Author
166 Tech team
Editorial review
Technical and SEO team
Last updated
20.10.2026
In this article 3
Why Email Security Matters
91% of cyberattacks start via email. Phishing, spam, and malware cause millions in damages. Corporate email protection must be your first line of defense.
SPF, DKIM, DMARC Explained
SPF defines authorized sending servers. DKIM verifies email integrity. DMARC combines both to prevent spoofing.
5 Protection Steps
Strong passwords, 2FA, SPF/DKIM/DMARC setup, security training, email filtering. 166 Tech includes all these in our email setup.