Run Your Own Mail Server - IT Mastery, #20

You Against the Email Empire Message services appear and disappear, but email remains. One of the Internet's oldest and most open protocols, email reaches everywhere. Dominated by a handful of carriers, yet still manageable by the rest of us. If you do it right. Setting up the email server is the easy part. The protocols that support email? Those are hard. SPF. DKIM. DMARC. BIMI and MTA-TLS and TLS-RPT.
DNS standards that apply to nothing else on the modern Internet. Block lists. Graylisting.  Email is a protocol unlike any other, yet among our most essential. Never surrender the protocols. Reclaim your connections. Run your own mail server.