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The Ultimate Email Checklist: 29 Things to Check Before You Send

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Email read rate/read time. Spam complaint rate. Churn rate. If you’ve determined your KPI to be open rate, you should consider the impacts of Mail Privacy Protection (MPP) inflating opens on Apple devices for those who’ve opted in. Revenue per email (RPE). Revenue per subscriber (RPS).

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Holistic Email Metrics Matrix: Are You Seeing the Whole Picture?

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Apple’s Mail Privacy Protection will make the open rate increasingly difficult to rely on. List growth and churn rate. Inactivity rate. While still useful in some cases—like measuring interactive emails , awareness, or readership—you’ll want to start looking at email engagement in new ways.

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20 Email Metrics & KPIs to Measure Success and Drive Action

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There’s a reason many call the open rate a vanity metric. And with Apple’s Mail Privacy Protection on the horizon, the open rate for your Apple Mail users may be overinflated (and useless). Alternatively, you could look at churn rate which measures how many people are removed or suppressed from your email list.