Best email checker plugins for WordPress
The most popular email checker 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 Antideo Email Validator (700+) and Clearout Email Validator (500+). All 14 plugins tagged “email checker” 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 10 email checker plugins
- 1.
ZeroBounce Email Verification & ValidationThe most installed email checker plugin, with 900+ active installs. Only 4 reviews so far, updated 1 week ago.
- 2.
Antideo Email Validator700+ active installs. Rated 3.5 from 14 reviews, updated 7 months ago.
- 3.
Clearout Email Validator500+ active installs. Rated 4.2 from 13 reviews, updated 2 weeks ago.
- 4.
DeBounce Email Validator300+ active installs. Rated 3.9 from 16 reviews, updated 2 months ago.
- 5.
QuickEmailVerification200+ active installs. Rated 5.0 from 5 reviews, updated 1 month ago.
- 6.
Dilli Email Validator100+ active installs. Rated 4.7 from 15 reviews, updated 10 months ago. Tested only up to WordPress 6.9.11.
- 7.Email Checker for Contact Form 7
80+ active installs. Only 2 reviews so far, updated 3 months ago.
- 8.
Emailable30+ active installs. Only 2 reviews so far, last updated 2 years ago. Tested only up to WordPress 6.6.11.
- 9.
MailboxValidator Email Validator20+ active installs. Only 1 review so far, updated 2 months ago. Tested only up to WordPress 6.9.11.
- 10.
WP Email Verify10+ active installs. Only 2 reviews so far, last updated 8 years ago. Tested only up to WordPress 4.9.35.
All 14 plugins tagged “email checker”

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

Antideo Email Validator
Up in the last 7 days:48#7,616by Antideo8 months ago
Form email validation, Email Blacklist, Domain Blacklist, Form email check, Real time email validator Requires at least: 4.7 Tested up to: 6.9.
- Installs
- 700+
- Rating
- 3.5(14)
- Downloads
- 12/day

Clearout Email Validator
Down in the last 7 days:42#8,623by clearoutio14 days ago
Block invalid emails like temporary, disposable, etc. with our real-time email verification. Verify email address during form-fill and stop form spam.
- Installs
- 500+
- Rating
- 4.2(13)
- Downloads
- 20/day

DeBounce Email Validator
Up in the last 7 days:40#10,681by debounce2 months ago
Real-time email validation for WordPress forms. Block invalid, disposable, and risky emails to keep your database clean and improve deliverability.
- Installs
- 300+
- Rating
- 3.9(16)
- Downloads
- 11/day

QuickEmailVerification
Down in the last 7 days:30#12,807by quickemailverification1 month ago
The QuickEmailVerification email verification plugin to avoid fake, bad and nonexistent emails.
- Installs
- 200+
- Rating
- 5.0(5)
- Downloads
- 11/day

Dilli Email Validator
Down in the last 7 days:75#16,777by dillilabs10 months ago
Validates email addresses in real-time and blocks form submissions with invalid or fake emails. Reduce spam, fix typos, and capture quality leads.
- Installs
- 100+
- Rating
- 4.7(15)
- Downloads
- 5/day
Email Checker for Contact Form 7
Down in the last 7 days:79#17,408by Kalpraj Solutions3 months ago
Verifies email addresses in Contact Form 7 submissions using the Emails Checker API to prevent spam and invalid contacts.
- Installs
- 80+
- Rating
- 3.0(2)
- Downloads
- 0/day

Emailable
#23,243by emailable2 years ago
Verify emails in real-time with Emailable.
- Installs
- 30+
- Rating
- 3.5(2)
- Downloads
- 4/day

MailboxValidator Email Validator
Up in the last 7 days:331#27,746by MailboxValidator2 months ago
Email verification for WordPress forms. Block disposable, block spam, block invalid email, block free email and role-based email.
- Installs
- 20+
- Rating
- 1.0(1)
- Downloads
- 11/day

WP Email Verify
#41,878by Naqi8 years ago
Keep away SPAM comments,registration,ecommerce orders, WP Email Verify accepts email that really exisit this keep away bounced email
- Installs
- 10+
- Rating
- 3.0(2)
- 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

ThreatPoint Email Validator
Up in the last 7 days:9,903#59,219by ThreatPoint UK1 month ago
This plugin validates email in realtime using live connections and aggregated data, by leveraging the ThreatPoint email verification API service.
- Installs
- <10
- Rating
- 5.0(1)
- Downloads
- 0/day

Bulk Email Checker
#69,520by Bulk Email Checker2 months ago
Stop fake, disposable, and invalid emails with real-time verification, 32 form integrations, bulk user scans, smart caching, and analytics.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

NoParam Email Validation
Down in the last 7 days:12,012#74,092by NoParam1 year ago
NoParam offers real-time email validation for WordPress to prevent fake signups and spam, improving email deliverability.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day