this post was submitted on 30 Oct 2025
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Delta chat criticism against Signal (piefedimages.s3.eu-central-003.backblazeb2.com)
submitted 2 months ago by Blaze@piefed.zip to c/privacy@programming.dev
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[–] onlinepersona@programming.dev 5 points 2 months ago (1 children)

Deltachat? Aren't they reliant on email servers that leak meta data?

[–] entwine@programming.dev 3 points 2 months ago (1 children)

From, the only info that's leaked is:

  • message date
  • sender/receiver addresses
  • message size

So not nothing, but probably not a serious risk for most people, unless you decide to use an identifiable address for sending/receiving. Idk how Signal protects metadata, but it requires a real phone number, so it's probably not as secure as people think.

[–] onlinepersona@programming.dev 0 points 2 months ago

Delta doesn't support perfect forward secrecy nor post quantum encryption. It's more secure than people think.