Nobody wants random people accessing their emails, especially if you’re running a presidential campaign. After all, it wasn’t too long ago that Hillary Clinton’s own campaign emails were breached. Despite that cautionary tale, almost every 2020 presidential candidate isn’t using a basic email security feature. Agari — an email security company — released new data that showed only Elizabeth Warren uses both email authentication and advanced email security. Warren is also the only candidate to use domain-based message authentication, report, and conformance policy, or DMARC, TechCrunch noted . DMARC is an email security feature designed to reduce the potential for email abuse by using Sender Policy Framework (SKF) and DomainKeys Identified Mail (DKIM). As outlined by TechCrunch, the feature is pretty useful because it can verify a sender’s email and mark emails as spam or can reject them if an email can’t be properly validated. “For US congressional and presidential candidates with...