Many servers in the Fediverse have implemented “private mentions” or “private messages” or “direct messages” in a manner that uses the ActivityPub protocol without encryption. Fediverse server administrators are able to read all of these private messages on the server which means they’re not really private. Some have suggested making them encrypted so that server admins can’t read them, but that poses more problems. For example, who’s responsible for enforcing local laws on the server? …
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