That's pretty cool, and a good write-up, too. Thanks for the link. Obviously still doesn't help for the GMail case unless Google starts publishing their code,

That's pretty cool, and a good write-up, too. Thanks for the link. Obviously still doesn't help for the GMail case unless Google starts publishing their code, and they pretty much give up on email search, and somehow the whole chain of email cross-provider lands in these enclaves, but it's very interesting.