Latest / The Email Marketing Podcast with Fexingo: Newsletters, Open Rates, and Subscriber Growth / How Email List Re-engagement Campaigns Recover Ghost Subscribers
Transcript
- Lucas: There's a moment every email marketer knows. You're looking at your list, and you see thousands of subscribers who just stopped opening. They're not bouncing, they're not unsubscribing — they've just gone quiet. And the instinct is usually to either do nothing or blast out a generic 'we miss you' email. Luna: Right, and both instincts can hurt more than help. Doing nothing lets list decay drag down your deliverability, but a blanket reactivation blast can get you marked as spam. Lucas: Exactly. So today I want to look at what actually works when you're trying to bring dormant subscribers back — not the theory, but the specific mechanics. I've been digging into a case from a mid-market beauty brand that ran a structured 90-day re-engagement sequence. And before we dive into the numbers, I want to mention something briefly. Luna: Sure, go ahead. Lucas: If these marketing conversations have sparked something you've actually used in your own work, listener support is what keeps this show ad-free and independent. If you'd like to chip in, it's buy me a coffee dot com slash fexingo. No pressure at all — just a simple way to say this matters to you. Luna: Yeah, and it really does make a difference. We don't run ads, so it's truly listener-funded. Appreciate anyone who feels compelled. Lucas: Alright. So back to the beauty brand — let's call them Bloom Beauty for this. Their list was about 150,000 subscribers, but they noticed that nearly 40,000 hadn't opened an email in over six months. That's a huge drag on sender reputation. Luna: Forty thousand out of a hundred fifty thousand — that's over 26% dormant. That's going to hurt your deliverability with ISPs like Gmail and Outlook. Lucas: Exactly. So they designed a three-email re-engagement sequence, spaced over two weeks. The first email went out after the subscriber had been inactive for 180 days. The subject line was direct: 'Come back for 20% off your next order.' No games, just a clear incentive. Luna: That's smart — they tied the ask to a tangible benefit. And 20% is enough to feel meaningful without being desperate. Lucas: Right. The second email, five days later, was a bit more emotional. Subject line: 'We miss you — here's what's new.' It highlighted three new product launches from the past six months. The idea was to remind them why they signed up in the first place. Luna: So the first email is transactional, the second is value-driven. What was the third? Lucas: The third email, another five days later, was the 'last chance' email. Subject line: 'We're cleaning up our list — don't miss out.' And it made clear that if they didn't engage, they'd be unsubscribed automatically within 30 days. Luna: That's a sunset policy in action. And it's honest — it tells the subscriber exactly what will happen. That tends to perform better than a vague 'stay in touch'. Lucas: It does. And the results were pretty compelling. Over the 90-day period, Bloom Beauty recovered about 4,800 subscribers — that's 12% of the dormant segment. Those reactivated subscribers had an average open rate of 38% in the following month, compared to the brand's overall average of 22%. Luna: So the recovered subscribers were actually more engaged than the active list on average. That's interesting — it suggests the ones who come back are genuinely interested, not just passive. Lucas: Exactly. And they also cleaned out about 9,200 subscribers who didn't respond — that's 23% of the dormant segment. Those were removed from the list entirely, which improved the brand's overall deliverability metrics. Luna: Which means fewer bounces, fewer spam complaints, and better inbox placement for the emails that do go out. It's a double win: you either re-engage them or you remove the dead weight. Lucas: Right. But here's the nuance that I think a lot of marketers miss. The brand also segmented the dormant subscribers by their original acquisition source. So they looked at whether someone came in via a lead magnet, a purchase, a webinar, or a contest. Luna: That makes sense. Someone who signed up for a freebie and never bought is probably a different case than someone who bought three times and then went silent. Lucas: Exactly. And the data confirmed it. Subscribers acquired through purchase had a 22% reactivation rate, while those from a lead magnet or contest had only about 8%. So the brand tailored the messaging accordingly — for purchase-acquired subscribers, they led with product updates and loyalty perks. For lead-magnet subscribers, they led with new educational content. Luna: That's a great example of segmentation within the re-engagement campaign itself. It's not just one 'we miss you' for everyone — you're meeting them where they came from. Lucas: And the timing matters too. Bloom Beauty tested sending the first email at 90 days of inactivity versus 180 days. The 90-day group had a higher reactivation rate — 16% versus 12% — but also a higher unsub rate. So there's a trade-off: earlier outreach gets more people back, but it also annoys some. Luna: So you have to balance the value of the subscriber versus the risk of irritating them. For a high-value segment, maybe 90 days makes sense. For a low-value segment, you can afford to wait longer. Lucas: Precisely. And that's where the acquisition source segmentation becomes even more powerful. For the purchase-acquired subscribers, the 90-day touchpoint had a 26% reactivation rate — much higher than the average. So they actually moved their high-value segment to a 90-day trigger. Luna: I love that they iterated based on data. Too many brands set a re-engagement schedule once and never revisit it. Lucas: Right. And the last piece I want to highlight is the subject line testing. They tested three approaches for the first email: the discount offer we mentioned, a curiosity-driven subject like 'We've been thinking about you', and a social-proof angle like 'Join 10,000 others who love Bloom Beauty'. Luna: Which one won? Lucas: The discount offer had the highest open rate at 24%, followed by the curiosity subject at 18%, and social proof at 14%. But the click rate told a different story — the discount offer had a 4.5% click rate, while the curiosity subject had only 2.1%. So the discount not only got more opens, but more of those opens led to actual engagement. Luna: That makes sense. If someone's been gone for six months, a vague 'we've been thinking about you' might not be enough to get them to click. But a clear offer gives them a reason to act. Lucas: Exactly. And the beauty brand used that insight to refine their overall re-engagement strategy. They now run a quarterly sunset campaign that's segmented by acquisition source and triggered at 90, 180, or 365 days depending on the value of the segment. Luna: So it's not a one-time cleanup — it's an ongoing process. That's the key takeaway: re-engagement shouldn't be a campaign, it should be a system. Lucas: Exactly. And the results speak for themselves. Over the course of a year, Bloom Beauty saw a 15% improvement in overall deliverability, a 10% lift in average open rates, and a 5% increase in revenue from email — partly because their list was cleaner and partly because the reactivated subscribers were more engaged. Luna: That's a solid ROI for what amounts to a few automated emails and some segmentation logic. I'm curious — did they track whether reactivated subscribers eventually lapsed again? Lucas: Good question. They did. About 30% of the reactivated subscribers went dormant again within six months. But that's actually lower than the 45% re-lapse rate they saw before they started segmenting by acquisition source. So the segmentation helped retain more of the reactivated group. Luna: So it's not a magic bullet, but it's a significant improvement. And it gives you a clear second chance to win them back or remove them. Lucas: Right. And I think the broader lesson here is that re-engagement is as much about list hygiene as it is about recovering subscribers. The act of cleaning out the non-responders improves your metrics across the board, which makes every other email campaign more effective. Luna: So if a listener is looking at their own list today, what's the one thing they should do first? Lucas: Pull your dormant segment — anyone who hasn't opened in six months — and segment it by acquisition source. Then design a three-email sequence with a clear incentive, a value reminder, and a sunset notice. Test the timing, test the subject lines, and commit to running it quarterly. That alone will put you ahead of most brands. Luna: Solid advice. And if anyone wants to go deeper, we'll link to Bloom Beauty's full case study in the show notes — though we've covered the key numbers here. Lucas: Exactly. Next episode, I want to look at how one brand used a 'preference center' not just to reduce churn, but to actually increase engagement by letting subscribers choose their email frequency. That data set had some surprising results. Luna: Looking forward to it. For now, thanks for listening, and keep those lists clean.