Growth · alternatives · 2026

24 alternatives to Email Authentication Service

We help you set up email authentication (DMARC, DKIM, SPF)

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Email Authentication Service launched in 2024; newer entries below may have overtaken it.

1
SimpleSetup▲89
Get Google/Yahoo email compliant
2024 · simplesetup.co · its alternatives →
2
DMARC Checker▲70
Verify your DMARC, DKIM, and SPF settings with our free checker. Prevent bad actors from impersonating your domain and improve email deliverability.
2024 · dmarcchecker.app · its alternatives →
3
DMARC Checker▲5
Ensure your emails pass DMARC/DKIM/SPF authentication
2024 · dmarcchecker.app · its alternatives →
4
PowerDMARC▲57
Stop hackers from sending emails from your domain with DMARC
2021 · powerdmarc.com · its alternatives →
5
EmailAuth.app▲6
Email authentication & deliverability checker
2025 · emailauth.app · its alternatives →
6
DMARC Digests▲101
Protect your brand from email scammers.
2020 · dmarcdigests.com · its alternatives →
7
DKIM.pro▲3
Monitor SPF, DKIM and DMARC before email breaks
May 2026 · dkim.pro · its alternatives →
8
Quick DMARC Email Security Platform▲2
DMARC Email Security Platform Stop Phishing, Own Your Inbox
Feb 2026 · quickdmarc.com · its alternatives →
9
Email Inspect▲9
Free dmarc, spf & dkim analyzer tools
Nov 2025 · emailinspect.com · its alternatives →
10
Email Deliverability API & Checker▲2
Instantly audit SPF, DKIM & DMARC to stop landing in spam.
Aug 2026 · web-production-80c77.up.railway.app · its alternatives →
11
eDMARC▲12
Simplify investigation of every email failure
Mar 2026 · ivorysec.com · its alternatives →
12
yourDMARC▲5
Make The Email Compliant With Your DMARC
2024 · yourdmarc.com · its alternatives →
13
Email Deliverability Toolkit▲9
9 free tools to keep your email out of spam
Aug 2026 · truelist.io · its alternatives →
14
DmarcDkim.com▲5
Hassle-free DMARC solution
2024 · dmarcdkim.com · its alternatives →
15
Email Posture▲5
Get alerted the moment your DMARC, SPF, or DKIM breaks
Jul 2026 · emailposture.com · its alternatives →
16
Email forwarding for your domain – my SaaS after 10 years of failure▲17
Mailwip - fast and reliable email forwarding service for your domains. Incoming mail API for your web service. Support Rails action mailbox. Replacement for SES incoming. Built-in support for DKIM, SRS, SPF, ARC, DMARC, and more. No credit card required.
2021 · hanami.run · its alternatives →
17
DMARCLY▲4
Stop email spam, phishing, and improve deliverability.
2019 · dmarcly.com · its alternatives →
18
Monitor and Implement DMARC▲86
A free tool to increase your email's deliverability
2015 · dmarc.postmarkapp.com · its alternatives →
19
MailMedic ‑ Email Health▲1
Scan your domain's SPF, DKIM and DMARC in seconds
Sep 2026 · apps.shopify.com · its alternatives →
20
EmailGuard▲4
Find out why your emails go to spam
Jun 2026 · fixemailsetup.com · its alternatives →
21
Deliveryman.ai▲186
Cold email infrastructure on autopilot without Gsuite
Jun 2026 · deliveryman.ai · its alternatives →
22
Sendmarc DMARC Management Platform▲4
Stop email impersonation with DMARC
2024 · sendmarc.com · its alternatives →
23
Protecta360 - Domain Spoof Test▲1
Check DMARC, SPF and DKIM in DNS Settings
Aug 2026 · protecta360.com · its alternatives →
24
Email DNS Check
Diagnose SPF, DKIM and DMARC errors instantly
Mar 2026 · its alternatives →

Also compare

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 →