18 tagged email-security, measured the same way as everything else here.
Browse within: dmarc 15phishing 14awareness 13social-engineering 13threat-intelligence 10url-analysis 10incident-response 5
Skill Claude CodeCodex
Public-metadata domain intelligence - Microsoft 365 / Google Workspace tenant identification, email security configuration (DMARC, DKIM, SPF, MTA-STS, BIMI), SaaS fingerprinting from DNS, certificate-transparency findings, related-domain discovery. Use when a domain name appears alongside phrases like "what does use"…
Skill Claude CodeCodex
Inspect and fix email authentication (SPF, DKIM, DMARC, MTA-STS, BIMI) with Palisade. When to use: a domain's mail is being rejected or spoofed, a DMARC record needs writing or moving to p=reject, DMARC reports need reading, or an IT team or MSP wants ongoing monitoring across many domains. Not for sending or…
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