Best email debug plugins for WordPress

The most popular email debug plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. MailTally leads with fewer than 10 active installs. All 1 plugins tagged “email debug” 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.

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All 1 plugins tagged “email debug”