> if emails should remain secret This is important. It is not always necessary or appropriate to try to maintain the secrecy of otherwise public, directory inf

> if emails should remain secret This is important. It is not always necessary or appropriate to try to maintain the secrecy of otherwise public, directory information (like email addresses). Unless you are, say, FetLife, it doesn't actually make that much sense to hide the fact that joe@example.com has at one point signed up for your service. On the other hand, associating joe@example.com with posts he thought were anonymous is an enormous violation.