How Email List Growth Rate Predicts Revenue

The Email Marketing Podcast with Fexingo: Newsletters, Open Rates, and Subscriber Growth · Aug 9, 2026 · 9m · transcript

In this episode, Lucas and Luna dig into a metric that many email marketers overlook: list growth rate. Lucas walks through a case study from a mid-sized e-commerce brand that saw revenue jump 38 percent after focusing on list growth rate as a North Star metric. They break down the numbers, the tactics — like a two-step opt-in and a targeted referral campaign — and why a healthy growth rate beats raw subscriber count. Luna challenges the approach, asking whether growth for growth's sake creates more unengaged subscribers, and Lucas explains how to balance growth with engagement. The…