A client came to us with a problem they didn’t know how to frame: they had roughly two thousand contacts sitting in their CRM — people who had signed up, downloaded something, or made an enquiry over the past three years — and they hadn’t emailed any of them in over eight months. The list existed. It just wasn’t doing anything.
Their instinct was to send a single „we’re back” broadcast and see what happened. We talked them out of it. Here’s what we did instead, and why it worked.
The First Problem: Not All Dormant Contacts Are the Same
Before writing a single word of copy, we audited the list. Two thousand contacts sounds like one audience. In practice, it was four very different ones:
- Past customers — people who had actually bought or contracted the client’s service at some point
- Warm leads who never converted — had enquired or booked a call but didn’t move forward
- Content downloaders — grabbed a free resource, gave an email, and never engaged beyond that
- Cold unknowns — in the system but with no clear origin or interaction record
Sending the same message to all four groups would have been the wrong move. A past customer doesn’t need to be introduced to the brand. A cold unknown probably does. Treating them identically would either bore one group or confuse the other.
We split the list into these four segments and built a separate email sequence for each — different tone, different entry point, different call to action.
The Sequence Structure
Each segment received a three-email sequence over twelve days. The pacing was deliberate: enough time between sends to avoid feeling like a pressure campaign, short enough to keep continuity.
Email 1: Acknowledge the Gap
For every segment, the first email opened honestly. We didn’t pretend no time had passed. For past customers, the message referenced their previous experience with the client directly. For warm leads, it acknowledged that the timing might not have been right before. For content downloaders, it connected back to the topic they had originally shown interest in.
No hard sell. No offer. The goal of the first email was simply to re-establish recognition and give people a reason to keep reading.
Email 2: Deliver Something Useful
The second email was pure value — a short, specific piece of content relevant to what that segment cared about. For the past customers segment, this was a brief overview of what had changed or improved in the client’s service since they last engaged. For the warm leads, it was a case study that addressed the most common objection that had previously stopped them from moving forward.
This email also included a light, low-friction call to action: a link to a relevant blog post, or an invitation to reply with a question. Nothing that required a commitment.
Email 3: The Soft Offer
The third email made an offer — but deliberately not the client’s main service. We recommended a lower-commitment next step: a free 20-minute diagnostic call framed as a check-in rather than a sales meeting, or access to a short self-assessment tool the client had built.
The framing mattered here. „Book a call so we can pitch you” gets ignored. „Spend 20 minutes with us and leave with a clear picture of where your current approach is losing you money” gives the contact a concrete reason to say yes.
What We Did Before Sending Anything
A few technical steps happened before the first email went out:
- List cleaning: We ran the full list through an email verification tool to remove hard bounces, invalid addresses, and obvious spam traps. Sending to a dirty list damages deliverability — the emails that matter won’t land in inboxes if you’ve burned your sender reputation first.
- Suppression of recent unsubscribes: Anyone who had previously opted out was removed before segmentation, not after.
- Warm-up sending: Rather than sending to all two thousand contacts on day one, we staggered delivery — starting with the most engaged historical segments and expanding over several days. This helped maintain strong open rates early, which signals to email providers that the content is wanted.
The Outcome
We’re keeping the specific numbers confidential, but the pattern was consistent with what we’ve seen on similar projects: the past customer segment reactivated at the highest rate by a significant margin, the warm leads segment generated the most booked diagnostic calls relative to its size, and the cold unknowns segment — predictably — performed the worst but still produced a small number of meaningful re-engagements that wouldn’t have happened with a single broadcast.
The content downloader segment was the most surprising. Several contacts who had shown almost no prior engagement beyond the initial download responded to the second email — the value-first one — and moved into an active conversation with the client’s sales team.
The Principle Behind It
A dormant contact list isn’t a dead asset — it’s a group of people who already expressed some interest in what you do. The job of a reactivation sequence isn’t to convince them to become customers from scratch. It’s to find out which ones are ready now, which ones need a bit more time, and which ones have genuinely moved on.
Segmentation and a lower-commitment offer do most of that work. A single broadcast to the whole list does almost none of it.
If you have a contact database that’s been sitting unused, the worst outcome is usually not that you send to it — it’s that you send to it badly and permanently damage your deliverability in the process.
If you’d like to talk through what a reactivation approach might look like for your specific list, get in touch with us here. We can usually identify the most viable segments and the right entry point within the first conversation.
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