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Best transactional email plugins for WordPress

The most popular transactional email plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Elastic Email Sender leads with 10K+ active installs, ahead of Zoho ZeptoMail (5K+) and Bit SMTP (2K+). All 40 plugins tagged “transactional 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 10 transactional email plugins

  1. 1.
    Elastic Email Sender

    The most installed transactional email plugin, with 10K+ active installs. Rated 4.8 from 10 reviews, updated 11 months ago. Tested only up to WordPress 6.9.11.

  2. 2.
    Zoho ZeptoMail

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

  3. 3.
    Bit SMTP

    2K+ active installs. Rated 3.9 from 15 reviews, updated 2 days ago.

  4. 4.
    SMTP for SendGrid

    1K+ active installs. Only 2 reviews so far, updated 5 months ago.

  5. 5.
    Connect SendGrid for Emails

    800+ active installs. Only 2 reviews so far, last updated 2 years ago. Tested only up to WordPress 6.6.11.

  6. 6.
    Resend

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

  7. 7.
    Zoho ZeptoMail for WooCommerce

    200+ active installs. Only 1 review so far, updated 9 months ago. Tested only up to WordPress 6.8.12.

  8. 8.
    Freshjet

    90+ active installs. Only 2 reviews so far, last updated 5 years ago. Tested only up to WordPress 5.8.19.

  9. 9.
    Mesh SMTP

    50+ active installs. Only 1 review so far, updated 2 months ago.

  10. 10.
    SwiftTrap for Mailtrap

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

All 40 plugins tagged “transactional email”