MTX Email DNS Validator for Contact Form 7
Advanced email validation for Contact Form 7 using DNS/MX records and SMTP verification to prevent invalid email submissions.
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·0 active installs·Updated 2 months agoAs of April 2026, MTX Email DNS Validator for Contact Form 7 is a WordPress dns plugin with 0 active installations and a 0/5 rating0. It has been downloaded 125 times in total. Requires WordPress 6.2+ and PHP 8.1+. Available on WordPress.org since 2026. Recently updated within the last 3 months. Top alternative: Simple DNS Prefetch.
0/5Rating
0active installs
125total downloads
2 monthssince 2026
Overview
MTX Email DNS Validator for Contact Form 7 prevents users from submitting contact forms with non-existent or invalid email addresses by performing DNS/MX record validation before form submission.
Features
Validation
* DNS/MX Record Validation – Verifies email domains have valid MX records
* SMTP Mailbox Verification – Advanced validation that checks if the specific email address/mailbox exists
* Abstract API Integration – Comprehensive third-party email validation with quality scoring, risk assessment, and breach detection
* Catch-All Domain Detection – Optionally reject domains that accept any email address (available in DNS+SMTP mode)
* Disposable Email Detection – Block temporary/throwaway email addresses (via Abstract API)
* Role-Based Email Detection …
Ratings & Reviews
00 reviews
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Compatibility
| WordPress | 6.2+ requiredTested up to 6.9.4 |
| PHP | 8.1+ required |
| Dependencies | contact-form-7 |
Top Alternatives to MTX Email DNS Validator for Contact…
Frequently Asked Questions
Changelog
1.1.0 – 2026-02-01
New Feature: Abstract API Email Validation
* Added Abstract API as a third validation mode for comprehensive email verification
* Abstract API provides advanced validation including:
– Email deliverability status (deliverable/undeliverable)
– Email quality score (0.0 – 1.0)
– Disposable email detection
– Catch-all domain detection
– Role-based email detection (info@, admin@, etc.)
– Email risk assessment (low/medium/high)
– Domain information and reputation
– Email breach history
* New API key setting for Abstract API configuration
* Detailed validation feedback with status messages
Enhanced Log Viewer
* Added expandable rows in validation logs to view detailed API response data
* Collapsible sections for organized data display:
– Email Deliverability: Status, format validity, SMTP validity, MX records
– Email Quality: Quality score, free email, disposable, catch-all, role-based flags
– Email Risk Assessment: Address risk status, domain risk status
– Domain Information: Domain age, registrar, registration dates, live site status
– Email Breach History: Total breaches, breach dates, affected domains
Database Updates
* Added details column to logs table for storing comprehensive API response data
* Existing logs without details will show “No detailed validation data available”
Contributors
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.