Crushing Local Email at Scale – How 6AM City Sends Millions of Emails Daily (ft. Ryan Heafy)

How do you deliver 25+ local newsletters a day, scale to millions of subscribers, and maintain rock-solid inboxing while doing it?

In this episode, I sit down with Ryan Heafy, Co-founder and COO of 6AM City, to unpack the systems, strategy, and culture behind one of the largest local newsletter networks in the country.

We cover:

✅ How 6AM City manages high-volume daily sending without tanking deliverability
✅ Their editorial + data engine that drives local engagement
✅ What happens when you acquire a network of AI-powered newsletters (like Good Daily)
✅ Real-time email performance insights and how they optimize across cities
✅ The importance of internal alignment between ops, tech, and editorial

Whether you’re sending 1 newsletter or 100, this episode is packed with insights on scaling email the right way.

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Mentioned in this episode:

📨 6AM City → https://6amcity.com
𝕏 Chris Miquel → https://x.com/miqchris
𝕏 Ryan Heafy → https://x.com/ryanheafy