email

Over the years I’ve compiled a collection of rules to improve the effectiveness of SpamAssassin for stopping spam leaking into my servers. This post summarizes the steps required to add my channel to your SpamAssassin setup.

Managing multiple sets of certificates with Let’s Encrypt and Certbot does not have to be complicated. This post contains some of my notes about managing servers with Nginx, Sendmail and Dovecot along with Let’s Encrypt certificates.

This is a quick post documenting the most recent Sendmail setup that I’m testing for a project. It differs slightly from my typical setup on Debian systems, so I’m documenting it here mostly for the sake of keeping notes.