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It caught me by surprise reading this article about @protonprivacy:

theintercept.com/2025/01/28/pr

Sharing in case anybody else missed it.
There are surely better privacy aware alternatives that don't potentially pass on data nor suck up to the fascists.

The Intercept · Proton Mail Says It’s “Politically Neutral” While Praising Republican PartyBy Nikita Mazurov
DroidPort

@purple @protonprivacy

What data do they pass on that is concerning here?

The comments about header info is literally how email works.