In a digital era ripe with cyber threats, safeguarding email integrity is non-negotiable. DKIM, SPF, and DMARC are the frontline defenses: DKIM: Ensures email content integrity via digital signatures. SPF: Authorizes legitimate email servers for sending. DMARC: Dictate email handling post-authentication checks. Implementing these protocols is paramount for thwarting spoofing, phishing, and preserving trust. Stay ahead with Infosec Train's CompTIA Security+ Certification Course