On Sat, 11 Aug 2018, Aki Tuomi wrote:

While this is true, it can be useful to encrypt messages in-rest at 3rd party storage.

Sure, in this case, mail operator != storage operator. It's not apparent those who clamour for it know the difference.

For end user, only PGP or similar provides sufficient security against admin.

For content. Metadata can also reveal a lot.

If the goal is to ensure privacy using a third-party storage provider (and assuming mail handlers are implictly trusted), it seems more productive to invest effort into block/FS level encryption that comprehensively protects all data.

Joseph Tam jtam.home@gmail.com