HowToGeek: ”

• Websites may sell your email address to spammers or leak your address in a data breach.
• An email alias service hides your real email address and makes it easier to curb spam.
• Choose an email alias service like Proton Mail for top-notch encryption, or AnonAddy for easy, on-the-fly alias generation.

You can’t increase your privacy or security without changing your habits. Using your real email address to sign into websites is one such habit—you’ve spent decades typing the same email address into every website, and you’ve made yourself vulnerable to both spammers and hackers in the process. Thankfully, this habit is very easy to correct. You just need to use email aliases…”