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Guides for people who run their own servers.
Straight-talking tutorials and comparisons on VPS hosting, game servers, Linux and security. No fluff, just what actually works. 346 guides from the team that runs the servers.
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4 guides for “tools” in Email · Clear search
How to Set Up DKIM on a Self-Hosted Mail Server
Generate a DKIM key, publish it in DNS and sign outgoing mail on your own Postfix server with OpenDKIM. The full command-by-command walkthrough.
How to Stop Your Emails Going to Spam
A practical checklist for getting your email out of the spam folder — authentication, reputation, content and infrastructure — with the exact fixes that move the needle.
How to Set Up SPF, DKIM and DMARC Step by Step
The three DNS records that decide whether your email lands in the inbox or the spam folder. Here's exactly what to publish, in the right order, with real values.
How to Set Up Reverse DNS (PTR) for a Mail Server
A missing or wrong PTR record is the fastest way to get your mail server's email rejected. Here's how reverse DNS works and how to set the PTR correctly.
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