Protonmail is not ahead in terms of technology. Lavabit is developing new email protocols, Protonmail is just a centralized service, and only its client is open-source: https://github.com/ProtonMail/WebClient
> The best way is to upgrade your account to a paid account and take advantage of the numerous extra features we provide with paid accounts. [0]
Laws are a high latency side-chain of authority; a guide perhaps; and for some a business opportunity.
And then we have Organised Crime, moles, plants; informants, sympathesiers, casual snitches, quadruple agents, the desperate, and machine learning eating meta-data for breakfast.
If you've got something to hide "it's not legal for support staff to [whatever]" is most definitely not a security measure.
At least publicly. Behind the scenes there could be a sharing bonanza for all we know.
LOL.
The more services there are, the better.