[kardianos]

This is how all HIPAA "secure email" works. Outlook, Zoho, clinic comms, BECAUSE it lets you revoke email access.

If you want an opportunity in this space, it isn't actually encrypted emails, but possibly standardizing and streamlining such "message pointers" and address endpoint verification.

[perching_aix]

> lets you revoke (...) access

That's pretty funny.