How do I win back subscribers who haven't clicked, replied or bought anything in six months?

Treat this as a short, permission-focused win-back test, not a regular promo blast. Six months is a reasonable trigger for many lists, but inactivity depends on how often you email and what subscribers signed up for. (mailchimp.com)

1. Build the right segment

Include people who consented to marketing and have had no meaningful activity for six months—no clicks, replies, or purchases. If you send regularly, use opens only as a secondary signal: they can be unreliable, and some people may still engage with your brand through other channels. Exclude anyone who unsubscribed, bounced, or complained.

2. Send a simple two-email sequence

Space the messages about a week apart, and stop the sequence as soon as someone clicks, replies, or buys.

Email 1 — remind them why they subscribed

• Subject: “Still want [benefit] from us?”
• Briefly remind them what you offer.
• Share one genuinely useful, relevant item—not a roundup of promotions.
• Give them one clear action: “Yes, keep me subscribed” or “Update my preferences.”
• Make unsubscribing easy.

Email 2 — close the loop

• Subject: “Should we stop emailing you?”
• Say plainly that you’ll stop sending marketing emails if they don’t respond.
• Include the same keep-me-subscribed action.
• A relevant perk or offer can help, but don’t make a large discount the only reason to stay.

3. Suppress non-responders

After the sequence, stop marketing to people who remain inactive. Suppression is usually safer than deleting them: you retain the record so they aren’t accidentally re-added. Successful win-back campaigns often recover only a minority of inactive contacts, so measure clicks, replies, and purchases, not opens alone. (mailchimp.com)

4. Protect deliverability

Send only to your own permission-based list, make opt-out obvious, and monitor complaints and bounces. Google’s sender guidance includes a spam-rate threshold of 0.3% for bulk senders to Gmail, so avoid repeatedly mailing people who show no interest. (support.google.com)

Example copy

Subject: Still want to hear from us?
It’s been a while since you’ve clicked or purchased. We’d be glad to keep sending you [specific benefit].

[Yes, keep me subscribed] · [Update my preferences]

If you don’t respond, we’ll stop sending you marketing emails. You can unsubscribe anytime.

If you share your business type and how often you email, I can tailor the sequence and offer.

Treat this as a short, defined sequence with a firm end point. Most of the win-back comes from the first two or three emails, and the rest is list hygiene.

1. Confirm the segment first. Use clicks and purchases rather than opens. Opens are unreliable because of Apple's privacy features, so one source advises that do not rely on opens alone, especially where tracking consent or Apple Mail Privacy Protection affects accuracy. Another recommends that clicks as the primary engagement signal in 2026, with opens as a secondary indicator. Also segment by how long they've been inactive, since you might segment based on the amount of time they've been inactive.

2. Send a sequence of 2–3 emails, not one. A re-engagement sequence typically has 2-5 emails with different messages but with the same purpose. Space them out. One guide suggests two or three messages, spaced over 2 weeks.

3. Write each email with a specific job:

• First email: a plain check-in. Mention what they originally signed up for and what has changed. It's not an accusation or complaint — just something you've noticed.
• Second email: lead with value, such as a useful resource, an exclusive piece, or an offer. Provide immediate value, like a discount, an exclusive piece of content, or an invitation to an event is a common approach.
• Third email: the direct opt-in ask. Tell them they'll be removed unless they confirm. Include a prominent, one-click 'Yes, keep me subscribed' button. A clean opt-out is better than a resentful spam complaint.

4. Give them other options besides leaving. Offer a lower frequency (weekly, monthly, or quarterly) or a pause. Letting subscribers control how often they hear from you can cut down unsubscribes, and even bring some back later.

5. Keep the tone respectful. Avoid guilt and urgency that feels manipulative. They should always avoid guilt-based messaging and naturally mention any noticed inactivity in a non-shaming way. Use one clear call to action per email, not several competing buttons.

6. Personalize where you can. A name is the minimum. Better is referencing products or topics they showed interest in before. Try including information about specific products/services that each inactive subscriber has previously shown an interest in.

7. Protect deliverability while you send. Send this segment at lower volume than your regular mail. One source suggests start with the most recently lapsed contacts (6–9 months inactive) before moving to longer-inactive segments. Check the results of each email before sending the next. If a group of addresses has shown no opens at all, consider suppressing that domain cluster from Email 2.

8. Set the stop rule before you start. Give every reactivation series a clear stop rule before the first message is sent. Then remove or suppress everyone who doesn't respond. Remove those who bounce or complain right away. An email re-engagement campaign is a structured 3-email sequence for inactive subscribers that recovers recoverable contacts and creates a clean, documented suppression for those who cannot be recovered.

9. Set expectations for results. A good reactivation campaign might win back anywhere from 5-15% of your inactive list; a great one might win back as many as 25%. The remaining contacts are usually not worth the deliverability cost of mailing them.

Compliance note: If you have subscribers in the EU or UK, document your policy. GDPR does not ban this by default. It requires a lawful basis, transparent notices, purpose limitation, data minimisation, and storage limitation. Have legal review it for your market.

To win back subscribers who have been inactive for six months, you should shift your focus from "selling" to re-establishing a relationship.

Because these subscribers are at high risk of hurting your sender reputation (which can cause your emails to land in spam folders for everyone else), you must handle them with a strategic, time-limited campaign before removing them from your list.

1. The Strategy: A "Win-Back" Sequence

Do not simply keep emailing them indefinitely. Instead, use a dedicated 3–4 email automated sequence. If they do not engage after this series, they should be removed.

• Email 1: The "We Miss You" Check-in
  • Goal: Reconnect on a human level.
  • Content: Keep it short, personal, and plain-text. Acknowledge that it has been a while and express that you want to ensure your content is still relevant to them.
  • Tone: Friendly and non-pushy. Avoid aggressive sales language.
• Email 2: The Value/Incentive Offer
  • Goal: Provide a tangible reason to return.
  • Content: Offer something of clear value—an exclusive discount, a "best of" content roundup, or a chance for them to update their preferences so they only receive what they actually want.
• Email 3/4: The "Final Chance" (Breakup) Message
  • Goal: Get a clear "yes" or "no".
  • Content: Be direct. Inform them that if they don't take action (e.g., click a link to stay subscribed), you will remove them from your list.
  • Action: If they ignore this, remove them.

2. Best Practices for Success

• Segment First: Never send re-engagement emails to your entire list. Create a specific segment for contacts who haven't opened or clicked in 6+ months.
• Prioritize Deliverability: Email providers (Gmail, Yahoo) track engagement. If you continue to send bulk emails to people who never open them, your "sender reputation" drops, and even your active fans may stop receiving your emails.
• Focus on Preferences: Sometimes subscribers go quiet because the frequency is too high or the content isn't relevant. Giving them the option to "choose their frequency" or "select their topics" is often more effective than a discount code.
• Why Removal is Good: Removing inactive subscribers is not a failure; it is a "list hygiene" necessity. It increases your open/click rates, lowers your costs, and ensures you are speaking to people who actually want to hear from you.

Summary Checklist

1. Identify: Segment everyone with zero activity in 6 months.
2. Automate: Trigger a 3-email "Win-Back" sequence.
3. Evaluate: Mark those who respond as "Active".
4. Purge: Permanently remove anyone who remains unresponsive after the final email.

Treat this as a short, respectful re-permission campaign—not a reason to keep mailing indefinitely. Six months without a click, reply, or purchase is a useful signal, but check for other meaningful activity too, such as recent site visits or customer-service interactions.

A simple plan

1. Split the group. Separate past buyers from subscribers who’ve never bought, and exclude anyone who has unsubscribed, complained, or bounced. Tailor the message to what each group originally signed up for.

1. Send one clear “still interested?” email. Remind them why they’re hearing from you, show what’s new or useful, and offer two obvious choices: Keep me subscribed (ideally to a preference page) or Unsubscribe. A discount can help for shoppers, but make it optional—not the whole pitch. Personalize using real purchase or signup history.

1. Send at most one follow-up a few days later to people who still haven’t acted. Keep it brief and say when you’ll stop emailing if they don’t opt in. Don’t rely on opens alone: privacy features can make open tracking unreliable; clicks and purchases are stronger signals.

1. Stop mailing the non-responders. Suppress or sunset them after the campaign rather than continuing regular promotions. This protects deliverability and keeps your list focused on people who want to hear from you. Re-engagement guidance commonly recommends a small number of touches, followed by suppression of people who remain inactive ⁵¹².

1. Check results and compliance. Track confirmed clicks, purchases, unsubscribes, and spam complaints. Make unsubscribing easy; Gmail requires one-click unsubscribe for marketing messages from bulk senders, and says senders should keep spam reports below 0.1% and prevent them from reaching 0.3% ¹². In the U.S., CAN-SPAM requires a clear opt-out method and says opt-out requests must be honored within 10 business days ⁴.

Example subject: Still want to hear from us?
Example copy: “You signed up to hear about [topic/product]. We’ve added [specific update]. Would you like to stay on the list? [Yes, keep me subscribed] · [Update my preferences] · [Unsubscribe]. If you don’t respond, we’ll stop sending marketing emails.”

Judge success by the people who take a meaningful action—not by how many addresses you manage to keep.