When you mention the term 'disaster recovery,' most people think about the big ground-shattering events like earthquakes, fires, floods, tropical storms, etc. While these natural events are certainly disasters and devastating in their own right, smaller things can constitute as a disaster for your business, and they aren't seasonal.
Email is (and has been) a prime method of communication for businesses of all sizes. With email comes a whole slew of issues that are essentially synonymous with the technology; spam, information overload, phishing, and information privacy. Even Nationwide small businesses that only do business locally are at risk of these issues. Personal email accounts are equally at risk. Employing proper precautions and practices whenever communicating via email is very important to prevent the risk of security compromises, monetary loss, and even legality issues.