Field notes from the people who run infrastructure
Teardowns, post-mortems and practical guidance — written by engineers, for the people who depend on them.
Email
How to fix email that lands in spam (SPF, DKIM, DMARC)
A practical, step-by-step walk through the three records that decide whether your email reaches the inbox — and how to move to an enforcing DMARC policy without breaking legitimate mail.
Full article coming soon
Operations
What to do when your sysadmin quits
The calm, ordered way to take control of infrastructure nobody else understands — before it becomes an emergency.
Full article coming soon
Cloud
Why your cloud bill keeps growing (and how to stop it)
The handful of patterns behind almost every runaway cloud bill, and a sensible order to tackle them in.
Full article coming soon
Backup
An untested backup is not a backup
Why restore-testing is the only thing that turns a backup from a hope into a guarantee — and how we do it.
Full article coming soon
Sample topics shown — full articles are being written and published by our engineering team.