Notes on what we're building and why. We write about transactional email from the infrastructure side: deliverability, DNS and domain verification, inbound routing, and the patterns we use to get email into systems that standard integrations can't reach.
Every post comes from running MailFlo in production, with real code and the trade-offs behind it.
· 7 min read
How Live Radio Director receives listener email in real time from behind a firewall: an outbound WebSocket rings the doorbell, an authenticated pull fetches the mail. No open ports, no tunnels, no lost messages.
Read more →· 5 min read
Inbound email on MailFlo now delivers two ways: your existing webhook, and a live WebSocket push for tenants who have nowhere to receive a POST. Here's why, and how the two fit together.
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