[mtmail]

That means subject to Swiss surveillance laws as well. Not worse than other western countries but Switzerland isn't a safe haven for privacy.

"All Internet service providers must retain the following data for six months:

type of the connections [...] and if known login data, address information of the origin (MAC-address, telephone number), name, address and occupation of the user and duration of the connection from beginning to end

time of the transmission or reception of an email, header information according to the SMTP-protocol and the IP adresses of the sending and receiving email application"

https://en.wikipedia.org/wiki/Telecommunications_data_retent...

[Veratyr]

These laws don't apply to Protonmail: https://protonmail.com/blog/swiss-surveillance-law/

> As a participant in these discussions, we can confirm unequivocally that upon implementation, the provisions regarding data retention introduced by the BÜPF will exempt companies like ProtonMail and ProtonVPN which are not major telecommunications operators.