Thinking about secure messaging vs. secure e-mail

So there was this discussion about privacy-oriented providers. Which led to urls about this and that and one included this generalization:

Illustration of message encrypting with key, leaving phone as zeros and ones, arriving and decrypting with key.
from “Why Use End-To-End Encrypted Messaging Apps” at Pinngle.

Signal is, therefore, the best solution currently available for keeping the actual contents of messages secure. OTR is also a good option for desktop users. – Douglas Crawford

That may be true for M Crawford’s use case. But I (and most everyone I know) use e-mail to get told my purchase is shipping, receive my flight itinerary, and to verify my internet service accounts. You know, the real metadata of life which needs protection. Continue reading “Thinking about secure messaging vs. secure e-mail”