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Best mailboxvalidator plugins for WordPress

The most popular mailboxvalidator plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Email Validator for Contact Form 7 leads with 400+ active installs. All 1 plugins tagged “mailboxvalidator” are below, with figures from WordPress.org that update every day.

Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.

Research this niche or see all plugins.

Top 1 mailboxvalidator plugins

  1. 1.
    Email Validator for Contact Form 7

    The most installed mailboxvalidator plugin, with 400+ active installs. Only 4 reviews so far, updated 2 months ago.

All 1 plugins tagged “mailboxvalidator”