When it comes to email, security should be in your mind at all time. That's because all it takes is one user in your organization falling for a phishing campaign to put your company at risk. By now, you probably heard this warning 100000 times and like lockdown protesters around the country, you are suffering from doomsday warning fatigue. But chances are you and your organization are still opened to attacks -- and on lockdown. Here's a way to pass the time constructively: a technical article detailing the fundamentals of SPF, DKIM, and DMARC: the 3 pillars of security in email.