thunderbird-android README

The project's README from github.com/thunderbird/thunderbird-android. As one markdown file: README.md.

Thunderbird for Android

Get it on Google Play Get it on F-Droid Get it on Obtainium Latest release Latest beta release

Thunderbird for Android is a powerful, privacy-focused email app. Effortlessly manage multiple email accounts from one app, with a Unified Inbox option for maximum productivity. Built on open-source technology and supported by a dedicated team of developers alongside a global community of volunteers, Thunderbird never treats your private data as a product.

Thunderbird for Android is based on K-9 Mail, which comes with a rich history of success and functionality in open source email.

Download

Thunderbird for Android can be downloaded from a couple of sources:

By using Thunderbird for Android Beta, you have early access to current development and are able to try new features earlier.

Check out the Release Notes to find out what changed in each version of Thunderbird for Android.

The SHA-256 fingerprints for our signing certificates are available in SECURITY.md.

Need Help? Found a bug? Have an idea? Want to chat?

If the app is not behaving like it should, or you are not sure if you've encountered a bug:

If you are certain you've identified a bug in Thunderbird for Android and would like to help fix it:

If you have an idea how to improve Thunderbird for Android:

The Thunderbird Community uses Matrix to communicate:

Roadmap

To learn more about all the wonderful things planned for this year please see our roadmap. The core team's day to day activities are additionally tracked in our sprint board.

Contributing

We welcome contributions from everyone.

Engineering Process

We use a structured engineering process to propose, decide, and deliver technical changes. This includes:

You can find more information in the docs/engineering directory.

We encourage team members and contributors to read through our engineering documentation to understand the processes and decisions that have shaped this project so far.

K-9 Mail

In June 2022, K-9 Mail joined the Thunderbird family as the foundation for Thunderbird on Android. Since then, we’ve been updating both apps to give users the same solid experience, so it’s normal to notice that K-9 Mail and Thunderbird look and feel nearly identical. They’re built on the same code, and that’s intentional. You'll notice some features are selectively enabled for Thunderbird as opposed to K-9 Mail, usually when they are simply a better fit for Thunderbird (like the import from K-9 functionality).

If you prefer the robot dog and would like to keep K-9 Mail around, you can find it here:

Forking

If you want to use a fork of this project please ensure that you replace the OAuth client setup in the app-k9mail/src/{debug,release}/kotlin/app/k9mail/auth/K9OAuthConfigurationFactory.kt and app-thunderbird/src/{debug,daily,beta,release}/kotlin/net/thunderbird/android/auth/TbOAuthConfigurationFactory.kt with your own OAuth client setup and ensure that the redirectUri is different to the one used in the main project. This is to prevent conflicts with the main app when both are installed on the same device.

License

Thunderbird for Android is licensed under the Apache License, Version 2.0.

thunderbird-android (thunderbird/thunderbird-android)

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What is this?Thunderbird for Android is an open-source, privacy-focused email app that lets you manage multiple accounts from one place with a Unified Inbox option; it's built on the former K-9 Mail codebase.
What should I watch out for if I fork this project?You have to replace the OAuth client configuration in the K9OAuthConfigurationFactory.kt and TbOAuthConfigurationFactory.kt files with your own credentials and use a different redirect URI, otherwise it conflicts with the official app.
Is this available for iOS too, or just Android?It's Android-only; the name and the whole repo are specifically for the Android client, with no iOS version mentioned.
How does it handle my private data?The project is explicitly privacy-focused and states it never treats user data as a commercial product.
What's the difference between Thunderbird for Android and K-9 Mail?They share the same codebase and look nearly identical, but a few features like importing accounts from K-9 are enabled only in Thunderbird; K-9 Mail remains available separately for those who prefer it.
What is the Unified Inbox?It's a single view that merges messages from all your configured email accounts instead of making you switch between each account's inbox.
Why would I use the Beta instead of the stable release?The Beta track gives early access to in-development features before they land in the stable Google Play/F-Droid release.
What happened to K-9 Mail?K-9 Mail joined the Thunderbird family in June 2022 and became the foundation for Thunderbird on Android; both apps are now updated in parallel from the same code.
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