DNS TXT Records: SPF, DKIM, DMARC, and Why One Typo Breaks Everything
TXT records power email authentication and domain verification. Learn what they do, common mistakes, and a typo-proof checklist.
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Posts tagged with dmarc
DMARC Alignment Explained: Why Misalignment Makes Your Domain Spoofable
Understanding DMARC alignment is crucial for email security. Learn why your From: domain must match your SPF or DKIM domains to prevent spoofing.
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