clearnet site.

Its next to impossible to make an account over Tor, as they make you supply another email, your phone number (destroying any anonymity), or even forcing you to donate them money (also destroying anonymity).

They can't provide the zero-access or full un-tamperable e2ee that they claim. Its functionally impossible on the email protocol.

They're partially owned and closely tied with the Swiss government.

They were developed with NSA and CIA oversight.

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