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title | date | description |
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Delta Chat | 2023-01-11T17:15:31+03:00 | Delta Chat is an encrypted messaging app that uses email as transport. |
{{% pageinfo %}} This article is a stub. More information will be added soon. {{% /pageinfo %}}
Messengers like Telegram, Signal, Whatsapp can't be private due to the peculiarities of architecture - centralization. And peer-to-peer (p2p) services like tox consume too many resources and are inconvenient to use on a mobile device. The best solution is to use our own server.
- Delta.Chat - uses your personal email server
- Matrix - promising development, will be added to SelfPrivacy after stabilization.
- XMPP/IRC - great candidates, will probably be added to SelfPrivacy later.
- Rocket.Chat, Zulip, Mattermost - no convenient way to communicate between servers.
Typical data leaks when using alien servers
- IP once per minute. Helps determine your location: at home, away from home, at work.
- The content of your messages.
- Meta-information: with whom and when you communicated, even if you use encryption.
Features of Delta.Chat
- Regular email client with all the features of IM.
- Reliable end-to-end encryption (e2e), provided a personal [email server]({{< ref "email.md" >}}) is used by both interlocutors or a personal key exchange, such as via QR code.
- Can use any email server, but then you lose control over the meta-information and risk key-swapping man-in-the-middle attack.
- Slightly slower than usual messengers
- First message is not encrypted because public encryption keys are sent with it.
- There are problems with sending files > 5-7MB.
- There are no convenient channels. We recommend using [decentralized social network]({{< ref "pleroma.md" >}})