#deltaChat

Adam JurkiewiczW dobie rosnących zagrożeń cyfrowych bezpieczne korzystanie z komputera to podstawa ochrony prywatności i danych osobowych.Więcej informacji 👉 <a href="https://lttr.ai/AheTh" rel="nofollow noopener" translate="no" target="_blank">https://lttr.ai/AheTh</a><a href="https://linux.social/tags/Wyzwanie5Krok%C3%B3w" class="mention hashtag" rel="nofollow noopener" target="_blank">#Wyzwanie5Kroków</a> <a href="https://linux.social/tags/cryptomator" class="mention hashtag" rel="nofollow noopener" target="_blank">#cryptomator</a> <a href="https://linux.social/tags/deltachat" class="mention hashtag" rel="nofollow noopener" target="_blank">#deltachat</a>

Delta ChatAs far as we know <a href="https://chaos.social/tags/deltachat" class="mention hashtag" rel="nofollow noopener" target="_blank">#deltachat</a> supports the widest range of old mobile devices. And it's real often hard work to achieve that. For example, on android three (!) rust/networking experts needed to huddle for many days to sort out "how to get own device IP addresses". They ended up implementing several mechanisns suitable for respective android versions. It became part of the <a href="https://mastodon.social/@n0iroh" class="u-url mention" rel="nofollow noopener" target="_blank">@n0iroh</a> network rust stack that powers Delta's integrated peer-to-peer <a href="https://chaos.social/tags/webxdc" class="mention hashtag" rel="nofollow noopener" target="_blank">#webxdc</a> realtime networking.

Werawelt<a href="https://social.heise.de/@heiseonline" class="u-url mention" rel="nofollow noopener" target="_blank">@heiseonline</a> ➡️ Wechseln zu Delta Chat. Einfacher geht's nicht: Profilname ausdenken, Anmelden auf vorkonfiguriertem, deutschen Server von Delta Chat (heißt nine.testrun.org); sofort chatten anonym und verschlüsselt. Metadaten fallen kaum an und werden nur für den verschlüsselten Transport kurzweilig verwendet. Keine Klarnamen, keine Telefonnummer nötig. Keine KI am werkeln. Delta Chat ist auch hier im Fediverse: <a href="https://chaos.social/@delta" class="u-url mention" rel="nofollow noopener" target="_blank">@delta</a> Es gibt keine privaten Profite dort. Kostenlos, Spenden erfreuen.Man kann noch mehr damit machen, aber der erste Einstieg ist einfach, sicher, anonym und verschlüsselt. Gibt's als App und für den Desktop. <a href="https://delta.chat/de/download" rel="nofollow noopener" translate="no" target="_blank">https://delta.chat/de/download</a> siehe dort auch unter Download-Optionen für andere Plattformen.<a href="https://social.tchncs.de/tags/deltachat" class="mention hashtag" rel="nofollow noopener" target="_blank">#deltachat</a> <a href="https://social.tchncs.de/tags/messenger" class="mention hashtag" rel="nofollow noopener" target="_blank">#messenger</a> <a href="https://social.tchncs.de/tags/unplugustech" class="mention hashtag" rel="nofollow noopener" target="_blank">#unplugustech</a>

Luis Ángel📊 4. Metadata Minimization & Burner Accounts <a href="https://mastodon.social/tags/DeltaChat" class="mention hashtag" rel="nofollow noopener" target="_blank">#DeltaChat</a>’s "burner accounts" auto-delete after set periods, disrupting <a href="https://mastodon.social/tags/social" class="mention hashtag" rel="nofollow noopener" target="_blank">#social</a> graph mapping. ETH Zurich notes: > "While metadata protection remains challenging, <a href="https://mastodon.social/tags/DeltaChat" class="mention hashtag" rel="nofollow noopener" target="_blank">#DeltaChat</a>’s decentralized provider model limits single-point surveillance" . ➤ Limitation: No perfect forward secrecy (PFS) due to PGP constraints .

Luis Ángel⚙️ 3. <a href="https://mastodon.social/tags/Federated" class="mention hashtag" rel="nofollow noopener" target="_blank">#Federated</a> Architecture with Centralized Core Unlike <a href="https://mastodon.social/tags/Matrix" class="mention hashtag" rel="nofollow noopener" target="_blank">#Matrix</a> / <a href="https://mastodon.social/tags/Signal" class="mention hashtag" rel="nofollow noopener" target="_blank">#Signal</a>, <a href="https://mastodon.social/tags/DeltaChat" class="mention hashtag" rel="nofollow noopener" target="_blank">#DeltaChat</a> avoids "coordinated upgrades" via its centralized Rust library. This enables: - Cross-compatibility with 500k+ devices - Interoperability with SMTP/IMAP servers (<a href="https://mastodon.social/tags/Gmail" class="mention hashtag" rel="nofollow noopener" target="_blank">#Gmail</a>, <a href="https://mastodon.social/tags/ProtonMail" class="mention hashtag" rel="nofollow noopener" target="_blank">#ProtonMail</a>) - Minimal metadata leakage (TLS-encrypted headers) ➤ Study: Song et al. (USENIX Security ’24) confirmed transport-layer security fixes .

Luis Ángel🔐 1. V2 Encryption: Mandatory E2EE & Audited Cryptography <a href="https://mastodon.social/tags/DeltaChat" class="mention hashtag" rel="nofollow noopener" target="_blank">#DeltaChat</a> V2 enforces end-to-end encryption by default, eliminating legacy "unencrypted chat" risks. The Rust-based core uses rPGP (audited OpenPGP library) with Ed25519 (same as Signal) and post-quantum algorithms. ETH Zurich’s 2024 audit fixed 20 vulnerabilities in SecureJoin/Autocrypt protocols . ➤ Security benefit: Protection against MITM attacks via QR-based verification . <a href="https://mastodon.social/tags/Cybersecurity" class="mention hashtag" rel="nofollow noopener" target="_blank">#Cybersecurity</a> <a href="https://mastodon.social/tags/Encryption" class="mention hashtag" rel="nofollow noopener" target="_blank">#Encryption</a>

Luis Ángel🔬 <a href="https://mastodon.social/tags/DeltaChat" class="mention hashtag" rel="nofollow noopener" target="_blank">#DeltaChat</a>: The Scientific Frontier of Decentralized Messaging (2025) Leveraging email infrastructure for censorship-resistant E2EE communication. Peer-reviewed evidence below. 🧵

EvgenyПри блокировке <a href="https://mastodon.social/tags/chatmail" class="mention hashtag" rel="nofollow noopener" target="_blank">#chatmail</a>, то что мы делаем? Мы переходим на другой <a href="https://mastodon.social/tags/chatmail" class="mention hashtag" rel="nofollow noopener" target="_blank">#chatmail</a>. При этом теряем контакты, необходимо заново обмениваться qr между контактами. При блокировке прокси <a href="https://mastodon.social/tags/signal" class="mention hashtag" rel="nofollow noopener" target="_blank">#signal</a>, мы меняем прокси, а контакты все остаются. Это, пожалуй, самый большой недостаток <a href="https://mastodon.social/tags/deltachat" class="mention hashtag" rel="nofollow noopener" target="_blank">#deltachat</a>

Michał NareckiI know I'm gonna sound like a broken record but... This is your reminder to use decentralized services, especially when it comes to communication. They guarantee better resilience to censorship and there's no single point of failure. If you've been following me for some time you probably already know my recommendation: <a href="https://101010.pl/tags/DeltaChat" class="mention hashtag" rel="nofollow noopener" target="_blank">#DeltaChat</a> 📨 😍 Fun fact: I migrated my <a href="https://101010.pl/tags/chatmail" class="mention hashtag" rel="nofollow noopener" target="_blank">#chatmail</a> relay to a new VPS yesterday. It took me about an hour (most of it waiting for DNS to propagate). I'm actually quite surprised how it easy the process was.Thankfully, the address hasn't changed 😅 The relay is (still) geared towards Polish-speaking users hence we don't have an English version (yet). Anyway, enjoy 😉 And if you like what I do, you can chip in 💸 (links at the bottom of the page).<a href="https://mailchat.pl/" rel="nofollow noopener" translate="no" target="_blank">https://mailchat.pl/</a>

Adam Jurkiewicz<a href="https://linux.social/tags/rss" class="mention hashtag" rel="nofollow noopener" target="_blank">#rss</a> jest <a href="https://rss.jurkiewicz.tech" rel="nofollow noopener" translate="no" target="_blank">https://rss.jurkiewicz.tech</a> - ktoś chętny mieć tam konto? Kto się do mnie odewie przez <a href="https://linux.social/tags/deltachat" class="mention hashtag" rel="nofollow noopener" target="_blank">#deltachat</a> <a href="https://jurkiewicz.chat" rel="nofollow noopener" translate="no" target="_blank">https://jurkiewicz.chat</a> lub tu na <a href="https://linux.social/tags/fediverse" class="mention hashtag" rel="nofollow noopener" target="_blank">#fediverse</a> - założę konto (za darmo).

Linux G. Fossman<a href="https://gladtech.social/@avoca" class="u-url mention" rel="nofollow noopener" target="_blank">@avoca</a> <a href="https://social.vivaldi.net/@Ketakater" class="u-url mention" rel="nofollow noopener" target="_blank">@Ketakater</a> I also got all of my family and a lot of my wider circle on it using these two strategies:1. Getting a device that simply does not have <a href="https://social.vivaldi.net/tags/Whatsapp" class="mention hashtag" rel="nofollow noopener" target="_blank">#Whatsapp</a> / proprietary messaging apps, i.e.: <a href="https://social.vivaldi.net/tags/Linuxmobile" class="mention hashtag" rel="nofollow noopener" target="_blank">#Linuxmobile</a>: <a href="https://social.vivaldi.net/tags/Flx1" class="mention hashtag" rel="nofollow noopener" target="_blank">#Flx1</a>, <a href="https://social.vivaldi.net/tags/LibertyPhone" class="mention hashtag" rel="nofollow noopener" target="_blank">#LibertyPhone</a>, <a href="https://social.vivaldi.net/tags/Librem5" class="mention hashtag" rel="nofollow noopener" target="_blank">#Librem5</a>, <a href="https://social.vivaldi.net/tags/Jolla2c" class="mention hashtag" rel="nofollow noopener" target="_blank">#Jolla2c</a>, etc. People typically won't care enough about <a href="https://social.vivaldi.net/tags/privacy" class="mention hashtag" rel="nofollow noopener" target="_blank">#privacy</a> but they will understand if WA simply does not work on your phone.2. Kids: They don't have phone numbers (or phones in many cases) but want to be included in family group chats. Once kids got in on it, <a href="https://social.vivaldi.net/tags/DeltaChat" class="mention hashtag" rel="nofollow noopener" target="_blank">#DeltaChat</a> spread like wildfire among our extended family, relatives, inlaws and friends. Even a kid with <a href="https://social.vivaldi.net/tags/downsyndrome" class="mention hashtag" rel="nofollow noopener" target="_blank">#downsyndrome</a> onboarded their grandpa in seconds while I had earlier struggled to get him on <a href="https://social.vivaldi.net/tags/Signal" class="mention hashtag" rel="nofollow noopener" target="_blank">#Signal</a>!A great thing about Delta Chat is that, unlike <a href="https://social.vivaldi.net/tags/ElementMessenger" class="mention hashtag" rel="nofollow noopener" target="_blank">#ElementMessenger</a> and other fully-featured <a href="https://social.vivaldi.net/tags/Matrix" class="mention hashtag" rel="nofollow noopener" target="_blank">#Matrix</a> clients, there's no search and discovery feature so kids do not stumble upon untrusted groups and strangers' profiles.<a href="https://social.vivaldi.net/tags/foss" class="mention hashtag" rel="nofollow noopener" target="_blank">#foss</a> <a href="https://social.vivaldi.net/tags/floss" class="mention hashtag" rel="nofollow noopener" target="_blank">#floss</a> <a href="https://social.vivaldi.net/tags/freesoftware" class="mention hashtag" rel="nofollow noopener" target="_blank">#freesoftware</a> <a href="https://social.vivaldi.net/tags/opensource" class="mention hashtag" rel="nofollow noopener" target="_blank">#opensource</a> <a href="https://social.vivaldi.net/tags/freedomtech" class="mention hashtag" rel="nofollow noopener" target="_blank">#freedomtech</a> <a href="https://social.vivaldi.net/tags/permissionlesstech" class="mention hashtag" rel="nofollow noopener" target="_blank">#permissionlesstech</a> <a href="https://social.vivaldi.net/tags/libretech" class="mention hashtag" rel="nofollow noopener" target="_blank">#libretech</a> <a href="https://social.vivaldi.net/tags/libresoftware" class="mention hashtag" rel="nofollow noopener" target="_blank">#libresoftware</a> <a href="https://social.vivaldi.net/tags/e2eemessaging" class="mention hashtag" rel="nofollow noopener" target="_blank">#e2eemessaging</a> <a href="https://social.vivaldi.net/tags/privatemessaging" class="mention hashtag" rel="nofollow noopener" target="_blank">#privatemessaging</a>

kressnerd<a href="https://chaos.social/@delta" class="u-url mention" rel="nofollow noopener" target="_blank">@delta</a> I don't know why, but many of my contacts use outlook.com for both personal and professional matters. Without support for this MS mail platform, I can't use <a href="https://chaos.social/tags/deltachat" class="mention hashtag" rel="nofollow noopener" target="_blank">#deltachat</a> with them.

Delta ChatWhat are the main obstacles for you to adopt usage of <a href="https://chaos.social/tags/deltachat" class="mention hashtag" rel="nofollow noopener" target="_blank">#deltachat</a> apps with your families, friends or communities? if you have other issues than the poll options please add to the replies. Oh, and those who are also living through heat waves: stay hydrated, and remind everyone else :)

Adam Jurkiewicz<a href="https://fosstodon.org/@andyy" class="u-url mention" rel="nofollow noopener" target="_blank">@andyy</a> dlatego mam własną instancję <a href="https://linux.social/tags/deltachat" class="mention hashtag" rel="nofollow noopener" target="_blank">#deltachat</a> <a href="https://jurkiewicz.chat" rel="nofollow noopener" translate="no" target="_blank">https://jurkiewicz.chat</a> i moga mi na skoczyć

Werawelt<a href="https://chaos.social/@hpk" class="u-url mention" rel="nofollow noopener" target="_blank">@hpk</a> With librewolf and ublock, I was able to read the letter well.Matrix may be more mature, especially in terms of group management compared to <a href="https://social.tchncs.de/tags/Deltachat" class="mention hashtag" rel="nofollow noopener" target="_blank">#Deltachat</a>. But Deltachat is similar with all its features (except for group management) and, to be honest, clearer and easier to use. Logging in is easy even without a recovery key, and the connection is encrypted on the device and while transmission. As described in the letter, metadata is only generated during transmission, but not permanently. Overall, Deltachat is secure and the most straightforward for private users. That's my experience and opinion.deltachat is here in the fediverse: <a href="https://chaos.social/@delta" class="u-url mention" rel="nofollow noopener" target="_blank">@delta</a> <a href="https://mastodon.matrix.org/@matthew" class="u-url mention" rel="nofollow noopener" target="_blank">@matthew</a>

holgaIn which i write a short letter to <a href="https://mastodon.matrix.org/@matthew" class="u-url mention" rel="nofollow noopener" target="_blank">@matthew</a> highlighting key architectural issues of decentralized secure messaging covering <a href="https://chaos.social/tags/Matrix" class="mention hashtag" rel="nofollow noopener" target="_blank">#Matrix</a>, <a href="https://chaos.social/tags/Signal" class="mention hashtag" rel="nofollow noopener" target="_blank">#Signal</a> and <a href="https://chaos.social/tags/deltachat" class="mention hashtag" rel="nofollow noopener" target="_blank">#deltachat</a> / <a href="https://chaos.social/tags/chatmail" class="mention hashtag" rel="nofollow noopener" target="_blank">#chatmail</a> <a href="https://lobste.rs/s/muk05v/reflections_on_matrix_criticism_over#c_1sijfo" rel="nofollow noopener" translate="no" target="_blank">https://lobste.rs/s/muk05v/reflections_on_matrix_criticism_over#c_1sijfo</a>

AladoПомните, я недавно просил помочь с тестированием <a href="https://lastfree.space/search?tag=DeltaChat" class="mention hashtag" rel="nofollow noopener" target="_blank">#DeltaChat</a>? Ну отозвавшиеся наверняка помнят. Тогда мы получили довольно странные результаты. Решив раз и навсегда понять, что происходит, я достал свой старый, любимый, надёжный как пулемёт Максим, смартфон OnePlus 7T. Поставил на него и на мой текущий смартфон (OnePlus 10 Pro) DeltaChat и стал регистрироваться на разных chatmail-серверах и на разных почтовых серверах и сравнивать результаты.В общем, если говорить коротко, обнаружилось, что DC на OnePlus 10 Pro не может подключиться ни к одному почтовому серверу по SMTP!!!. К любому chatmail-серверу подключается на ура. OnePlus 7T отлично подключается к чему угодно.Я вообще не могу представить, почему такое может происходить, <s>но результат исследования однозначен — у меня новый адрес DC.</s>

Adam JurkiewiczOszustwa finansowe i „na wnuczka”Przestępcy podszywają się pod bliskich lub pracowników instytucji i proszą o pilne przekazanie pieniędzy.Więcej informacji 👉 <a href="https://lttr.ai/AhXrQ" rel="nofollow noopener" translate="no" target="_blank">https://lttr.ai/AhXrQ</a><a href="https://linux.social/tags/Wyzwanie5Krok%C3%B3w" class="mention hashtag" rel="nofollow noopener" target="_blank">#Wyzwanie5Kroków</a> <a href="https://linux.social/tags/cryptomator" class="mention hashtag" rel="nofollow noopener" target="_blank">#cryptomator</a> <a href="https://linux.social/tags/deltachat" class="mention hashtag" rel="nofollow noopener" target="_blank">#deltachat</a>

Morgenmuffel<a href="https://infosec.exchange/@jerry" class="u-url mention" rel="nofollow noopener" target="_blank">@jerry</a> If you run a Matrix Server, it is time to upgrade. Move to DeltaChat. 😜 Your life will be better in the long term.<a href="https://social.screamingatmyscreen.com/tags/matrix" class="mention hashtag" rel="nofollow noopener" target="_blank">#matrix</a> <a href="https://social.screamingatmyscreen.com/tags/deltachat" class="mention hashtag" rel="nofollow noopener" target="_blank">#deltachat</a> <a href="https://social.screamingatmyscreen.com/tags/element" class="mention hashtag" rel="nofollow noopener" target="_blank">#element</a>

Delta ChatWe do not aim for <a href="https://chaos.social/tags/deltachat" class="mention hashtag" rel="nofollow noopener" target="_blank">#deltachat</a> to be another social media app. No <a href="https://chaos.social/tags/ai" class="mention hashtag" rel="nofollow noopener" target="_blank">#ai</a> summaries or suggestions. No public directory of contacts. No discovery via outside identifiers (mobile phone or email). Just you and your contacts privately messaging, in a solid simple user interface on all platforms. End-to-End encryption enforced on two layers. <a href="https://chaos.social/tags/chatmail" class="mention hashtag" rel="nofollow noopener" target="_blank">#chatmail</a> relays know and retain nothing, no content or metadata. <a href="https://chaos.social/tags/webxdc" class="mention hashtag" rel="nofollow noopener" target="_blank">#webxdc</a> apps allow for custom interactions on top of chats.Contributors and donations welcome!

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