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Best test email plugins for WordPress

The most popular test email plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. WP Test Email leads with 20K+ active installs, ahead of WP SMTP Mailer (80+) and Mailsure (40+). All 9 plugins tagged “Test email” 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 9 test email plugins

  1. 1.
    WP Test Email

    The most installed test email plugin, with 20K+ active installs. Rated 4.7 from 15 reviews, last updated 2 years ago. Tested only up to WordPress 6.6.11.

  2. 2.
    WP SMTP Mailer

    80+ active installs. Only 1 review so far, last updated 2 years ago. Tested only up to WordPress 6.6.11.

  3. 3.
    Mailsure

    40+ active installs. Only 1 review so far, last updated 2 years ago. Tested only up to WordPress 6.5.14.

  4. 4.
    WPC Email Preview and Log for WooCommerce

    20+ active installs. No reviews yet, updated 1 month ago.

  5. 5.
    icomm SMTP

    10+ active installs. No reviews yet, updated 3 weeks ago.

  6. 6.
    SSF SMTP Mailer

    Fewer than 10 active installs. No reviews yet, updated 2 weeks ago.

  7. 7.
    Lana Email Tester

    Fewer than 10 active installs. No reviews yet, last updated 4 years ago. Tested only up to WordPress 6.0.18.

  8. 8.
    SH Email Tester

    Fewer than 10 active installs. No reviews yet, updated 9 months ago. Tested only up to WordPress 6.9.11.

  9. 9.
    Ninja Test Email

    Fewer than 10 active installs. No reviews yet, updated 11 months ago. Tested only up to WordPress 6.8.12.

All 9 plugins tagged “Test email”