Growth · alternatives · 2026

24 alternatives to Email Validation Plugin for WordPress

Unlimited Real Time Email Validations For Free

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Email Validation Plugin for WordPress launched in 2020; newer entries below may have overtaken it.

1. 1
   Email Validation and Blocklist▲2

   WordPress plugin enabling local email validation & blocklist

   Jul 2026 · wordpress.org · its alternatives →

2. 2
   Validate Email – 100% Free & Private▲28

   Instant Email Verification – Real, Reachable & Secure

   2025 · validate.email · its alternatives →

3. 3
   Free Email Verifier▲202

   The first free and accurate email verification service

   2020 · its alternatives →

4. 4
   Mailerio▲30

   Keep your lists clean with email validation tool

   2025 · mailerio.com · its alternatives →

5. 5
   Zombie Email Removal▲98

   Email marketing with built-in email validations

   2020 · its alternatives →

6. 6
   Free Email Validator - Full Source Code▲6

   Cold Email Validation Tool with Full Source Code

   Nov 2025 · its alternatives →

7. 7
   Bulk Email Verifier & Checker▲115

   The top tool for checking mail address authenticity

   2023 · its alternatives →

8. 8
   Email Validator by Sidemail▲16

   Free email address validator (inc. SMTP deep check)

   Feb 2026 · sidemail.io · its alternatives →

9. 9DE
   Deep Email Validator▲51

   2020 · github.com · its alternatives →

10. 10
    Real-time email validation JS Widget▲30

    Verify an email address typed in your form in real-time

    2020 · its alternatives →

11. 11
    OutstandingBar▲116

    Wordpress plugin to collect emails without annoying users

    2015 · its alternatives →

12. 12
    Email Validator by LeadStal▲59

    Single & multiple email validation tool online

    2022 · its alternatives →

13. 13
    Email List Validator – Free▲10

    Validate your email list online (DNS/MX/SMTP checks + more)

    Sep 2025 · sidemail.io · its alternatives →

14. 14
    Email Validation API▲2

    Stop fake signups with instant email validation API

    Nov 2025 · rapidapi.com · its alternatives →

15. 15
    MailCheck▲49

    Stop Free Trial Abuse with Advanced Email Verification

    2025 · mail-check.tech · its alternatives →

16. 16
    emailstuff.io▲14

    Reliable email validation for clean lists and deliverability

    2025 · emailstuff.io · its alternatives →

17. 17
    Free Email Validator▲4

    Bulk email verification tool | emailvalidatorfree.space

    2025 · its alternatives →

18. 18
    Official Email Validator▲1

    Validate emails with real-time, deep SMTP checks.

    2025 · rapidapi.com · its alternatives →

19. 19
    APIddress — email validation API▲17

    The email validation API that shows its work

    Jun 2026 · apiddress.com · its alternatives →

20. 20
    Truemailcheck Free Email Validation▲7

    Free email Vaildator Tool

    Oct 2025 · its alternatives →

21. 21
    EmailSweeper▲5

    Validate email lists 10x faster.

    Jan 2026 · outboundkit.gumroad.com · its alternatives →

22. 22
    SmartEmailCheck▲9

    Smarter Email Validation—Built for Modern Apps.

    Nov 2025 · smartemailcheck.com · its alternatives →

23. 23
    Truelist MCP▲14

    Email validation for AI agents — hosted MCP, no keys

    1d ago · truelist.io · its alternatives →

24. 24WP
    WordPress Plugin to Grow and Engage Your Mailing List▲8

    2017 · mailoptin.io · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →