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Best mail system plugins for WordPress

The most popular mail system plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. WP Mail leads with 600+ active installs. All 1 plugins tagged “mail system” 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 mail system plugins

  1. 1.
    WP Mail

    The most installed mail system plugin, with 600+ active installs. Only 1 review so far, last updated 10 years ago. Tested only up to WordPress 4.6.30.

All 1 plugins tagged “mail system”