I figured out how DMARC works, and it almost broke me
How to prevent email spoofing on your domain, using an unholy combination of silly standards.
Recently, I encountered a problem. My domain didn’t correctly implement SPF, DKIM, or DMARC.
Then, I encountered a second problem: I had no idea what those were, and seemingly nobody has written about SPF, DKIM, or DMARC in a way that a human can understand, not to mention implement. Every article I found was either highly technical, t…