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implementing-dmarc-dkim-spf-email-security

90 / 100 · Low risk

Fine to try. Some of what it can do is expected: a productivity skill usually connects to your mail, calendar or notes.

By onfire7777/universal-ai-skills-library (GitHub) · productivity · 17 stars · scanned at commit 2a76bf4

SPF, DKIM, and DMARC form the three pillars of email authentication. Together they prevent domain spoofing, validate message integrity, and define policies for handling unauthenticated mail. Proper im

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'implementing-dmarc-dkim-spf-email-security' ] || [ -L ~/.agents/skills/'implementing-dmarc-dkim-spf-email-security' ]; then echo 'A skill folder named implementing-dmarc-dkim-spf-email-security already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/onfire7777/universal-ai-skills-library' "$d" && git -C "$d" checkout --quiet '2a76bf42ce5c860adf8d0f3fcf3f6804109ac65b' -- 'skills/implementing-dmarc-dkim-spf-email-security' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/implementing-dmarc-dkim-spf-email-security' ~/.agents/skills/'implementing-dmarc-dkim-spf-email-security' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'implementing-dmarc-dkim-spf-email-security' ~/.claude/skills/'implementing-dmarc-dkim-spf-email-security' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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