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Best phpmailer plugins for WordPress

The most popular phpmailer plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. SMTP Mailer leads with 70K+ active installs, ahead of Zoho Mail for WordPress (20K+) and WPO365 (10K+). All 43 plugins tagged “phpmailer” 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 10 phpmailer plugins

  1. 1.
    SMTP Mailer

    The most installed phpmailer plugin, with 70K+ active installs. Rated 4.6 from 67 reviews, updated 2 months ago.

  2. 2.
    Zoho Mail for WordPress

    20K+ active installs. Rated 3.7 from 42 reviews, updated 5 months ago. Tested only up to WordPress 6.9.11.

  3. 3.
    WPO365

    10K+ active installs. Rated 5.0 from 41 reviews, updated 5 days ago.

  4. 4.
    Stop WP Emails Going to Spam

    10K+ active installs. Rated 4.8 from 51 reviews, updated 2 months ago.

  5. 5.
    Configure SMTP

    6K+ active installs. Rated 4.9 from 45 reviews, last updated 2 years ago. Tested only up to WordPress 6.5.14.

  6. 6.
    Zoho ZeptoMail

    5K+ active installs. Only 4 reviews so far, updated 1 month ago.

  7. 7.
    wp_mail return-path

    4K+ active installs. Rated 5.0 from 9 reviews, last updated 2 years ago. Tested only up to WordPress 6.3.14.

  8. 8.
    MailerSend

    2K+ active installs. Rated 2.8 from 12 reviews, updated 4 months ago. Tested only up to WordPress 6.9.11.

  9. 9.
    SAR Friendly SMTP

    2K+ active installs. Rated 4.6 from 46 reviews, updated 3 months ago.

  10. 10.
    Simple SMTP by Maileroo

    800+ active installs. Only 4 reviews so far, updated 7 months ago. Tested only up to WordPress 6.9.11.

All 43 plugins tagged “phpmailer”