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Eppie-App

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Eppie — open protocol encrypted p2p email

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# Eppie — open protocol encrypted p2p email

[![LicenseBadge](https://img.shields.io/github/license/Eppie-io/Eppie-App.svg)](https://raw.githubusercontent.com/Eppie-io/Eppie-App/main/LICENSE)
[![Build and Test](https://img.shields.io/github/actions/workflow/status/Eppie-io/Eppie-App/build.yml?logo=github&branch=main&event=push)](https://github.com/Eppie-io/Eppie-App/actions/workflows/build.yml?query=branch%3Amain+event%3Apush)
[![Crowdin](https://badges.crowdin.net/e/8fee200a40ee70ffd3fa6b7d8d23deee/localized.svg)](https://eppie.crowdin.com/eppie)
[![GitHub release downloads](https://img.shields.io/github/downloads/Eppie-io/Eppie-App/total)](https://github.com/Eppie-io/Eppie-App/releases)

[![Release](https://img.shields.io/github/v/release/Eppie-io/Eppie-App)](https://github.com/Eppie-io/Eppie-App/releases/latest)
[![eppie](https://snapcraft.io/eppie/badge.svg)](https://snapcraft.io/eppie)

## Intro
![Eppie](https://raw.githubusercontent.com/Eppie-io/Eppie-App/main/screenshots/Eppie.png)
[Eppie](https://eppie.io) is a next-gen _providerless_ email that allows its users to own their accounts, addresses and data. In addition to its own p2p network Eppie can communicate with other popular decentralized networks, like Ethereum, and is capable of interacting with conventional IMAP/SMTP email. It is beautiful and easy to use, just like a normal email client.

## Motivation

Out of 4+ billion email accounts in the world, about 0 belong to users.

A typical mailbox contains all sorts of important private information of our business and social activity, finance, health, consumer behaviour etc. Furthermore email is the primary identity provider in the modern Internet. We use our email address to log in to hundreds of other services. Email is the core of our digital identity. Yet we do not own it. It is controlled by a server and therefore belongs to the technology provider. The server decides whether to allow us to use our identity or not. This is a privacy violation by design. Identity naturally belongs to human, it should not be a service.

At its core, the users' confidence that their data is accessible to them, and not to anyone else, relies on trust in the service. Privacy based on trust is weak. In Eppie mailbox belongs exclusively to the owner of the private key. Eppie operates autonomously in a p2p networks There are no servers or other authorities 'providing the service' and therefore controlling the data. Nobody has access to data, even us, the developers. The system relies solely on strong cryptography and the decetralized architecture.

## Features

Eppie is early in development. In stable releases, the decentralized p2p network is not enabled yet, so it currently works as a conventional email client with additional security features. Experimental decentralized functionality is available in the Testnet builds described below:

- Compatible with Gmail, Microsoft Outlook and other major email providers.
- Eppie can authenticate at Proton Mail servers (which no other native desktop client can do, as far as we are aware).
- PGP encryption is supported.
- Local account created with [BIP39 standard](https://bitcoinwiki.org/wiki/mnemonic-phrase) Seed-Phrase.
- Encrypted local backup.

## Screenshots

<details>
  <summary>Linux</summary>
  <img src="/screenshots/Linux/Eppie1.png" alt="Main Page"/>
  <img src="/screenshots/Linux/Eppie2.png" alt="Services"/>
  <img src="/screenshots/Linux/Eppie3.png" alt="Mailbox Settings Page"/>
</details>

<details>
  <summary>macOS</summary>
  <img src="/screenshots/macOS/Eppie.png" alt="Main Page"/>
</details>

<details>
  <summary>Windows</summary>
  <img src="/screenshots/Windows/MainPage.png" alt="Main Page"/>
  <img src="/screenshots/Windows/Settings.png" alt="Settings Page"/>
</details>

## Get Eppie

### Stable releases

Stable releases are intended for everyday use and are distributed through app stores.

At the moment, the stable channel provides the classic Eppie email client experience.

[![Get it from the Snap Store](https://snapcraft.io/en/light/install.svg)](https://snapcraft.io/eppie)

App Store and Google Play: WIP

### Testnet builds

Testnet builds are distributed through GitHub Releases only and are intended for early adopters.

They include the first decentralized version of Eppie running on testnet.

#### Windows

- [**[Recommended] Eppie.App-x86-x64-ARM64.msixbundle**](https://github.com/Eppie-io/Eppie-App/releases/latest/download/Eppie.App-x86-x64-ARM64.msixbundle) (UWP)
- [Eppie.App.WinAppSDK-x86-x64-ARM64.msixbundle](https://github.com/Eppie-io/Eppie-App/releases/latest/download/Eppie.App.WinAppSDK-x86-x64-ARM64.msixbundle) (Windows App SDK)
- [eppie.desktop-win-x64.zip](https://github.com/Eppie-io/Eppie-App/releases/latest/download/eppie.desktop-win-x64.zip) (x64 binaries)

#### Linux

- [eppie.desktop-linux-x64.tar.gz](https://github.com/Eppie-io/Eppie-App/releases/latest/download/eppie.desktop-linux-x64.tar.gz) (x64 binaries)
- [eppie.desktop-linux-arm64.tar.gz](https://github.com/Eppie-io/Eppie-App/releases/latest/download/eppie.desktop-linux-arm64.tar.gz) (arm64 binaries)
- [eppie.desktop-snap-linux-x64.tar.gz](https://github.com/Eppie-io/Eppie-App/releases/latest/download/eppie.desktop-snap-linux-x64.tar.gz) (x64 snap package)
- [eppie.desktop-snap-linux-arm64.tar.gz](https://github.com/Eppie-io/Eppie-App/releases/latest/download/eppie.desktop-snap-linux-arm64.tar.gz) (arm64 snap package)

#### macOS

[![Get macOS testnet builds on TestFlight](https://img.shields.io/badge/TestFlight-Get%20macOS%20testnet%20builds-111111?style=for-the-badge&logo=apple&logoColor=white)](https://testflight.apple.com/join/7MuDNmyF)

Direct downloads from GitHub Releases:
- [Eppie-osx-arm64.app.zip](https://github.com/Eppie-io/Eppie-App/releases/latest/download/Eppie-osx-arm64.app.zip) (Apple Silicon app package)
- [Eppie-osx-x64.app.zip](https://github.com/Eppie-io/Eppie-App/releases/latest/download/Eppie-osx-x64.app.zip) (Apple Intel app package)

#### Android and iOS

WIP

## Build from Source Code

### Clone

```console
git clone --recursive https://github.com/Eppie-io/Eppie-App.git eppie-app
```

### Setting up the environment

Use the following [guide](https://platform.uno/docs/articles/get-started-vscode.html) to set up an environment for building Eppie in **VS Code** under Windows, Linux or macOS.  
For **Visual Studio**, use [this guide](https://platform.uno/docs/articles/get-started-vs-2022.html)  
To build the UWP project, use [Visual Studio](https://visualstudio.microsoft.com/) with installed component **WinUI application development &#10148; Universal Windows Platform tools**

### Build and Launch

To [debug Eppie](https://platform.uno/docs/articles/create-an-app-vscode.html?tabs=skia#debug-the-app) on Windows, macOS, and Linux.  
To [debug Eppie](https://platform.uno/docs/articles/create-an-app-vs2022.html?tabs=desktop#debug-the-app) with **Visual Studio**.

To run the UWP project, open `src/Eppie.App/Eppie.App.slnx` file in **Visual Studio** and select `Eppie.App.UWP` as your startup project.

To create Eppie packages, refer to [these instructions](https://platform.uno/docs/articles/uno-publishing-overview.html).

## Planned Features

As the project matures more features will be added, including but not limited to

- Creating a decentralized Eppie account
- Encrypted p2p messaging
- Encrypted decentralized backup
- Connecting existing decentralized identities, e.g. [ENS](https://ens.domains/)

## Technology Stack

At launch Eppie will store the data using [IPFS](https://github.com/ipfs/ipfs) infrastructure, and the transport layer will work through [SBBS](https://github.com/BeamMW/beam/wiki/Secure-bulletin-board-system-%28SBBS%29). With that being said, the architecture allows to easily plug in multiple storage and transport technologies. Eppie's e2e encryption is based on [Elliptic-curve](https://en.wikipedia.org/wiki/Elliptic-curve_cryptography) cryptography. GUI application is being written in C# with [Uno](https://github.com/unoplatform/uno), and [CLI](https://github.com/Eppie-io/Eppie-CLI) is pure C#. Eppie targets Windows, macOS, Linux, iOS, and Android platforms.

## Contribution

First of all this is a pretty ambitious project and we are grateful beyond measure for every bit of help from our community. If you decide to contribute, please create an issue first, or find an existing one, unless it's a very minor fix, like a typo.

[Here](https://eppie.crowdin.com/eppie) you can help Eppie with localization.

Also, feel free to [subscribe](https://eppie.io) to our waiting list. We might invite you for an interview or beta testing.

Eppie-App

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