Privacy guides

- Privacy guides
SMTP, IMAP, and POP3 are protocols used by email clients to send and receive
emails. We take an in-depth look.

Fingerprinting is a devious way to identify you on the internet and can be very
hard to prevent

What is personally identifiable information, and how can it be used against you?
We go over what PII stands for, and how you can protect it.

- Privacy guides
If you’re still holding on to an embarrassing email address, it’s time to change
it. Learn how to change your email address in five easy steps.

Follow our six easy tips to stay safe and private online this Safer Internet
Day. You can also share this guide with your friends and family.
Learn the different ways to send an email to multiple email addresses with our
explainer on To, CC, and BCC.

For Data Privacy Week this year, share our games, ideas, and top tips with your
friends and family to help them protect their online data.
- Privacy guides
Learn all about spam emails, how to identify and prevent them, and how spam
email filters work.

- Privacy guides
Ultimate guide to privacy policies: How to quickly read and understand a privacy
policy to take back control of your personal data.

- Privacy guides
We look at how encrypted email works and how Proton Mail keeps your messages
private with end-to-end encryption and zero-access encryption.
