privilege waiver, proving the integrity of digital records, and authenticating messages when authorship is disputed.