How do you exclude unengaged users from automation?

Your automation is only as healthy as the audience it's sending to. If you're running flows that fire at anyone who subscribed six months ago and hasn't opened since, you're not nurturing leads. You're feeding your sender reputation into a shredder.

The first challenge is defining what "unengaged" actually means for your business. There's no universal answer, and the window varies a lot by industry. E-commerce senders often see natural buying cycles stretch to 90 or even 120 days. SaaS companies might consider 45 days of silence a warning sign. Media and newsletters tend to feel the pain faster, around 30 to 60 days. Pick a window that reflects how your audience typically behaves, not someone else's benchmark.

Opens alone are a shaky signal these days. Apple Mail Privacy Protection pre-loads images for many users, which inflates open rates significantly. Someone might look "engaged" in your dashboard but haven't actually read your emails in months. So don't lean only on opens. Use a combination of signals instead: clicks, purchases, site visits, and login activity if you have access to it. A click is worth far more than an open right now.

Once you've defined what disengaged looks like, you have three tools to work with:

• Entry filters. Block unengaged subscribers from entering a flow in the first place. Something like "only enter if clicked in the last 60 days" keeps dormant contacts out without any ongoing maintenance.
• Dynamic suppression segments. These update automatically. Build a segment of subscribers with no engagement in 90 days and suppress them across your lower-priority flows. When they re-engage, they drop off the suppression list.
• Engagement score thresholds. Require a minimum score to trigger an automation. This is the most nuanced approach because it combines signals rather than relying on a single metric.

The graduated approach is worth thinking through carefully. Not all unengaged subscribers are in the same boat. Someone who clicked three months ago but hasn't opened since is different from someone who hasn't touched a single email in a year.

• Moderately disengaged (30 to 60 days). Reduce frequency. Pull them from lower-priority automations but keep them in high-value ones.
• Significantly disengaged (60 to 90 days). Route them into a dedicated re-engagement flow before giving up. A short series asking if they want to stay subscribed can recover some of these people.
• Persistently disengaged (90+ days with no response to re-engagement). Suppress. Remove them from all marketing automations. You're not losing them forever, just stopping the damage they're doing to your reputation while they sit there unresponsive.

One thing people forget: suppressing unengaged contacts doesn't mean deleting them. You can always run a one-off win-back campaign to a suppressed segment, measure who responds, and reactivate those people. The ones who don't respond are giving you a clear answer. Respect it.

If you're not sure your list is clean enough to even start building these filters, our RME Clean service can help you identify who's worth keeping before you build flows around the wrong audience. Or if you want to think through the right engagement window for your specific setup, the SOS hotline is free.