The latest version of Aster Mail: Encrypted Email APK (v1.0.15) is available to download. Private email app with end-to-end encryption, aliases, and custom domains This app works on Android phones and tablets.

About Aster Mail: Encrypted Email APK
Aster Mail is a private, encrypted email app for astermail.org accounts. Your messages are encrypted on your device before they leave it. The server stores ciphertext and nothing else, so nobody at Aster can read your mail, scan it, or sell what is in it. There are no ads, no trackers, and no analytics anywhere in the app. Private by design – End-to-end encryption between Aster users, using a post-quantum ratchet protocol – Zero-access architecture: the server holds only encrypted content – No ads, no tracking, no telemetry, no profiling – Open source under AGPL-3.0, so anyone can audit what the app does Email aliases – Create an alias for each site you sign up for, and turn one off when it starts getting spam – See which alias a message arrived on, right in the message list – Import and export your aliases Your own domain – Send and receive on a custom domain, with DKIM signing handled for…
Aster Mail: Encrypted Email APK was developed by Aster Communications Inc. and is available under the AGPL-3.0-or-later open-source license. This means the source code is public and anyone can inspect it. If you like Email apps, you can also browse more apps in this category.
Aster Mail: Encrypted Email APK Information
| App Name | Aster Mail: Encrypted Email |
| Package | org.astermail.android |
| Version | 1.0.15 |
| Size | 22 MB |
| Requires | Android 8.0 and up |
| Category | |
| Developer | Aster Communications Inc. |
| License | AGPL-3.0-or-later |
| Source | F-Droid |
| Last Updated | November 4, 2026 |
Download Aster Mail: Encrypted Email APK v1.0.15
How to Install Aster Mail: Encrypted Email APK on Android
- Download the Aster Mail: Encrypted Email APK file using the button above.
- Open your phone Settings and allow “Install unknown apps” for your browser or file manager.
- Tap the downloaded APK file and press Install.
- After installation, open Aster Mail: Encrypted Email from your app drawer.
Why Download Aster Mail: Encrypted Email APK from Here?
We link Aster Mail: Encrypted Email APK directly from F-Droid, so the file is original and we make no changes to it. Whenever a new version is released, this page is updated automatically, so you always get the latest Aster Mail: Encrypted Email APK.
Frequently Asked Questions
Is Aster Mail: Encrypted Email APK free?
Yes, Aster Mail: Encrypted Email APK is free and available under the AGPL-3.0-or-later open-source license.
Is Aster Mail: Encrypted Email APK safe?
This file comes from the official F-Droid repository, where apps are open source and their source code is public. Still, always check an app’s permissions before installing it.
Which Android version does Aster Mail: Encrypted Email APK need?
Aster Mail: Encrypted Email APK requires Android 8.0 and up to run.
What is the latest version of Aster Mail: Encrypted Email APK?
The latest version is 1.0.15, updated on November 4, 2026.
Official page: Aster Mail: Encrypted Email official website / source
