InbxGuard Email Deliverability Auditor

Popis

Stop losing customer trust and sales because important emails — order confirmations, shipping notices, password resets, or contact form replies — silently land in spam folders.

InbxGuard Email Deliverability Auditor runs automated, non-intrusive diagnostic checks against your site’s email authentication records, IP reputation, and sender configuration. It evaluates your setup against 2024+ Gmail, Yahoo, and Outlook bulk sender requirements and gives you a clear Deliverability Health Score (0–100) with plain-English fixes.

Works with any WordPress site. WooCommerce is optional — when WooCommerce is active, the plugin provides additional WooCommerce-specific email risk analysis.

Why You Need This

• Silent Failures: Sites often have no idea that emails are going to spam until frustrated users complain.
• Strict 2024+ Mail Requirements: Major mailbox providers (Google, Yahoo, Microsoft) now actively reject or spam-box unauthenticated emails sent from domains without proper SPF, DKIM, and DMARC alignment.
• IP Blacklist Detection: Your server IP may be on spam blacklists without you knowing — this plugin checks 5 major DNSBLs automatically.
• WooCommerce-Aware Context: When WooCommerce is active, the plugin cross-references your DNS health directly with your WooCommerce email templates to show you exactly which transactional emails are at risk.

Core Features

• Instant Health Score (0–100): Visual animated score ring that rates your overall deliverability readiness.
• SPF Record Audit: Verifies the existence and syntax of SPF records (v=spf1) on your sending domain.
• DMARC Record Audit: Checks if _dmarc policy is published to protect your domain reputation.
• DKIM Selector Probing: Checks common selector patterns (default, google, k1, mail, etc.) to detect DKIM signing status.
• IP Blacklist Checker: Scans your server IP against 5 major DNS-based blacklists (Spamhaus, SpamCop, Barracuda, SORBS, PSBL).
• Reverse DNS (PTR) Validation: Verifies your server IP has a valid PTR record — emails without reverse DNS get spam-filtered.
• BIMI Record Detection: Checks for Brand Indicators for Message Identification to improve inbox trust and brand visibility.
• SSL/TLS Check: Verifies your site uses a secure HTTPS connection, a trust signal for email providers.
• Sender Alignment Check: Confirms whether your „From“ address domain matches your site domain.
• Public Webmail Detector: Flags dangerous configurations (e.g. sending as @gmail.com or @yahoo.com), which trigger instant spam filters.
• SMTP Provider Detection: Identifies if an authenticated SMTP/API mailer plugin is active (WP Mail SMTP, FluentSMTP, Post SMTP, etc.).
• WooCommerce Email Risk Table: (When WooCommerce is active) Assesses every registered transactional email and ranks customer-facing emails by risk level.
• Postmaster Tools Quick Links: Direct links to Google Postmaster Tools, Microsoft SNDS, Yahoo Postmaster, and MXToolbox for your domain.
• Actionable Step-by-Step Fixes: Plain-English instructions for resolving every detected warning or failure.
• One-Click AJAX Re-Scan: Test DNS changes instantly without refreshing the page.
• Lightweight & Secure: Zero frontend impact, transient-cached DNS lookups (6-hour TTL), rate-limited scanning, and strict capability checks.
• HPOS Ready: Fully declared and compatible with WooCommerce High-Performance Order Storage (HPOS) when WooCommerce is active.

External Services & Privacy

This plugin uses external services and collects data to function effectively. In compliance with WordPress.org guidelines, please review the following disclosures:

• DNSBL Providers: To check your server’s IP reputation, the plugin queries public DNS-based blacklists (including Spamhaus, SpamCop, Barracuda, SORBS, and PSBL). This involves sending your server’s public IP address to these external DNS servers during the audit.
• Freemius SDK: This plugin uses the Freemius SDK for license management, usage tracking (if opted-in), and secure checkout for the Pro version. Freemius may collect non-sensitive diagnostic data and plugin usage metrics. You can view their privacy policy at https://freemius.com/privacy/.
• Email Logging Privacy: The Pro version stores the headers and body of sent transactional emails locally in your WordPress database to help you troubleshoot deliverability. Because these logs may contain personal data (like names, email addresses, and order details), we strongly recommend configuring a short log retention period (e.g., 14 or 30 days) in the plugin settings and consulting your privacy policy to ensure GDPR/CCPA compliance.