Protonmail should provide a means of downloading emails en masse to an offline backup, perhaps in an encrypted archive that may be decrypted and decompressed into a format that may be read by apps like Thunderbird or Outlook (.pst or .eml).
To prevent freeloading, it can be made available only for paid subscriptions, and to enhance security, it can have encrypted download as a default setting, but it needs to be available. Without that capability, I find it too risky to make Protonmail my primary email.
NS
Protonmail should provide a means of downloading emails en masse to an offline backup, perhaps in an encrypted archive that may be decrypted and decompressed into a format that may be read by apps like Thunderbird or Outlook (.pst or .eml).
To prevent freeloading, it can be made available only for paid subscriptions, and to enhance security, it can have encrypted download as a default setting, but it needs to be available. Without that capability, I find it too risky to make Protonmail my primary email.