Please add the ability to archive all email messages with e-discovery or legal hold capability. Regulated businesses need to be able to retrieve any emails, even deleted ones, from employees if regulators or legal discovery requires it. Need to be able to search, isolate, retrieve, export requested emails timely. Global Relay does this as a bolt one service but not for Proton. In the interest of privacy and security would Proton please provide for Business organizations.

See here for reference ideas / services:

https://www.globalrelay.com/products/archive-data-compliance/ediscovery-legal-hold/