Blog
Notes from operating it.
One operational note a week: an incident, an architecture trade-off, a deliverability finding, or a decision and what it cost. Written by the people who run the infrastructure.
transparencyfounder-note
Publishing the method before the numbers
Why our transparency methodology went live before we had a single report to show.
engineering-notedeliverability
What reputation isolation actually costs
Pooled sending is better economics. We do not do it, and here is the bill.
deliverabilityengineering-note
Acceptance is not delivery
The single most useful distinction in email, and the one almost every dashboard blurs.
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Open core · never venture-backed · operated by Martin Business Consultants