Guides & Resources

Email and Privacy: Why Your Address Is Worth Gold

Your email address is one of the most valuable pieces of personal data you own. Companies buy, sell, and trade email lists worth billions of dollars every year. Understanding why your inbox is a target is the first step to protecting it.

SMTP: Why We Still Use This 1982 Protocol

The Simple Mail Transfer Protocol was defined in RFC 821 in August 1982 — before the World Wide Web even existed. Despite its age, SMTP remains the backbone of every email sent today. Here is why it endures and how it has evolved.

Will Email Disappear?

Every few years, a new technology is heralded as the email killer. Slack, Teams, WhatsApp, social media — they were all supposed to replace email. Yet email usage keeps growing. Will it ever actually disappear?

How Email Encryption Works: SPF, DKIM, TLS, and End-to-End

Email was not designed with security in mind, but over four decades of patches and extensions have added multiple layers of protection. Understanding how SPF, DKIM, TLS, and end-to-end encryption work helps you make informed decisions about your email security.

Spam: How It Works and How to Protect Yourself

Spam accounts for nearly half of all email traffic worldwide. From Nigerian prince scams to sophisticated phishing campaigns, unwanted email is a billion-dollar problem. Understanding how spammers operate is the best defense.

Data Breaches: Is Your Email Compromised?

Over 12 billion account records have been exposed in data breaches since 2004. Your email address has almost certainly been part of at least one. Here is what happens when your data leaks, why it matters, and what you can do about it.

Temporary Email vs VPN: Which Protection to Choose?

Both temporary email services and VPNs are popular privacy tools, but they protect different things. Understanding when to use each — or both — is essential for a solid privacy strategy.

Tracking Pixels: How Companies Spy on You via Email

That newsletter you just opened? The sender knows exactly when you read it, what device you used, and your approximate location. Tracking pixels are invisible surveillance tools embedded in billions of emails every day.

GDPR and Your Email Address: Your Rights

The General Data Protection Regulation gives EU residents powerful rights over their personal data, including their email address. Most people do not exercise these rights because they do not know they exist. Here is what you can actually demand from any company that has your email.

How to Clean Your Digital Footprint

Every account you have ever created, every form you have ever filled out, every newsletter you have ever subscribed to — they all contribute to your digital footprint. Here is a practical guide to reducing it.

Phishing: How to Recognize a Fake Email

Phishing attacks cost businesses and individuals billions of dollars every year. The emails are getting more sophisticated, but there are still reliable ways to spot them. This guide teaches you what to look for.

The Business of Selling Email Addresses

Your email address is a commodity traded on a vast market you never see. Data brokers, marketing companies, and underground operators profit from buying and selling billions of email addresses. Here is how the industry works.

Email vs Messaging Apps: Who Will Win?

WhatsApp has 2 billion users. Slack dominates workplace chat. Signal offers end-to-end encryption. Yet email is not going anywhere. This article explores why both coexist and what each does better.

Why You Should Use a Different Address per Service

Using the same email address everywhere is like using the same key for your house, car, office, and safe deposit box. If one gets compromised, everything is at risk. Here is the case for email compartmentalization.

The Future of Digital Identity

Your email address has been your primary digital identity for three decades. But decentralized identity, passkeys, biometrics, and zero-knowledge proofs are reshaping how we prove who we are online. What does the future look like?