Automating Let's Encrypt for Internal Hosts with DNS-01 and SSH Push
How I replaced a dozen ad hoc certbot setups with one central acme.sh instance. It uses DNS-01 validation through Cloudflare and pushes each certificate to its host over SSH.
Dns
Self-Hosted Email: Running My Own Mail Server Again
How I moved my domain’s email from a hosted provider to a self-hosted Postfix and Dovecot server in my home lab, the design choices behind it, and what I learned along the way.