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Best email syntax check plugins for WordPress

The most popular email syntax check plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Antideo Email Validator leads with 700+ active installs. All 1 plugins tagged “Email Syntax Check” 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 email syntax check plugins

  1. 1.
    Antideo Email Validator

    The most installed email syntax check plugin, with 700+ active installs. Rated 3.5 from 14 reviews, updated 7 months ago.

All 1 plugins tagged “Email Syntax Check”