Of course the other option with email is that everything is in plaintext... There are more secure options of course, but none of them are compatible with each

Of course the other option with email is that everything is in plaintext... There are more secure options of course, but none of them are compatible with each other, and the most popular ones are more like instant messaging than email. I wish there was a secure communication channel similar to email, but as ubiquitous as https.