I’ve created a Delta Chat account only a few days ago and only shared an invite in private with exactly 6 people, to test Delta Chat with them. Today, I’ve received a chat request from a totally unknown person which definitely looks like spam (Uganda person in the nutrition sector trying to make in…

No, such spam is not common nor feasible under DC, unless one of your friends is trolling. However, if by public channel you mean you have joined a private Delta Chat group, then yes, any other member can then spam you. Otherwise not if you were using broadcast channels (but you would not know the …

A friend told me that there’s a way to contact me through the public channel : click on the bubble of a post then you see the profile of the poster and you can send a message. This is highly problematic as it prevents any high profile person to open a channel through Delta Chat. Should I report thi…

Please use the correct terminology. A private group (that you are only supposed to enter either with friends or a new, throw-away profile) is where everyone can send messages. A public broadcast channel is a one-way subscription that shares news with you is safer, such as: [image] …

XMPP has the distinction that a pseudonymous MUC (group) can either allow or prohibit a member to direct message another member. This is more of an exception than the law as other messengers such as IRC, Matrix and Slack lack such a feature. It might be feasible to implement new group metadata or e…

[image] ian: Otherwise not if you were using broadcast channels (but you would not know the subscriber count of that I guess, so that’s probably not the case). I clarify: I’ve opened a broadcast channel with 100+ subscribers that I don’t know. I’ve confirmed that any subscriber can contact m…

How do you know the number of subscribers? You see, when you subscribe to a public broadcast channel, you only get into contact with the channel owner, while if you join a private group, you exchange contacts with everybody else instantly. Surely the channel owner could also be malicious hypothetica…

Becaus [image] ian: How do you know the number of subscribers? It’s written beneath the title. I’ve also access to the list of subscribers because I’m the one who created the broadcast channel.

That was an important piece of information to omit. As mentioned above, yes, the channel owner will exchange contacts with each subscriber so that they can send messages (and subscribers can also unsubscribe or reply with reactions in private in ArcaneChat for example). Hence why a channel owner oug…

I have opened a feature request for you: [image] Option to ignore new chat invites Feature Proposal If you create a new profile to manage your public broadcast channel, any subscriber can spam you with chat invites. There could be a toggle in the profile setti…

Also, how did a public broadcast channel you have created just a few days ago gain more than 100 subscribers? You sound like quite the influencer!

Is spam on Delta Chat a known problem? [subscriber spam towards the broadcast channel owner]

Mutual Help

ian August 30, 2026, 3:44pm 10

I have opened a feature request for you: