What’s new
* Bundle Letsencrypt for older Android versions
Quick answer
Simple and maintainable Android e-mail client
Proof of concept e-mail (JMAP) client (pronounced "Letters"). Makes heavy use of Android Jetpack to be more maintainable than some of the other Android e-mail clients.
Features, and design considerations:
* Heavily cached, but not fully offline capable. Ltt.rs makes use of JMAP’s great caching capabilities. However, marking a thread as read does a round-trip to the server to update things such as read count. The action itself won’t get lost even if performed offline. * Account setup and done. Settings invite feature creep and its friend unmaintainability. There is one specific work flow. K-9 Mail or FairEmail is more suitable for others. * Minimal dependencies. Only widely known, highly tested libraries from reputable vendors. Third-party libraries are often of poor quality, and end up unmaintained. * First class Autocrypt. Ltt.rs fits right into its strict UX guidelines. * Based on jmap-mua, a headless e-mail client, or a library that handles everything an e-mail client would, aside from data storage and UI. There is also lttrs-cli, which uses the same library. * Looks to Gmail for inspiration in cases of uncertainty.
Screenshots
How to install
- Download the APK from the button at the top of this page.
- Allow “Install unknown apps” for your browser or file manager only, not for every app.
- Open the downloaded file and confirm the installation.
- If installation fails with “App not installed,” remove an earlier build of the same app first. A signature conflict is the usual cause.
Data safety
- Every file is checked against its published SHA-256 before it is listed.
- Files are scanned for malware on every update.
- The permissions each app requests are listed on its own page.
- Read the full safety policy for how we test, flag, and delist files.
Frequently asked questions
What is Ltt.rs?
Simple and maintainable Android e-mail client
Who develops Ltt.rs?
Ltt.rs is developed by Daniel Gultsch.
Which Android version does Ltt.rs require?
Ltt.rs requires Android API 23 or later.
What is the current version of Ltt.rs?
The synchronized F-Droid version is 0.4.4.
Which license does Ltt.rs use?
The signed F-Droid metadata lists Apache-2.0.
Where is the source code for Ltt.rs?
https://codeberg.org/iNPUTmice/lttrs-android
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