Latest / The Email Marketing Podcast with Fexingo: Newsletters, Open Rates, and Subscriber Growth
Why Email List Appends Are a Disaster
Most marketers think adding more subscribers is always good. But list appends—buying or renting email addresses—can destroy your sender reputation, land you in spam folders, and trigger GDPR or CAN-SPAM fines. In this episode, Lucas and Luna break down the 2025 case of a major e-commerce brand that saw a 40 percent deliverability drop after a list append campaign. They walk through how inbox providers now treat unknown addresses, why engagement metrics crater, and what to do instead: double opt-in, preference centers, and re-engagement flows. If you are adding cold contacts to your list, this…
The skinny
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