Email Authentication Protocols: SPF, DKIM, & DMARC

This whitepapers attempts at explaining the popular email delivery authentication protocols: SPF, DKIM, and DMARC.

Email Authentication Protocols

by: Jennifer Nespola

This whitepapers explains the popular email authentication protocols: SPF, DKIM, and DMARC.

Identity theft, hacking, spoofing, phishing, and many more malicious activities are widespread problems across the Internet, especially with emails. Simple Mail Transfer Protocol (SMTP), which guides how email is sent from one computer to another, allows for a computer to identify any domain as its sending domain and/or from address. This vulnerability is one way email is exploited and why spam can run rampant. To combat these activities, authentication protocol were developed.

Zeta Global’s Deliverability team describes how SPF, DKIM and DMARC authentication protocols together work towards increasing email legitimacy and improving deliverability.

Contact us to learn more about email deliverability.

Download the whitepaper below.

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