Life & fun · alternatives · 2026

E-Mail IP Leak Test is a free tool that checks whether an email provider reveals the sender's IP address to recipients. Users can test their email provider to see if their IP address is exposed when sending messages.… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Test your E-Mail for IP Leaks launched in 2013; newer entries below may have overtaken it.

1. 1
   Mail Tester▲309

   Test the spamminess of your email

   2016 · mail-tester.com · its alternatives →

2. 2
   SMTP Debug Tool▲346

   Test and debug your SMTP connection, quickly and for free

   2023 · smtpdebug.com · its alternatives →

3. 3
   Email Testing By Inbox Pirates▲355

   Preview, analyze & test emails with one click

   2022 · inboxpirates.com · its alternatives →

4. 4
   VPNleaktester▲8

   Check if your VPN connection has privacy leaks.

   2025 · its alternatives →

5. 5
   Unspam.email▲299

   Email spam checker and newsletter heatmap prediction.

   2020 · unspam.email · its alternatives →

6. 6
   Unspam AI▲385

   See how your subscribers read your emails with our AI inbox

   2024 · unspam.email · its alternatives →

7. 7
   Free Email Verifier▲202

   The first free and accurate email verification service

   2020 · gmass.co · its alternatives →

8. 8
   Revealer by Etools▲252

   Uncover email addresses behind any domain

   2017 · its alternatives →

9. 9
   pCloud Pass▲72

   Check if your personal information has been exposed

   2023 · pass.pcloud.com · its alternatives →

10. 10
    Check if your IP has appeared in a residential proxy network▲76

    Check whether your public IP has been observed participating in a residential proxy network. A free tool powered by Spur Intelligence.

    Sep 2026 · haveibeenproxied.com · its alternatives →

11. 11
    Mailnest▲100

    Sandbox Email testing tool for IT product, service companies

    2020 · mailnest.io · its alternatives →

12. 12
    MailSlurp▲103

    End-to-end email testing made easy

    2018 · mailslurp.com · its alternatives →

13. 13
    Data Breach Checker▲101

    Check if your email address was compromised

    2020 · burnermail.io · its alternatives →

14. 14
    VPN Scanner▲79

    Does your VPN even work?

    2021 · play.google.com · its alternatives →

15. 15
    MailDrop, throwaway e-mail addresses, built with Scala and Akka▲81

    Maildrop provides free disposable e-mail addresses for use in web forms, app signups, or any other place you'd like to protect your privacy.

    2013 · maildrop.cc · its alternatives →

16. 16
    Danger▲119

    Catch fake details, block throwaway emails, spot problem IPs

    2024 · its alternatives →

17. 17
    Email Bounce Checker from BlockSurvey▲98

    Privacy-focused email bounce checker. No ads, no trackers.

    2022 · blocksurvey.io · its alternatives →

18. 18
    SMTP‑Test.com▲103

    One‑click SMTP server test with real‑time protocol logs

    2025 · smtp-test.com · its alternatives →

19. 19
    Send Test Email▲80

    A fast and free, online way to send a test email

    2022 · sendtestemail.com · its alternatives →

20. 20AF
    A fake SMTP server for software integration testing▲127

    This is a side project of mine. Use this as your SMTP server in a test environment to guarantee that your users don't receive test emails. Looking for feedback, especially on the security side.

    2024 · fakemail.stream · its alternatives →

21. 21
    Free VPN Analysis Tools▲9

    VPN validation tools to uncover insights of a VPN service

    2019 · its alternatives →

22. 22
    Mailenc – Test if your PGP email setup works▲6

    Free, end-to-end PGP email test. Send an encrypted email, watch the verification live, get an encrypted echo report back. Checks WKD, Autocrypt and HKPS key discovery, signature verification, and PGP/MIME envelope handling.

    May 2026 · mailenc.org · its alternatives →

23. 23EE
    Email encoder – protect your public emails from bots and crawlers▲19

    2022 · freetools.dev · its alternatives →

24. 24
    Emaildrop – a free disposable email service with a GraphQL API▲35

    New to Browserling? Launch real online browsers in seconds for web testing, cybersecurity, and more. Test websites and open URLs safely in isolated browser sandboxes.

    2019 · emaildrop.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 →