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Delta Chat

Preventing enshittification of platforms rests on credible exit for users and devs. #ActivityPub and #SMTP are not perfect but

a) are implemented und understood by many players,

b) enable freedom of choice of servers and clients,

c) implement #RightToMigrate as well as self/community custody

Many #p2p projects promise to remove servers but often promote and depend on a single implementation stack, have no spec and no interop among #p2p islands, and thus struggle to provide credible exit.

Leaf 🌱 🏴‍☠️ (they/them)

@delta
do you see any possible future where we won't need servers? cause yes, having many decentralized instances running on servers is already so much better, but wouldn't p2p be even more decentralized and therefore provide more freedom?

or perhaps the server which hosts an instance (mastodon for example) can be somehow democratized so that all of it's users have a say in the decisions usually made by the admin or moderator 🤔

Mostafa228

@delta Activitypub is not designed to be E2E encrypted.
It's better to suggest the nostr protocol because it is E2EE and designed to be censorship resistant.

🌈 Lascapi ⁂

@delta I like #p2p technologies but I think prefer the possibility to migrate between server.

Like #hubzilla

Delta Chat

Did you know that you can add and use "ephemeral profiles" where all messages get deleted after a set time? The "auto-delete from device" will keep your profile clean. It's a one sided ephemerality that you decide about, not your chat partners. Good for coordinating things without digital traces and where only "the current day" or "week" is important but not all the past history. Saved messages stay, though, until you explicitely delete them. #ephemeral #deltachat

A screenshot of "delete old messages" section in "chats and media" settings section. 
Delete messages from device is set to "1 week"
Delete messages from server is set to "at once after download"
Café-Junkie

@delta
I don't need that but nice to know.
Maybe important in some countries and hostile environments.
👍

Delta Chat

When not dabbling in undusting the venerable Email system we play with rewiring the Web to free it from the possibility of billionaire platforms. With a nod to @pluralistic 's "Ulysses Pact" we just published "Replacing billionairish platforms with ZIP files" highlighting a bunch of new #webxdc features and community developments. The challenge is on who wants to join in de-platforming Venture-Capital-backed web apps that try to mediate our private communications delta.chat/en/2025-01-23-webxd

When not dabbling in undusting the venerable Email system we play with rewiring the Web to free it from the possibility of billionaire platforms. With a nod to @pluralistic 's "Ulysses Pact" we just published "Replacing billionairish platforms with ZIP files" highlighting a bunch of new #webxdc features and community developments. The challenge is on who wants to join in de-platforming Venture-Capital-backed web apps that try to mediate our private communications delta.chat/en/2025-01-23-webxd

Delta Chat

Hum, are we the only cross-platform messenger project present in 15+ app stores that primarily announces on, and interacts with, the Fediverse while others use X and maybe Bluesky? If you know of others please mention them in the replies :)

In any case, we are pretty happy here, as we are finding meaningful interactions, and organically evolving interest and collaboration with other people and projects. Probably it helps that #email shares several traits with #ActivityPub protocols? Cheers.

Show previous comments
Djoerd Hiemstra

@delta Cheers! (the @element people are here too, right?)

Fred

@delta No, you aren't. There are plenty other like @signalapp and @matrix!

Sergius

@delta Props an die Entwickler von DeltaChat... Ist eine der Coolsten must-have Tools für mail und Kommunikation..
Ganz abgesehen von der Verschlüsselten Kommunikation. Ich nutze die APP einfach als mail-client.

Delta Chat

We know of many #chatmail servers from Vladivostok to the US but the one from @adam_jurkiewicz might have the most intriguing design jurkiewicz.chat/ :)

With mobile Delta Chat apps, a chatmail web site allows users to click a link to create an instant chatmail profile without asking any personal data. No permission needed from Delta Chat developers to run a server, and we never learn e-mail or IP addresses from their users.

Decentralized interoperable onboarding with secure #E2EE :)

a screenshot of the chatmail server https://jurkiewicz.chat/ frontpage. There is a computed Javascript-generated "matrix flowing letters" animation  using non-latin characters.
maxmoon 🌱

@delta @adam_jurkiewicz The website doesn't look serious and every non tech person might avoid it, but the concept behind it is super cool and it could help people to have more secure and private communication.

Delta Chat

Two new #webxdc apps: a one-dimensional pacman and shopping list -- already used by many families along with "calendar" and "checklist" for daily organization. All apps are discoverable on Android via "attach/app" or in the web via webxdc.org/apps ...

With webxdc apps you'll never have to sign-up to platforms again and if you are fed up with Delta Chat, you can use the same apps with Cheogram and Monocles (XMPP messengers).

Forks welcome: apps come with source and a repo link :)

a screenshot from the app store with two apps shown: 

- Pac-1D (Pacman in 1D from r10s)
- Shopping list (Organize your grocery shopping from hupf)
Delta Chat

#deltachat works despite some ongoing state level blocking and is used by people in bad network situations. That is all fine. But does it also work in german ICE train wifi?

Happy to report:
Yes, not only message sending and receiving work reliably in the train but we could also instantly use a webxdc realtime app between different trains, with peer-to-peer connections :)

Greetings and good travels everyone!

#38c3

T.F.G.

@delta

Wow that's great! I heard not even DB Navigator works reliably on german trains ^^

Which is a positive with this particular app ...at least in my eyes. But that's another story ;-)

Delta Chat

On the occasion of Russia today testing regional blocks of telegram and other apps (especially in eastern Russia) and #WhatsApp down or flaky in many countries the last hours ... Allow us to note that it is very hard to block or bring down #deltachat apps on any larger scale because

A) it's hard to block the planetary email server network

B) #chatmail servers have some extras :)

C) DNS blocks won't work

D) you can use shadowsocks/socks5 proxies easily on android/iOS

Sorry not sorry :)

Шуро
Is there any difference between using chatmail and conventional mail server function-wise?
aburka 🫣

@delta why wouldn't it work to DNS block the chatmail servers?

Delta Chat

major milestones with #deltachat in 2024 so far:

- addressed security analysis issues from Applied Crypto Group at ETH Zurich for hardened guaranteed end-to-end encryption

- instant onboarding with #chatmail servers (likely the fastest, most secure and reliable e-mail servers you can find on this planet)

- push notifications on Android/iOS with all #chatmail servers

- introduction of #P2P networking with #webxdc realtime channels

- and ❤️ reactions!

... and the year is not over yet :)

Delta Chat

We are an in-between project. #deltachat is in-between traditional messengers and email apps and #p2p paradigms, #chatmail is in between the massive email server network and #webxdc is in-between e-mail, @xmpp and the web ecosystem (but outlaws central platforms) ... Our approach is rhizomatic, i.e. based on, and changes with, various collaborations and joining contributors. We don't have stable funding and need to regularly apply for public funds ... And are surrounded by VC funded projects

Delta Chat

Those of you who have to work through Google, Apple and other store's compliance, we feel you! Maintaining around 16+ target distribution sites for cross platform apps takes a constant toll on us.

One of the giant features of #webxdc app developments is precisely that no store is needed. You can just write an index.html, a .js file and pack into a zip file and everyone can use this as an app in their chats, no store needed for permission and distribution.

webxdc.org/docs/

Delta Chat

We just boosted a report from someone (we don't know) summarizing and reporting about recent court happenings in Moscow against us. We confirm these legal proceedings are indeed happening and we are represented by a lawyer there ... wetdry.world/@cybertailor/1135

There are rumours that a theater play work-titled "how to arrest a protocol?" will be presented at #38c3 btw :)

SP

@delta how shameful 🥹! How do they even have any jurisdiction? Can't you just ignore them?

Delta Chat

Are you interested in enshittification-resistant application development?

After almost two years of collaboration with the wonderful @n0iroh team, we are happy to announce that #deltachat 1.48 apps on all platforms contain top-notch Peer-to-Peer networking support, including hole-punching and forward-secret end-to-end encryption. It is exposed through the new #webxdc realtime APIs and there are some nice initial showcase apps 🎉

delta.chat/en/2024-11-20-webxd

Show previous comments
LPS
@delta @n0iroh looks amazing, especially the ephemeral live chat app!
Ditol

@delta
Sounds really cool. It is really a pity that delta chat doesn't seem to get much adoption. (At least I don't know anyone who uses it.)

@n0iroh

Delta Chat

With our #deltachat #chatmail and #webxdc efforts we put all intelligence on the end devices, and architecutally separate it from a transport layer that routes safely and fast but knows nothing.

There are a dozen or more #chatmail servers across many jurisdictions, all safely interopable with each other and classic servers.

Turned out we can dumb down email servers by relying on cryptography instead of IP reputation and ai/spam filtering. And have 200ms delivery times. We are not done :)

Show previous comments
Daleth Hausmeister

@delta

Runs very well on a Raspberry Pi Zero 2 with 40°C and less then 1 Watt over mobile-internet.

No other concept do so.

breadcat

@delta aside from latency, jurisdiction shouldn't matter with proper e2ee

Mick

@delta Delta chat is a very good messenger. I love it. The only drawback I have compared to xmpp messengers is that it does not support audio and video calls. I know this is difficult with emails, but if somehow you could make a calling sound when somebody calls to a jitsi video meeting ID that is already registered with Delta chat account.

Delta Chat

Maybe the secret why the #deltachat project with "just" a dozen active contributors succeeds in delivering cross-platform apps, instigating the #chatmail server network and spearheading the #webxdc app paradigm, lies in asking the right questions:

- Is it really needed?

- Can we not do it?

- Is there a simpler way that requires less changes?

- What is the interesting next impl step that is already interesting itself for users, without requiring first completing a big refactoring project?

Delta Chat

Did you know that #deltachat does not need and does not use key servers? Most other messengers (wa/signal/matrix/threema/...) actually operate or incorporate a cryptographic key server, managing the cryptographic identities of all users. Delta Chat uses decentralized protocols for key management avoiding a central storage of identities. The SecureJoin protocol is the key (sic!) innovation and was independently analyzed by ETH Zürich researchers earlier this year .... delta.chat/en/2024-03-25-crypt

Did you know that #deltachat does not need and does not use key servers? Most other messengers (wa/signal/matrix/threema/...) actually operate or incorporate a cryptographic key server, managing the cryptographic identities of all users. Delta Chat uses decentralized protocols for key management avoiding a central storage of identities. The SecureJoin protocol is the key (sic!) innovation and was independently analyzed by ETH Zürich researchers earlier this year .... delta.chat/en/2024-03-25-crypt

Delta Chat

Third time is a charm!

Watch us tirelessly explaining to Roskomnadzor how e-mail works! The three innovations in our third reply are that we

a) request the international law their request is grounded on (as if they would care)

b) communicate that their assumptions, even according to russian laws, are wrong (as if they would care)

c) state explicitly that Delta Chat is unlike WhatsApp, Signal or Telegram (doh!)

#chatcontrol-delenda-est

A letter from merlinux to Roskomandzor:
Regarding registration of Delta Chat provided services in Russia
with the following key content: 

1) You fail to reference relevant International Law that would give you the authority to request
any interaction from us as an organization residing within the legal framework of the European
Union. If you don’t reference any international law or treaty, you are required to direct your
queries to the german foreign ministry instead, which in turn would get in contact with us.
2) Even if your request was grounded in international law, merlinux is not an „ICO“ or
„Information Communication Organizer“ as defined in Section 10.1 of 149-FZ. In particular, we
maintain that this base assumption stated in your letter is not correct:
„According to the results of the analysis the information resource delta.chat
<https://delta.chat/> , the owner of which is a foreign organization merlinux GmbH, was found
to have the capability to receive, transmit, deliver and (or) process electronic messages of
Internet users.“
Unlike Telegram or Whatsapp, the information resource „delta.chat“ does not have the ability
to receive, transmit, deliver or process electronic messages. All users of our e-mail client apps
choose electronic message processors („e-mail servers“) sovereignly themselves, without our
knowledge and without sending their messages through a central server like it happens with
Telegram or Whatsapp.
Show previous comments
Dominik

@delta Funny enough this also happened the other way round to the russian developers of the XABBER Android Jabber/XMPP client receiving a letter from the German @BNetzA due to a similar failure to understand how that app worked:

cmshs-bloggt.de/tmc/telekommun

photo of letter from Bundesnetzagentur
photo of letter from Bundesnetzagentur
Delta Chat

Great, so #chatcontrol was not moving forward today thanks also to various interventions from folks around the fediverse .... In particular thanks @Mer__edith for the clear take from Signals side. But it's clearly not canceled and Hungary will retry getting it through, and France, having elections soon, might drop out of opposing it? Let's stay vigilant about #chatcontrol and help eg @netzpolitik_feed and @edri and other groups to help us working against authoritarian #chatcontrol fantasies.

Delta Chat

We got note of three #deltachat articles from different angles the last days:

Roskomvoboda, human rights org in russia, interviewing @Xeniax about our recent interaction with the russian telco authorities. roskomsvoboda.org/ru/post/delt

@unixtippse about "do's and don'ts" after re-engaging with Delta Chat happily.
binblog.de/2024/06/15/deltacha

@durian about Signal and "Delta Chat for anarchists" phlanticap.noblogs.org/delta-c

We got note of three #deltachat articles from different angles the last days:

Roskomvoboda, human rights org in russia, interviewing @Xeniax about our recent interaction with the russian telco authorities. roskomsvoboda.org/ru/post/delt

@unixtippse about "do's and don'ts" after re-engaging with Delta Chat happily.
binblog.de/2024/06/15/deltacha

Delta Chat

As you know, governmental forces within the EU, the US, the UK, Russia and others are in a hot competition on who gets to be the first to subvert end-to-end encryption. A few days ago, we got another letter from Roskomnadzor, the #russia telco authority, to help them get at user data or metadata for #deltachat users. But there is no central registry of e-mail addresses, messages or decryption keys. So we declined. Sorry, not sorry.

A letter from merlinux GmbH to ROSKOMNADZOR Russian Federal Service for Supervision in the Sphere of Telecom, Information Technologies and Mass Communications per e-mail: 97-fz@rkn.gov.ru

Freiburg, June 13th 2024 
Your request for registration of Delta Chat regarding provided services in Russia Dear Sirs and Madams, on June 11th 2024 we received your request by e-mail to delta@merlinux.eu to register for provided messaging services in Russia for the application Delta Chat whose developments we indeed facilitate and distribute to app stores and many platforms. If we understand your request correctly, you also requested access to decryption keys and access to user data. 

However, Delta Chat is an e-mail application which lets users choose their e-mail providers at their own discretion. There is no central registry of e-mail addresses and we have no access to message contents, let alone decryption keys which only exist on user devices. We therefore kindly request that you strike us from your list of service providers. 

best regards and thanks, holger krekel, managing director, merlinux GmbH
Show previous comments
bijram

@delta but without reading all our private messages #EUGoingDark will happen - NOT

arutaz

@delta but what will you do when Chat Control becomes law in EU?
Leave the EU market? Still exist for people using android and f-droid or a like?

t3x
@delta

Роскомпозор продолжает копать под всё и вся.
Уроды.

#roskompozor #roskomnadzor #ru
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