Limited-Time Offer

Get Extra 20% off on FullCharge Yearly Plan — available for first 10 users only. Don’t miss out! 🚀

TrackWP

Best SMTP relay plugins for WordPress

The most popular SMTP relay plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. CheetahSender For WordPress leads with 10+ active installs. All 1 plugins tagged “SMTP relay” 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 SMTP relay plugins

  1. 1.
    CheetahSender For WordPress

    The most installed SMTP relay plugin, with 10+ active installs. No reviews yet, last updated 13 years ago. Tested only up to WordPress 3.2.1.

All 1 plugins tagged “SMTP relay”