DMARC at p=none is not email authentication
The claim A published DMARC record with a policy of none protects nobody. It asks receiving mail servers to report on forged mail and then deliver it anyway. Most Canadian business...
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Insights & tutorials
Engineering notes, infrastructure deep dives and practical guides from the Exotecho team.
Your health check should touch the database
The claim An endpoint that returns 200 unconditionally is worse than having no health check at all. It converts a loud failure into a silent one: your load balancer keeps routing t...
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A backup you have never restored is a hypothesis
The claim Backup coverage is the wrong metric. The only number that describes your actual risk is the elapsed time of your last successful, verified restore into a clean environmen...
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Use Postgres full-text search before you reach for a search cluster
The claim Below roughly a million searchable rows, PostgreSQL's built-in full-text search is not a stopgap. It is the correct answer, and adding a separate search cluster at that s...
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Your $12 VPS costs about $600 a month
The claim The invoice is not the cost. For a small Canadian business running its own site on an unmanaged virtual private server, the true monthly cost of ownership lands somewhere...
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The physics case for hosting Canadian traffic in Canada
The claim Most arguments for keeping Canadian workloads on Canadian infrastructure are legal ones. Those arguments are real but negotiable — contracts, addenda, and standard clause...
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Most business sites should render HTML on the server
The claim For a marketing site, a product catalogue, a booking flow, or an internal dashboard with a few hundred users, server-rendered HTML with a modest amount of JavaScript will...
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