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Best spam email block plugins for WordPress

The most popular spam email block plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Spam Email Domain Exclusion for CF7 leads with 50+ active installs. All 1 plugins tagged “spam email block” 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 spam email block plugins

  1. 1.
    Spam Email Domain Exclusion for CF7

    The most installed spam email block plugin, with 50+ active installs. No reviews yet, last updated 1 year ago. Tested only up to WordPress 6.8.12.

All 1 plugins tagged “spam email block”