Server, DevOps, and technical infrastructure
How to configure RSPAMD for instant email and domain blacklisting — setting up regex multimap rules, a Docker-compatible block script, and why blocking at the mail server level matters more than client-side filtering.
A practical guide to DNS configuration across IPv4 and IPv6 — how they interact, which takes precedence on Windows 11 and Linux, and how to set up DNSMasq with a floating virtual IP for reliable dual-stack resolution on a self-hosted infrastructure.
Recently I wrote an article on why you should lock down your website certificates. Oddly, has been around since late 2013 and not very well know, although recently has been …
I must say it is pretty exciting with the Linux based open source solutions that are directed at solving Email Services problems: aka – SMTP + IMAP + POP3 + …
The internet is less reliable than it feels, and it shows the moment you upload something large. The tus protocol fixes the worst part of that.
