Best email tester plugins for WordPress
The most popular email tester plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. ZeroBounce Email Verification & Validation leads with 900+ active installs, ahead of Automatic Email Testing for WP (300+) and turboSMTP Email Validator (10+). All 5 plugins tagged “email tester” 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 5 email tester plugins
- 1.
ZeroBounce Email Verification & ValidationThe most installed email tester plugin, with 900+ active installs. Only 4 reviews so far, updated 1 week ago.
- 2.
Automatic Email Testing for WP300+ active installs. Rated 5.0 from 5 reviews, last updated 1 year ago. Tested only up to WordPress 6.8.12.
- 3.
turboSMTP Email Validator10+ active installs. No reviews yet, updated 1 week ago.
- 4.
Email Checker10+ active installs. No reviews yet, last updated 9 years ago. Tested only up to WordPress 4.7.39.
- 5.
Email Sender ControlFewer than 10 active installs. No reviews yet, last updated 1 year ago. Tested only up to WordPress 6.8.12.
All 5 plugins tagged “email tester”
ZeroBounce Email Verification & Validation
Down in the last 7 days:51#7,233by zerobounce7 days ago
ZeroBounce validates emails on your WordPress site in real-time, blocking invalid and risky emails to improve deliverability and reduce bounce rates.
- Installs
- 900+
- Rating
- 4.8(4)
- Downloads
- 18/day
Automatic Email Testing for WP
Up in the last 7 days:101#10,570by WebBuddy1 year ago
[UPDATED!] Automatic Email Testing for WP plugin allows you to set up a system inside wordpress to test your email server every day.
- Installs
- 300+
- Rating
- 5.0(5)
- Downloads
- 11/day
turboSMTP Email Validator
Up in the last 7 days:5,271#42,684by turboSMTP11 days ago
Email validation tool in WordPress forms registrations using turboSMTP API
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Email Checker
Up in the last 7 days:4,118#43,640by virtab9 years ago
Prevent spam signups by bots and lost customers in comment, registration, and contact forms using Email Checker's Email Verification Plugin.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Email Sender Control
#52,381by Md Asik1 year ago
Set custom WP sender name/email, send test emails, and search, sort, or view detailed logs to track, debug, and ensure reliable email delivery.
- Installs
- <10
- Rating
- –
- Downloads
- 2/day