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How to Run Your Own DNS Server on Your Local Network

Running your own DNS server is a great way to accelerate your network’s responsiveness, reduce your reliance on public infrastructure, and benefit from extra functionality like hostname routing. Here’s how to set up a DNS server on a Linux machine using Dnsmasq.

DKIM, DMARC, and SPF: Setting Up Email Security

DKIM, DMARC, and SPF are the three main mechanisms maintaining the security of emails. The related protocols let you prevent unauthorized servers from sending as your domain and give recipients a way to verify emails really come from you.
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