Cybersecurity Infographic Series · Workforce, Endpoint and Data Protection
Email Authentication (SPF, DKIM, DMARC)
SPF can pass on a completely different domain than the one shown in the visible From field. DMARC exists specifically to close that gap, requiring the authenticated domain to actually align with what the recipient sees — without it, a spoofed email can pass every individual check.
Downloads
- Infographic (PNG, 2880×6888, 1.5 MB)
- Field reference (PDF, 2 sheets, 487 KB)
- Infographic, light edition (PNG, 1.6 MB)
- Field reference, light edition (PDF, 491 KB)
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Free to download, no sign-up. Topic 65 of 92 in the series.