Best SMTP mailer plugins for WordPress
The most popular SMTP mailer plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. WP SMTP Mailer leads with 80+ active installs, ahead of SMTP Mailer by ReadyGo (20+) and Stars SMTP Mailer (10+). All 3 plugins tagged “smtp mailer” 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 3 SMTP mailer plugins
- 1.
WP SMTP MailerThe most installed SMTP mailer plugin, with 80+ active installs. Only 1 review so far, last updated 2 years ago. Tested only up to WordPress 6.6.11.
- 2.
SMTP Mailer by ReadyGo20+ active installs. No reviews yet, updated 2 months ago.
- 3.
Stars SMTP Mailer10+ active installs. No reviews yet, updated 3 months ago.
All 3 plugins tagged “smtp mailer”
WP SMTP Mailer
Down in the last 7 days:77#17,714by Boopathi Rajan2 years ago
WP SMTP Mailer is a simple and flexible plugin to configure SMTP settings in WordPress. It allows you to set up SMTP credentials, test email sending, …
- Installs
- 80+
- Rating
- 5.0(1)
- Downloads
- 0/day
SMTP Mailer by ReadyGo
Down in the last 7 days:180#27,490by mkbplatinum2 months ago
SMTP mailer for reliable WordPress email — multiple SMTP and API providers, weighted load-balancing, automatic failover, and full logging.
- Installs
- 20+
- Rating
- –
- Downloads
- 0/day
Stars SMTP Mailer
Up in the last 7 days:170#32,775by Myriad Solutionz3 months ago
Every email your WordPress website sends is important — whether it’s a contact form message, password reset, order update, or newsletter.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day