Compatible Web Browsers

For the best user experience, please use a modern and up to date web browser and allow JavaScript and Cookies while visiting https://login.mailbox.org/. Please make sure to regularly update your browser, as this enables you to use the latest encryption methods.

Our recommendations for Linux, Mac, iOS, and Windows

• Mozilla Firefox or Mozilla Firefox ESR
• Chromium-based like Brave or Chromium
• Apple Safari (macOS and iOS)
• Microsoft Edge

Minimum screen resolution for desktop devices is 1024x768 pixels.

Our recommendation for Android

Please be advised that the mobile version of the mailbox office does not offer all available functionalities. Hence, we recommend the usage of dedicated e-mail clients on Android devices:

• Thunderbird Mobile - This guide explains how to set up your mailbox account in the Thunderbird Mobile app on an Android device.
• FairEmail or other common mail clients may also work

For the use of a mobile browser we recommend:

• Chromium-based browsers, like Brave or Vanadium

The German internet-security expert Mike Kuketz has more advice, which can be found at this Link: Android Apps: Browsers and E-Mail Client (German). Many of our advanced users follow his recommendations - however, we do not provide support for third-party apps.