Q. Recently, I’ve become concerned about the privacy of sending email. What’s a cheap and easy way to protect my email messages? A. I’ve consistently preached that the use of unencrypted email is the ...

Every time you send an email, shop online, or log in to your account, your information is vulnerable to being intercepted.

Reflect for a moment on the fact that the “S” in SMTP stands for “simple,” not “secure.” The e-mail protocol was originally developed for a small number of collegial scientists sending messages about ...