Does Protonmail work in China?

不能用。2020 年 4 月 22 日，ProtonMail 在其 ProtonVPN Twitter 上证实，ProtonMail 和 ProtonVPN 在中国被禁止，因为它不允许政府spy。来自维基百科

Protonmail FAQ Does ProtonVPN work in China? Can the police track ProtonMail? Do I need a phone number to register a ProtonMail mailbox? What does a ProtonMail address look like? Is ProtonMail legal in the US? Is ProtonMail more secure than Gmail? How many free ProtonMail accounts can I have?