Alternatives

Products that do what EmailAuth.app does

Email authentication & deliverability checker

1. 1
   Email Inspect▲9

   Free dmarc, spf & dkim analyzer tools

   Nov 2025 · emailinspect.com

2. 2DC
   DMARC Checker▲70

   2024 · dmarcchecker.app

3. 3
   Email Deliverability Toolkit▲9

   9 free tools to keep your email out of spam

   11d ago · truelist.io

4. 4
   MailerCheck 2.0▲145

   All-in-one email deliverability platform for businesses

   2023

5. 5
   Email Deliverability API & Checker▲2

   Instantly audit SPF, DKIM & DMARC to stop landing in spam.

   28d ago · web-production-80c77.up.railway.app

6. 6
   DMARC Digests▲101

   Protect your brand from email scammers.

   2020

7. 7
   Monitor and Implement DMARC▲86

   A free tool to increase your email's deliverability

   2015

8. 8
   DKIM.pro▲3

   Monitor SPF, DKIM and DMARC before email breaks

   May 2026 · dkim.pro

9. 9
   Lume Free Email Tools

   Free SPF/DKIM checker, blacklist scanner & header analyzer

   Mar 2026 · lumesend.com

10. 10
    Email Posture▲5

    Get alerted the moment your DMARC, SPF, or DKIM breaks

    Jul 2026 · emailposture.com

11. 11MD
    Make domain verification as easy as verifying an email or phone number▲86

    Hi HN, This is a project [1] I've been working on for a little while and I'm interested in your feedback and point of view. Many of us would have verified a domain name by pasting a string into a DNS TXT record. Some providers ask us to store this DNS TXT record at a domain using a DNS label like "_provider" e.g. _provider.yourdomain.com, and some providers ask that you do it at the zone apex (God help us [2]). The Domain Verification protocol stores a DNS TXT record at a DNS name derived from a hashed "verifiable identifier" (think email, telephone, DID), enabling anyone that can prove…

    2023 · domainverification.org

12. 12
    eDMARC▲12

    Simplify investigation of every email failure

    Mar 2026 · ivorysec.com

13. 13
    Email DNS Check

    Diagnose SPF, DKIM and DMARC errors instantly

    Mar 2026

14. 14
    AuditLabHQ▲1

    Find what pushes your emails toward spam

    15d ago · app.auditlabhq.com

15. 15
    DMARCKit▲1

    Free email auth scanner. Stop going to spam.

    Apr 2026

16. 16
    Best Free DKIM Analyzer

    Analyze DKIM records quickly to improve email deliverability

    Mar 2026 · best-tempmail.com

17. 17
    MailCheck▲49

    Stop Free Trial Abuse with Advanced Email Verification

    2025

18. 18
    DKIMCheck▲2

    Instant Email Deliverability & DNS Health Scanner

    28d ago · dkimcheck.online

19. 19
    Protecta360 - Domain Spoof Test▲1

    Check DMARC, SPF and DKIM in DNS Settings

    Aug 2026 · protecta360.com

20. 20FE
    Fight email spoofing. A free tool to monitor and implement DMARC▲8

    2014 · dmarc.postmarkapp.com

21. 21
    DNS Lookup & Dig Tool▲4

    Bulk DNS, global propagation & email auth in one click

    Jun 2026

22. 22
    DmarcDkim.com▲5

    Hassle-free DMARC solution

    2024

23. 23
    Validate Email – 100% Free & Private▲28

    Instant Email Verification – Real, Reachable & Secure

    2025

24. 24
    InboxGreen▲1

    Free email deliverability checker for SPF, DKIM & DMARC

    May 2026 · inboxgreen.email

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