Blog
Articles on private email, self-hosting, and mail-server security.
DMARC: the complete technical guide
A deep, practical reference for DMARC — how SPF, DKIM and alignment actually work together, every record tag explained, and the gotchas that break mail in production.
Read more →Gmail is removing 'Send as' for third-party accounts — what to do
Google is ending Gmail's "Send as" feature for non-Google addresses in January 2027. Here's exactly what changes and how to keep sending from your own domain.
Read more →Why people are leaving Gmail — and where they are going
Privacy concerns, a shared storage cap, and inbox clutter are the three most-cited reasons people give for moving off Gmail. Here is what is actually true about each one, and what the alternatives offer.
Read more →Who can access your email? Government data requests and why infrastructure ownership matters
Governments send tens of thousands of legal requests for user data every six months. Here's how the process actually works, what the transparency reports show, and why it matters who runs your mail server.
Read more →Connect to your mail server over SSH
You generated a keypair and downloaded the private key — now use it to open a shell on your server. Step-by-step for macOS, Windows, and Linux, plus the errors you'll hit and how to fix them.
Read more →The real challenges of self-hosting email
Running your own mail server is harder than running most services. Here are the parts that genuinely trip people up — and which ones cripta.to takes off your plate.
Read more →The privacy case for self-hosting your email
What a mail provider can see, what it can't, and what actually changes when the server belongs to you rather than to a company whose business is data.
Read more →cripta.to vs Gmail: an honest comparison
Gmail is free, polished, and everywhere. cripta.to gives you a mail server you own. Here's a factual side-by-side — including the trade-offs of leaving Gmail.
Read more →SSH keys management
cripta.to keeps a support key on your server by default so we can help. You can add your own SSH key and switch ours off entirely, making the box yours alone. Here's how that works.
Read more →