Configure email authentication so legitimate mail lands and spoofed mail is blocked. Covers SPF, DKIM, DMARC (with the p=none → p=quarantine → p=reject migration path), MTA-STS, TLS-RPT, ARC, and BIMI. Invoke when launching a new sending domain, when domains are being spoofed, or when transactional email is landing in spam.
How to install email-deliverability-security?
goldenwing-360/claude-security-skills/email-deliverability-security
$npx -y skills add goldenwing-360/claude-security-skills --skill email-deliverability-securityInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/goldenwing-360/claude-security-skills" --skill "goldenwing-360/claude-security-skills/email-deliverability-security"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/goldenwing-360/claude-security-skills" that are relevant to the current task. Run `npx skills add "https://github.com/goldenwing-360/claude-security-skills"` and select the relevant skills, then follow their instructions.
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