“Third-party email clients for iOS are not capable of the encryption and decryption processes ProtonMail performs to keep your data safe.”Īlthough you can’t use ProtonMail in the Mail app, you can sign into your account via your web browser. On its website, the company explained said it believes that: Proton made the decision not to integrate its mailing service with any third-party mail apps for iOS. Why Can’t You Use ProtonMail With the Mail App? At the time of writing in December 2022, ProtonMail does not work with the Mail app. But if you want to switch to ProtonMail, we’ve got some bad news. If you already use another email domain, such as Outlook or Gmail, you might use the Mail app. ProtonMail: A Handy and Secure Email App for Your iPhone.Does ProtonMail Integrate With Other Proton Apps?.What Can You Do With ProtonMail on iOS?.Can I Use ProtonMail in Other Languages?.How to Sign Up for a ProtonMail Account on Your iPhone.Why Can’t You Use ProtonMail With the Mail App?.Can You Use ProtonMail on the Mail App?.

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