How Email List Confirmation Emails Reduce Fake Signups

The Email Marketing Podcast with Fexingo: Newsletters, Open Rates, and Subscriber Growth · Jul 13, 2026 · 9m · transcript

Fake email signups waste list resources and skew engagement metrics. In this episode, Lucas and Luna dive into how double opt-in confirmation emails act as the first quality gate, using data from a real-world test where a B2B SaaS company cut fake signups by 76 percent by switching from single to double opt-in. They discuss the trade-off between friction and list health, how to design confirmation emails that still convert real subscribers, and why click-through rate on the confirmation itself is a leading indicator of long-term engagement. Practical advice for marketers weighing the decision…