Why Email Frequency Capping Boosts Retention

The Email Marketing Podcast with Fexingo: Newsletters, Open Rates, and Subscriber Growth · Jul 11, 2026 · 8m · transcript

Episode 108 of The Email Marketing Podcast with Fexingo dives into email frequency capping — the strategy of limiting how many emails a subscriber receives per week or month. Lucas and Luna break down why over-mailing is a leading cause of list decay, citing a real-world case: a mid-size e-commerce brand that dropped from five emails a week to three and saw its unsubscribe rate fall by 40 percent while open rates climbed 12 percentage points. They discuss the behavioral science behind inbox fatigue, how to set caps based on engagement segments, and the tools that automate capping (like…