Long Term Content Protection

[Andrew Gallagher]

> On 26 Jun 2021, at 08:26, LisToFacTor via Gnupg-users <gnupg-users at gnupg.org> wrote:
> 
> Once a message reaches
> the recipient's operational environment, it should be decrypted,
> and its further protection is best addressed as part and parcel
> of the protection of that complete environment.

But this is not the way many people use email now. It is quite common to use multiple “operational environments” to access a common user mailbox, and that mailbox may not be under the user’s sole control. Any security model must take into account how people lready behave in practice… otherwise they will use insecure workarounds. 

A