Best email deliverability plugins for WordPress
The most popular email deliverability plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Mail Control leads with 60+ active installs, ahead of Mesh SMTP (50+) and DomainWarn Monitoring (fewer than 10). All 7 plugins tagged “email deliverability” 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 7 email deliverability plugins
- 1.
Mail ControlThe most installed email deliverability plugin, with 60+ active installs. Only 4 reviews so far, last updated 1 year ago. Tested only up to WordPress 6.7.11.
- 2.
Mesh SMTP50+ active installs. Only 1 review so far, updated 2 months ago.
- 3.
DomainWarn MonitoringFewer than 10 active installs. No reviews yet, updated 1 week ago.
- 4.
Tanichev Email Deliverability TesterFewer than 10 active installs. No reviews yet, updated 1 month ago.
- 5.
SPIRAL Connector for Contact Form 7Fewer than 10 active installs. No reviews yet, updated 4 months ago.
- 6.
InbxGuardFewer than 10 active installs. No reviews yet, updated 3 weeks ago.
- 7.
EmailIdea SMTP MailerFewer than 10 active installs. No reviews yet, updated 1 week ago.
All 7 plugins tagged “email deliverability”
Mail Control
Up in the last 7 days:26#19,541by Rahal Aboulfeth1 year ago
Design and customize email templates, control your SMTP email deliverability, track your emails clicks and openings, and send them as background task.
- Installs
- 60+
- Rating
- 5.0(4)
- Downloads
- 4/day
Mesh SMTP
#21,053by Mesh Creation2 months ago
Send WordPress email through SMTP with a simple 3-step setup, test email confirmation, privacy-first logs, provider presets, and safe diagnostics.
- Installs
- 50+
- Rating
- 5.0(1)
- Downloads
- 6/day
DomainWarn Monitoring
Up in the last 7 days:4,950#62,032by Wigandt Technology13 days ago
Monitors availability, certificate, DNS and email of your site – and reports what is invisible from outside: outdated plugins, a stalled WP-Cron.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
Tanichev Email Deliverability Tester
Up in the last 7 days:3,042#68,023by tanichev1 month ago
Find out if your site's emails reach the inbox or land in spam, and what to fix. Works with WooCommerce and any SMTP plugin.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
SPIRAL Connector for Contact Form 7
Down in the last 7 days:21,912#71,147by SPIRAL Inc.4 months ago
A WordPress plugin that integrates Contact Form 7 with SPIRAL®., securely storing submitted form data and safely delivering emails via SPIRAL®..
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
InbxGuard
Down in the last 7 days:6,316#72,799by ezzymd23 days ago
Inspect email authentication and mail attempts with SPF, DKIM, DMARC diagnostics, privacy-conscious logs and WooCommerce support.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
EmailIdea SMTP Mailer
Down in the last 7 days:5,593#74,151by Konceptwise Digital Media Pvt Ltd7 days ago
Send WordPress emails through EmailIdea SMTP. Fix emails not sending or going to spam, with a built-in email log and test email.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day