Litmus: Email Client Market Share in November 2021: Mail Privacy Protection (MPP) Adoption Increases

Litmus just shared another brilliant write-up:

We’re back! It’s that time of the month where we recap the shifts that took place with email client market share last month. Let’s take a look at what happened in November 2021. Top email clients If you’ve been following along, you’ll recall that last month we introduced a new grouping for Apple clients. Apple iPhone (iOS Mail), Apple Mail (macOS Mail), Apple iPad (iPadOS Mail), and Apple Mail Privacy Protection (MPP-impacted opens) will now be listed under “Apple”. To learn why, head over to our blog on email client market share. And before we dive in, two key things we always like to note: 1) MPP hides device data so we can’t differentiate between iOS, iPadOS, or macOS, and 2) the new OSes also don’t differentiate between MPP and non-MPP in the user agent data it passes. With that, the top 3 email clients for November 2021 are Apple,…

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