Category Email

Protect your inbox and reputation by mastering SPF, DKIM, DMARC, and blacklist checks. You’ll discover how to publish, validate, and interpret authentication records, extract email headers for forensic analysis, and keep your domain’s email deliverability—and security—intact.

How DKIM and DMARC Work Together to Block Email Spoofing

Email spoofing—where attackers mask as trusted senders—is one of the oldest, nastiest tactics in the cybercriminal playbook. Thankfully, combining DKIM (DomainKeys Identified Mail) and DMARC (Domain-based Message Authentication, Reporting & Conformance) provides a powerful one-two punch to keep your domain…