5 posts
How a bulk marketing campaign starved transactional email at Prachyam Studios — and how I fixed it by understanding Postfix queue internals and building a priority queue on top of Mailcow.
How Postfix queues work, why they pile up, and the exact commands to drain, inspect, and recover them when things go sideways.
The full story of building a self-hosted email stack across 12 domains and 6 servers at Prachyam Studios — the architecture, the hard lessons, and why I'd do it again.
Passing SPF and DKIM doesn't mean DMARC passes. Alignment is a separate check — and missing it is why your authenticated emails still land in spam.
Running a self-hosted email server across 12 domains for a media company — the architecture, challenges, and why I'd do it again.
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