FluentSMTP is a completely free WordPress SMTP plugin offering premium-level features including multiple SMTP connections, email logging, smart routing, and detailed reports without any paywalls or feature locks.

FluentSMTP provides enterprise-grade email delivery features at zero cost with no limitations or forced upgrades. The plugin supports 10+ SMTP connections simultaneously, including Amazon SES, Gmail, Google Workspace, Outlook, Mailgun, Brevo, SendGrid, Postmark, and SMTP2GO. Advanced features like email logging, fallback delivery, smart routing, and detailed delivery reports are all included in the free version. The plugin has achieved 4.8/5 rating with 500K+ active installations on WordPress.org.
Free WordPress SMTP Plugin with Premium Features
G2 Rating
Starting Price
Used By Count
The #1 SEO plugin for WordPress used by 3M+ websites
Founded
G2 Rating
Starting Price
All in One SEO (AIOSEO) is the original WordPress SEO plugin that helps you improve your website SEO (search engine optimization). All in One SEO is the original WordPress SEO plugin started in 2007. Today, over 3 million website owners and SEO experts use AIOSEO for higher SEO rankings.
Open-Source Ecommerce Platform for WordPress
Founded
Starting Price
WooCommerce is a free, open-source ecommerce platform that extends WordPress to enable online selling with unlimited products, orders, and full API access without platform fees or revenue sharing.
#1 WordPress SMTP Plugin for Email Delivery
Starting Price
WP Mail SMTP is a WordPress plugin that fixes email delivery issues by routing all emails through a reliable SMTP service. It includes email logging, tracking, and delivery reports.