I'm all for rolling out opportunistic STARTTLS, but I don't see how you can surface it in the UI in a way that's meaningful to the vast majority of users. If S

I'm all for rolling out opportunistic STARTTLS, but I don't see how you can surface it in the UI in a way that's meaningful to the vast majority of users. If STARTTLS was not used, the message might have been intercepted. If STARTTLS was used, it's less likely it was intercepted, but it still easily could have been. (How much less likely? No one knows for sure.) How is this information helpful to users? Let's get things like DANE and pinning deployed first. Once Gmail can make a strong assertion that a message was securely delivered, then it can surface this information.