Similar WordPress plugins
Mailster Kickbox alternatives
The 12 WordPress plugins most like Mailster Kickbox, by the tags they share, the most in common first. Installs, ratings and updates come from WordPress.org and refresh every night.
Mailster Kickbox
10+ installs · #35,805 most popular
- Most recently updated
- miniOrange OTP Login, Verification and SMS Notifications
- Updated on Nov 6, 2026.
- Compare with Mailster Kickbox

User Verification by PickPlugins
by PickPlugins
Email verification for user registration to protect spam.
- Installs
- 4K+
- Rank
- #3,340
- Rating
- 4.5(63)
- Updated
- 5 days ago
- Compare with Mailster Kickbox

ZeroBounce Email Verification & Validation
by zerobounce
ZeroBounce validates emails on your WordPress site in real-time, blocking invalid and risky emails to improve deliverability and reduce bounce rates.
- Installs
- 900+
- Rank
- #7,201
- Rating
- 4.8(4)
- Updated
- 7 days ago
- Compare with Mailster Kickbox

Clearout Email Validator
by clearoutio
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+
- Rank
- #8,597
- Rating
- 4.2(13)
- Updated
- 14 days ago
- Compare with Mailster Kickbox

DeBounce Email Validator
by debounce
Real-time email validation for WordPress forms. Block invalid, disposable, and risky emails to keep your database clean and improve deliverability.
- Installs
- 300+
- Rank
- #10,679
- Rating
- 3.9(16)
- Updated
- 2 months ago
- Compare with Mailster Kickbox

Dilli Email Validator
by dillilabs
Validates email addresses in real-time and blocks form submissions with invalid or fake emails. Reduce spam, fix typos, and capture quality leads.
- Installs
- 90+
- Rank
- #16,947
- Rating
- 4.7(15)
- Updated
- 10 months ago
- Compare with Mailster Kickbox
OTP by Email for Contact Form 7
by Aurovrata Venet
A small Contact Form 7 extension plugin to enable email confirmation by unique links sent to the email inbox.
- Installs
- 70+
- Rank
- #18,950
- Rating
- No ratings
- Updated
- 3 years ago
- Compare with Mailster Kickbox

Emailable
by emailable
Verify emails in real-time with Emailable.
- Installs
- 30+
- Rank
- #23,422
- Rating
- 3.5(2)
- Updated
- 2 years ago
- Compare with Mailster Kickbox

Email Checker
by virtab
Prevent spam signups by bots and lost customers in comment, registration, and contact forms using Email Checker's Email Verification Plugin.
- Installs
- 10+
- Rank
- #43,640
- Rating
- No ratings
- Updated
- 9 years ago
- Compare with Mailster Kickbox

MailCheck.co
by Mailcheck.co
VALIDATE YOUR MAILING LIST IN ONE CLICK Be confident your mailing list contains only real emails addresses, get rid of bots and inactive users
- Installs
- 10+
- Rank
- #32,319
- Rating
- 5.0(1)
- Updated
- 3 years ago
- Compare with Mailster Kickbox
TrueMail Email Validator
by TrueMail.io
TrueMail plugin can be seamlessly integrated with all forms to verify the user email address in real-time before submission.
- Installs
- 10+
- Rank
- #47,936
- Rating
- No ratings
- Updated
- 6 years ago
- Compare with Mailster Kickbox
Customer Email Verification for WooCommerce
by WPFactory
Enhance WooCommerce security with Email Verification. Ensure genuine customer interactions, eliminate spam, and boost email marketing efficiency.
- Installs
- 8K+
- Rank
- #2,373
- Rating
- 4.8(47)
- Updated
- 27 days ago
Sharesemail verification
- Compare with Mailster Kickbox

miniOrange OTP Login, Verification and SMS Notifications
by miniOrange
OTP via SMS, Email/WhatsApp. WooCommerce SMS Notifications, Phone OTP Login, Passwordless Login, 10 Free SMS/Email Transactions, Custom SMS Gateway.
- Installs
- 5K+
- Rank
- #3,171
- Rating
- 4.7(439)
- Updated
- 4 days ago
Sharesemail verification
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