Category: Infrastructure

  • Email Authenticity 101: DKIM, DMARC, and SPF

    Prefer to listen? I was a guest on Heavy Networking Episode 602 and covered all the details in this post! Password resets, two factor codes, business secrets, private conversations… Email is at the centre of most of life and business, and so we must ensure it is trustworthy and authentic. If you use email with…

  • Quick and Dirty Containers with systemd

    Docker and other containerization technologies are making the rounds in the Linux community, but a lowly hero lurks beneath now every major Linux distro; enter systemd-nspawn containers. systemd has arrived with mixed reviews — you either love it or you hate it — but one thing stands for certain: it gets the job done. Regardless of your…