What’s a “re-engagement” trigger?

You've been sending emails to the same subscriber for months. They used to open everything. Now? Nothing. No opens, no clicks, no purchases. At some point you have to ask: are they still there, or are they just taking up space on your list?

That's exactly what a re-engagement trigger is built to detect. It fires when a subscriber crosses an inactivity threshold, meaning they haven't done something expected within a timeframe you define. When the trigger fires, a win-back sequence kicks off automatically.

The three most common inactivity signals are email inactivity (no opens or clicks), purchase inactivity (no orders beyond your typical purchase cycle), and visit inactivity (no website or app sessions in an unusually long time).

Here's the part most guides skip over: there's no universal "right" threshold. A daily news publisher might flag someone inactive at 30 days. A furniture brand where people buy once every few years might not flag inactivity until 18 months. Your threshold should reflect your normal engagement pattern, not someone else's template. Ask yourself how long an engaged subscriber typically goes between interactions, then add a buffer. That's your trigger point.

Once the trigger fires, your win-back sequence usually follows a pattern like this:

• Remind them why they signed up in the first place. A simple "We miss you" works better than you'd think.
• Offer an incentive if it fits your brand. A discount, exclusive content, or a free resource can nudge someone back.
• Ask for feedback. Sometimes "Is this still relevant to you?" gets a reply when nothing else does.
• Give them a clear out. A one-click "stay subscribed" button also lets the non-clickers self-identify as done. (That's actually useful data.)

Now if they still don't engage after the full sequence, that's your answer. Move them to a suppression list. Continuing to send to confirmed non-engagers hurts your sender reputation and inflates your list with subscribers who'll never convert. The kindest thing you can do for your deliverability is let those people go.

Re-engagement triggers serve two purposes at once: revenue recovery for the people who come back, and list hygiene for the ones who don't. Both outcomes are worth it.

If your list feels like it's overdue for a cleanup, we can help with that. RME Clean gives you back a clear picture of who's actually worth keeping in your automation flows.