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Creators can claim the listing to update ownership signals."},"stats":{"stars":22192,"forks":9827,"downloads":0,"rating":0,"review_count":0,"quality_score":73.62},"quality":{"score":100,"tier":"excellent","label":"Excellent","summary":"High-confidence pick with strong adoption and healthy maintenance signals.","signals":[{"label":"GitHub stars","value":"22K","tone":"positive"},{"label":"Freshness","value":"27d ago","tone":"positive"},{"label":"Install ready","value":"Yes","tone":"positive"},{"label":"License","value":"LGPL-2.1","tone":"neutral"}],"warnings":[]},"trust":{"version":"trust-score-v4","score":92,"tier":"production","label":"Production candidate","summary":"Strong OpenAgentSkill Trust Score across adoption, recent maintenance, license clarity, documentation, dependency/runtime risk, install safety, permission surface, and install availability.","recommendedAction":"Shortlist for production use, then run a normal repository and dependency review.","dimensions":[{"id":"github_adoption","label":"GitHub adoption","score":100,"weight":0.13,"status":"pass","detail":"22K GitHub stars"},{"id":"repo_activity","label":"Stars/forks activity","score":100,"weight":0.08,"status":"pass","detail":"22K stars, 9.8K forks; issue activity unavailable in current metadata"},{"id":"maintenance","label":"Recent maintenance","score":100,"weight":0.14,"status":"pass","detail":"27d since push"},{"id":"license","label":"License clarity","score":86,"weight":0.09,"status":"pass","detail":"LGPL-2.1"},{"id":"documentation","label":"README/SKILL.md completeness","score":74,"weight":0.14,"status":"info","detail":"Public metadata needs stronger README/SKILL.md context"},{"id":"dependency_risk","label":"Dependency/runtime risk","score":90,"weight":0.12,"status":"pass","detail":"no major dependency risk hints in public metadata"},{"id":"installability","label":"Install availability","score":92,"weight":0.1,"status":"pass","detail":"npx skills add PHPMailer/PHPMailer"},{"id":"install_safety","label":"Install command safety","score":92,"weight":0.1,"status":"pass","detail":"standard package or runtime install path"},{"id":"permission_surface","label":"Permission surface","score":86,"weight":0.07,"status":"pass","detail":"filesystem or document access"},{"id":"repository","label":"Repository evidence","score":86,"weight":0.04,"status":"pass","detail":"https://github.com/PHPMailer/PHPMailer"},{"id":"review_status","label":"Review status","score":88,"weight":0.05,"status":"pass","detail":"AI review data available"},{"id":"agent_outcomes","label":"Agent Proven outcomes","score":54,"weight":0.13,"status":"info","detail":"No agent outcome data yet"}],"checks":[{"status":"pass","label":"GitHub adoption","detail":"22K GitHub stars"},{"status":"pass","label":"Stars/forks activity","detail":"22K stars, 9.8K forks; 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Join the discord: https://discord.gg/asfXzBUhZr","category":"productivity-automation","tags":["email","automation","productivity","dovecot","email-marketing","mail","mailserver","newsletter","newsletters","postfix"],"author":{"name":"Billionmail","verified":true,"url":"https://github.com/Billionmail"},"attribution":{"status":"community_indexed","statusLabel":"Community indexed","shortLabel":"COMMUNITY INDEXED","sourceLabel":"GitHub star discovery","sourceDetail":"Billionmail/BillionMail","creatorName":"Billionmail","creatorUrl":"https://github.com/Billionmail","sourceUrl":"https://github.com/Billionmail/BillionMail","indexedBy":"OpenAgentSkill community index","claimUrl":"https://www.openagentskill.com/skills/billionmail-billionmail#claim-this-skill","claimCta":"Claim this skill","trustNote":"This listing was indexed from public sources and is not marked official until a maintainer claim is approved.","publicNote":"Attribution links to the public repository or creator profile. 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