Delta Chat (39c3)
@delta.chat
Secure decentralized messaging for all major platforms and then some. Reliable and instant by using fast and secure Chatmail servers, but also compatible with classic […]
🌉 bridged from ⁂ https://chaos.social/@delta, follow @ap.brid.gy to interact
🌉 bridged from ⁂ https://chaos.social/@delta, follow @ap.brid.gy to interact
Quite a few of #deltachat #chatmail and #Webxdc folks are already and will be around #39c3 -- on-site you can join a group chat (or send us a DM upfront) where we announce dynamically scheduled sessions. You'll find us mostly around Komona but also other places ... for more info […]
Original post on chaos.social
chaos.social
December 26, 2025 at 10:11 AM
Quite a few of #deltachat #chatmail and #Webxdc folks are already and will be around #39c3 -- on-site you can join a group chat (or send us a DM upfront) where we announce dynamically scheduled sessions. You'll find us mostly around Komona but also other places ... for more info […]
Short and succinct, @neil lays down the incredible danger of the UK's current political talk about "banning under 16y olds" from using online services.
UK's "age assurance" is similar to #chatcontrol 's "age verification" plans: the end of privacy when using online services. Basically policing […]
UK's "age assurance" is similar to #chatcontrol 's "age verification" plans: the end of privacy when using online services. Basically policing […]
Original post on chaos.social
chaos.social
December 19, 2025 at 3:05 PM
Short and succinct, @neil lays down the incredible danger of the UK's current political talk about "banning under 16y olds" from using online services.
UK's "age assurance" is similar to #chatcontrol 's "age verification" plans: the end of privacy when using online services. Basically policing […]
UK's "age assurance" is similar to #chatcontrol 's "age verification" plans: the end of privacy when using online services. Basically policing […]
On this day, two years ago, we published the first chatmail relay, https://delta.chat/en/2023-12-13-chatmail along with templates to replicate the setup, without needing any permission. Two weeks ago we thought there are 60 relays when a hacker handed in a 100+ list 😂
A bunch of knowledgeable […]
A bunch of knowledgeable […]
Original post on chaos.social
chaos.social
December 13, 2025 at 11:02 AM
On this day, two years ago, we published the first chatmail relay, https://delta.chat/en/2023-12-13-chatmail along with templates to replicate the setup, without needing any permission. Two weeks ago we thought there are 60 relays when a hacker handed in a 100+ list 😂
A bunch of knowledgeable […]
A bunch of knowledgeable […]
#chatmail relays are recently getting more artful in their web presence 🤩 Nice examples:
https://darkdev.run in Ontario, or
https://bloc7.icu/ in Warszaw.
We estimate there are ~4 times more relays than in the published list at https://chatmail.at/relays
Many relays are smaller ones, but […]
https://darkdev.run in Ontario, or
https://bloc7.icu/ in Warszaw.
We estimate there are ~4 times more relays than in the published list at https://chatmail.at/relays
Many relays are smaller ones, but […]
Original post on chaos.social
chaos.social
December 12, 2025 at 10:03 PM
#chatmail relays are recently getting more artful in their web presence 🤩 Nice examples:
https://darkdev.run in Ontario, or
https://bloc7.icu/ in Warszaw.
We estimate there are ~4 times more relays than in the published list at https://chatmail.at/relays
Many relays are smaller ones, but […]
https://darkdev.run in Ontario, or
https://bloc7.icu/ in Warszaw.
We estimate there are ~4 times more relays than in the published list at https://chatmail.at/relays
Many relays are smaller ones, but […]
Your chat profile/identity: a tar file.
Your social web app: a zip file.
https://chatmail.at and https://webxdc.org are spearheading ever new and more fun ways to deny power to servers and platform billionaires.
Unlike classic email servers, #chatmail relays […]
[Original post on chaos.social]
Your social web app: a zip file.
https://chatmail.at and https://webxdc.org are spearheading ever new and more fun ways to deny power to servers and platform billionaires.
Unlike classic email servers, #chatmail relays […]
[Original post on chaos.social]
December 12, 2025 at 7:43 PM
Your chat profile/identity: a tar file.
Your social web app: a zip file.
https://chatmail.at and https://webxdc.org are spearheading ever new and more fun ways to deny power to servers and platform billionaires.
Unlike classic email servers, #chatmail relays […]
[Original post on chaos.social]
Your social web app: a zip file.
https://chatmail.at and https://webxdc.org are spearheading ever new and more fun ways to deny power to servers and platform billionaires.
Unlike classic email servers, #chatmail relays […]
[Original post on chaos.social]
#deltachat PSAs regarding the last 24 hours:
1) If you messaged someone about 20-30 hours ago, and did not get an expected response/receipt better "resend" (long-tap or right-click the message to resend). Unfortunately, not all queued messages at the crashing […]
[Original post on chaos.social]
1) If you messaged someone about 20-30 hours ago, and did not get an expected response/receipt better "resend" (long-tap or right-click the message to resend). Unfortunately, not all queued messages at the crashing […]
[Original post on chaos.social]
December 11, 2025 at 12:13 PM
#deltachat PSAs regarding the last 24 hours:
1) If you messaged someone about 20-30 hours ago, and did not get an expected response/receipt better "resend" (long-tap or right-click the message to resend). Unfortunately, not all queued messages at the crashing […]
[Original post on chaos.social]
1) If you messaged someone about 20-30 hours ago, and did not get an expected response/receipt better "resend" (long-tap or right-click the message to resend). Unfortunately, not all queued messages at the crashing […]
[Original post on chaos.social]
#chatmail relays really are the dumbest messaging servers in town, but having fun with each other 😂 https://chatmail.at/doc/relay
December 11, 2025 at 10:28 AM
#chatmail relays really are the dumbest messaging servers in town, but having fun with each other 😂 https://chatmail.at/doc/relay
The default onboarding relay server nine.testrun.org will undergo some server maintenance in the next hours. We will keep you updated.
December 10, 2025 at 11:55 AM
The default onboarding relay server nine.testrun.org will undergo some server maintenance in the next hours. We will keep you updated.
RE: https://chaos.social/@thefinalstrawradio/115679804496870004
Another nice surprise! A careful discussion and appreciation of our almost 8-year long running efforts, and its #deltachat and #chatmail artifacts. The "Signal contingency plan" comes complete with podcast, website and zine!
Another nice surprise! A careful discussion and appreciation of our almost 8-year long running efforts, and its #deltachat and #chatmail artifacts. The "Signal contingency plan" comes complete with podcast, website and zine!
chaos.social
December 7, 2025 at 7:06 PM
RE: https://chaos.social/@thefinalstrawradio/115679804496870004
Another nice surprise! A careful discussion and appreciation of our almost 8-year long running efforts, and its #deltachat and #chatmail artifacts. The "Signal contingency plan" comes complete with podcast, website and zine!
Another nice surprise! A careful discussion and appreciation of our almost 8-year long running efforts, and its #deltachat and #chatmail artifacts. The "Signal contingency plan" comes complete with podcast, website and zine!
A few things #deltachat apps are doing positively different from #signal apps
- easiest onboarding ever; not depending on phone numbers or other private data
- support for multiple chat profiles/identities
- decentralized servers, not depending on US-based GAFAM etc.
- migration from one […]
- easiest onboarding ever; not depending on phone numbers or other private data
- support for multiple chat profiles/identities
- decentralized servers, not depending on US-based GAFAM etc.
- migration from one […]
Original post on chaos.social
chaos.social
December 7, 2025 at 8:39 AM
A few things #deltachat apps are doing positively different from #signal apps
- easiest onboarding ever; not depending on phone numbers or other private data
- support for multiple chat profiles/identities
- decentralized servers, not depending on US-based GAFAM etc.
- migration from one […]
- easiest onboarding ever; not depending on phone numbers or other private data
- support for multiple chat profiles/identities
- decentralized servers, not depending on US-based GAFAM etc.
- migration from one […]
On the occasion of SimpleX and Session getting cryptocoin-donations/funding ... we won't hide that most delta contributors are pretty skeptical of cryptocoin-circles. Exhibit 1: Webxdc apps -- mini apps that anyone can whip up -- and the declared motto still on […]
[Original post on chaos.social]
[Original post on chaos.social]
December 3, 2025 at 9:55 PM
On the occasion of SimpleX and Session getting cryptocoin-donations/funding ... we won't hide that most delta contributors are pretty skeptical of cryptocoin-circles. Exhibit 1: Webxdc apps -- mini apps that anyone can whip up -- and the declared motto still on […]
[Original post on chaos.social]
[Original post on chaos.social]
#telegram has a nice and fast UI, granted.
But the 1 billion people using TG are at risk because of its big central database that any state security service craves for. Moreover, several anonymization proxy-bot offerings were hacked in 2024, identifying […]
[Original post on chaos.social]
But the 1 billion people using TG are at risk because of its big central database that any state security service craves for. Moreover, several anonymization proxy-bot offerings were hacked in 2024, identifying […]
[Original post on chaos.social]
December 3, 2025 at 6:01 PM
#telegram has a nice and fast UI, granted.
But the 1 billion people using TG are at risk because of its big central database that any state security service craves for. Moreover, several anonymization proxy-bot offerings were hacked in 2024, identifying […]
[Original post on chaos.social]
But the 1 billion people using TG are at risk because of its big central database that any state security service craves for. Moreover, several anonymization proxy-bot offerings were hacked in 2024, identifying […]
[Original post on chaos.social]
from a random community chat: "#telegram secret chats exist so you can share your #deltachat QR/link to get off Telegram 😇"
In related news, Arte published a well-done documentary film about "Telegram, the dark empire of Pawel Durov" up (german audio only) […]
In related news, Arte published a well-done documentary film about "Telegram, the dark empire of Pawel Durov" up (german audio only) […]
Original post on chaos.social
chaos.social
December 1, 2025 at 11:22 PM
from a random community chat: "#telegram secret chats exist so you can share your #deltachat QR/link to get off Telegram 😇"
In related news, Arte published a well-done documentary film about "Telegram, the dark empire of Pawel Durov" up (german audio only) […]
In related news, Arte published a well-done documentary film about "Telegram, the dark empire of Pawel Durov" up (german audio only) […]
#chatmail does secure email federation that works. Using lean "relay" servers that enforce metadata-minimized end-to-end encryption.
There is a new little tool that checks whether two relays are interacting well for messaging, and how fast. You need a terminal […]
[Original post on chaos.social]
There is a new little tool that checks whether two relays are interacting well for messaging, and how fast. You need a terminal […]
[Original post on chaos.social]
November 26, 2025 at 6:47 PM
#chatmail does secure email federation that works. Using lean "relay" servers that enforce metadata-minimized end-to-end encryption.
There is a new little tool that checks whether two relays are interacting well for messaging, and how fast. You need a terminal […]
[Original post on chaos.social]
There is a new little tool that checks whether two relays are interacting well for messaging, and how fast. You need a terminal […]
[Original post on chaos.social]
Well, maybe we need to be more clear what we are trying to do: #deltachat apps are a cross-platform private messenger suite, that aims to provide a consistent UX/UI for users with lots of experience using WhatsApp and Signal.
Telegram has good fast UX but is hardly a private messenger (it has a […]
Telegram has good fast UX but is hardly a private messenger (it has a […]
Original post on chaos.social
chaos.social
November 21, 2025 at 3:31 PM
Well, maybe we need to be more clear what we are trying to do: #deltachat apps are a cross-platform private messenger suite, that aims to provide a consistent UX/UI for users with lots of experience using WhatsApp and Signal.
Telegram has good fast UX but is hardly a private messenger (it has a […]
Telegram has good fast UX but is hardly a private messenger (it has a […]
Reposted by Delta Chat (39c3)
two other things that can't be stressed enough for maintaining development long-term:
- Avoid superflous abstractions. Premature abstractions are the root of all ... complexity. If you have a second and third case, you can introduce an abstraction, but even then: don't over-abstract!
- write […]
- Avoid superflous abstractions. Premature abstractions are the root of all ... complexity. If you have a second and third case, you can introduce an abstraction, but even then: don't over-abstract!
- write […]
Original post on chaos.social
chaos.social
November 21, 2025 at 11:06 AM
two other things that can't be stressed enough for maintaining development long-term:
- Avoid superflous abstractions. Premature abstractions are the root of all ... complexity. If you have a second and third case, you can introduce an abstraction, but even then: don't over-abstract!
- write […]
- Avoid superflous abstractions. Premature abstractions are the root of all ... complexity. If you have a second and third case, you can introduce an abstraction, but even then: don't over-abstract!
- write […]
The #chatmail #rust core is the base infrastructure library used by all apps and bots. It contains all networking, encryption, email processing and implements all the relevant IETF email standards. It's a single central development place with which the whole […]
[Original post on chaos.social]
[Original post on chaos.social]
November 21, 2025 at 10:54 AM
The #chatmail #rust core is the base infrastructure library used by all apps and bots. It contains all networking, encryption, email processing and implements all the relevant IETF email standards. It's a single central development place with which the whole […]
[Original post on chaos.social]
[Original post on chaos.social]
Signal just released a "poll" feature with great fanfare, while all #deltachat apps already integrated a full suite of chat-shared apps, checklists, polls, shopping lists, calendar, editor + tons of games.
Better, anyone can create new apps, eg as […]
[Original post on chaos.social]
Better, anyone can create new apps, eg as […]
[Original post on chaos.social]
November 19, 2025 at 1:50 PM
Signal just released a "poll" feature with great fanfare, while all #deltachat apps already integrated a full suite of chat-shared apps, checklists, polls, shopping lists, calendar, editor + tons of games.
Better, anyone can create new apps, eg as […]
[Original post on chaos.social]
Better, anyone can create new apps, eg as […]
[Original post on chaos.social]
Any data that is collected on servers will eventually leak or be abused otherwise.
By design, no one can enumerate #deltachat profiles which are private and not published on any server. Conversely, #chatmail relays do not see or collect private data or metadata […]
[Original post on chaos.social]
By design, no one can enumerate #deltachat profiles which are private and not published on any server. Conversely, #chatmail relays do not see or collect private data or metadata […]
[Original post on chaos.social]
November 19, 2025 at 10:51 AM
Any data that is collected on servers will eventually leak or be abused otherwise.
By design, no one can enumerate #deltachat profiles which are private and not published on any server. Conversely, #chatmail relays do not see or collect private data or metadata […]
[Original post on chaos.social]
By design, no one can enumerate #deltachat profiles which are private and not published on any server. Conversely, #chatmail relays do not see or collect private data or metadata […]
[Original post on chaos.social]
hypercentralizers are not having a good day today -- #github has joined #cloudflare to block or slow down millions of folks from doing stuff.
Maybe a good time to checkout out this new ACLU article about the current Apple/Google app-store oligopoly […]
[Original post on chaos.social]
Maybe a good time to checkout out this new ACLU article about the current Apple/Google app-store oligopoly […]
[Original post on chaos.social]
November 18, 2025 at 10:07 PM
hypercentralizers are not having a good day today -- #github has joined #cloudflare to block or slow down millions of folks from doing stuff.
Maybe a good time to checkout out this new ACLU article about the current Apple/Google app-store oligopoly […]
[Original post on chaos.social]
Maybe a good time to checkout out this new ACLU article about the current Apple/Google app-store oligopoly […]
[Original post on chaos.social]
While #cloudflare US-east1 is busy fixing a good part of the Internet, parts of Matrix/Element, X etc down, good old decentralized #chatmail mostly continues nicely and without any degradation :)
In other news, there is a new #freebsd community maintained ❤️ #deltachat desktop install:
pkg […]
In other news, there is a new #freebsd community maintained ❤️ #deltachat desktop install:
pkg […]
Original post on chaos.social
chaos.social
November 18, 2025 at 12:51 PM
While #cloudflare US-east1 is busy fixing a good part of the Internet, parts of Matrix/Element, X etc down, good old decentralized #chatmail mostly continues nicely and without any degradation :)
In other news, there is a new #freebsd community maintained ❤️ #deltachat desktop install:
pkg […]
In other news, there is a new #freebsd community maintained ❤️ #deltachat desktop install:
pkg […]
Reposted by Delta Chat (39c3)
@delta took 2 ppl trying to convince me but yall got me
infinitely less annoying then matrix and more featureful then signal
the tetris applet convinced me 👍
good app, will continue using where possible 👍
infinitely less annoying then matrix and more featureful then signal
the tetris applet convinced me 👍
good app, will continue using where possible 👍
November 17, 2025 at 5:47 PM
@delta took 2 ppl trying to convince me but yall got me
infinitely less annoying then matrix and more featureful then signal
the tetris applet convinced me 👍
good app, will continue using where possible 👍
infinitely less annoying then matrix and more featureful then signal
the tetris applet convinced me 👍
good app, will continue using where possible 👍
@maikel see https://github.com/chatmail/core/blob/main/src/securejoin/qrinvite.rs for the data structure and https://securejoin.readthedocs.io/en/latest/new.html#setup-contact-protocol for the securejoin protocol.
core/src/securejoin/qrinvite.rs at main · chatmail/core
Chatmail Rust Core library, used by Android/iOS/desktop apps, bindings and bots 📧 - chatmail/core
github.com
November 14, 2025 at 2:05 PM
@maikel see https://github.com/chatmail/core/blob/main/src/securejoin/qrinvite.rs for the data structure and https://securejoin.readthedocs.io/en/latest/new.html#setup-contact-protocol for the securejoin protocol.
Denmark and other EU governments still pursue #chatcontrol.
They still want to permanently legalize client-side scanning but postponed making it mandatory.
They also want to increase age-verification controls which risk to ruin what little is left of privacy […]
[Original post on chaos.social]
They still want to permanently legalize client-side scanning but postponed making it mandatory.
They also want to increase age-verification controls which risk to ruin what little is left of privacy […]
[Original post on chaos.social]
November 13, 2025 at 9:00 AM
Denmark and other EU governments still pursue #chatcontrol.
They still want to permanently legalize client-side scanning but postponed making it mandatory.
They also want to increase age-verification controls which risk to ruin what little is left of privacy […]
[Original post on chaos.social]
They still want to permanently legalize client-side scanning but postponed making it mandatory.
They also want to increase age-verification controls which risk to ruin what little is left of privacy […]
[Original post on chaos.social]
We were surprised to hear today that Forbes.ru (a subsidiary of the global Forbes brand it seems) recently published an article quoting an expert recommending to use #deltachat on the backdrop of restrictions of Signal, Whatsapp, Telegram, Discord and Viber in Russian networks […]
Original post on chaos.social
chaos.social
November 12, 2025 at 6:22 PM
We were surprised to hear today that Forbes.ru (a subsidiary of the global Forbes brand it seems) recently published an article quoting an expert recommending to use #deltachat on the backdrop of restrictions of Signal, Whatsapp, Telegram, Discord and Viber in Russian networks […]