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Mail Auth Info Viewer 1.1.8
автор Shota
Visualizes SPF, DKIM, DMARC and ARC authentication results, sender alignment, delivery route with per-hop TLS status, link safety analysis, and authentication strength warnings - directly on the message view. All processing is local.
Об этом дополнении
Mail Auth Info Viewer analyzes the headers and body of the displayed message locally and renders a color-coded dashboard directly on the message view.
Authentication
Authentication
- SPF / DKIM / DMARC status with DMARC policy display and alignment indicators (RFC 7489), including per-signature DKIM results with selectors.
- ARC chain visualization (RFC 8617), displayed separately from the main verdict.
- Authentication strength warnings: weak DKIM keys, rsa-sha1 signatures, partial body signing (l= tag), DMARC sp=none and pct below 100.
- Only Authentication-Results headers from the receiving server (authserv-id) are trusted for the verdict.
- Side-by-side comparison of display name, Header From and Envelope From, with organizational-domain alignment based on a bundled Public Suffix List.
- Display-name spoofing and Reply-To mismatch detection, with allowances for legitimate email relay services such as Firefox Relay.
- Hop-by-hop route with time delays, internal/external IP classification, and the TLS encryption status recorded for each hop.
- Four-tier link analysis: deceptive link text, dangerous URI schemes, embedded forms, IP-address links, IDN homographs, URL shorteners, untrusted external domains, and tracking pixels.
- Trusted link domains with a one-click trust shortcut and text-based import/export.
- One-click copy of a structured plain-text analysis report for tickets and incident reports.
- Verdict reason tags, dark mode support, 12-language UI, and closed Shadow DOM isolation from email CSS.
- Privacy first: all processing is performed locally. No data is collected or transmitted.
