Litmus - State of Email Report

Table of contents

New email clients, apps, and operating systems .................................................................... 05

Email client updates, changes, and farewells ............................................................................ 11

Email client market share .............................................................................................................. 33

Email industry news ........................................................................................................................ 45

Email deliverability, security, and spam news ........................................................................... 54

Email marketing trends .................................................................................................................. 65

Litmus overview ............................................................................................................................... 81

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