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Fundamentals of Email Security

The "guarding of the ship." This section defines email security as the defensive practice of protecting your domain from being "hijacked" (spoofed) and protecting your users from being "attacked" (phished).

10 questions in this topic

What is email security? Why does email need protection? What are the biggest threats to email systems today? What’s the difference between spam and phishing? What are inbound vs outbound email threats? How do mailbox providers detect malicious messages? How do domain owners protect their reputation from spoofing? What’s the difference between authentication and encryption? What are “attack surfaces” in email? How does email security overlap with deliverability?