Please start encrypting your emails.

If you send email, be warned: it's insecure. 

There are a few ways in which you can ensure that you're communicating securely, depending on your OS.

macOS: https://gpgtools.tenderapp.com/kb/how-to/first-steps-where-do-i-start-where-do-i-begin-setup-gpgtools-create-a-new-key-your-first-encrypted-mail

Linux: https://ssd.eff.org/en/module/how-use-pgp-linux

Windows: https://ssd.eff.org/en/module/how-use-pgp-windows-pc

(The guides come from the default "share your key" function in the gpg tools suite. I am not responsible for anything that goes wrong.)