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Mailhardener

Harden your email security with ease.

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Mailhardener is a domain email hardening suite that helps organizations manage SPF, DKIM, DMARC, MTA-STS, BIMI, DANE and DNSSEC. It provides DMARC report aggregation, SMTP TLS reporting, hosted MTA-STS and BIMI services, DNS change monitoring, and a domain inspector. It is free for personal or evaluation use (single domain, 1 month retention) and offers paid plans for businesses and MSPs.

12 alternatives to Mailhardener

Ranked by how well each tool replaces Mailhardener: shared features, audience, price and popularity.

  1. dmarcian

    Control Your Domain. Secure Your Email. Protect Your Brand.

    Covers 1 of 15 key features.

    Free plan
    63 out of 100 match$19.99/mo

  2. Have I Been Pwned

    Check if your email has been exposed in a data breach.

    Covers 1 of 15 key features and starts cheaper.

    Free plan
    62 out of 100 match$4.39/mo

  3. MailerLite

    Simple and affordable email marketing solution.

    Covers 0 of 15 key features.

    Free plan
    55 out of 100 matchFree

  4. Smarsh

    Digital communications governance and archiving.

    Covers 1 of 15 key features.

    54 out of 100 match—

  5. Mailsoftly

    Email marketing & automation software made easy. Mailsoftly handles deliverability, autom,

    Covers 0 of 15 key features and starts cheaper.

    Free plan
    54 out of 100 match$15/mo

  6. Mail Tester

    Newsletter spam test by mail-tester.com

    Covers 1 of 15 key features and starts cheaper.

    Free plan
    53 out of 100 match$10/mo

  7. SmarterTools

    SmarterMail Exchange alternative, help desk and web analytics

    Covers 1 of 15 key features.

    53 out of 100 match—

  8. Mailmeteor

    Send personalized emails and manage replies at scale

    Covers 0 of 15 key features and starts cheaper.

    Free plan
    52 out of 100 match$5.99/mo

  9. Mailgun

    Transactional email API and SMTP service for sending, receiving, tracking, validating, and

    Covers 0 of 15 key features and starts cheaper.

    Free plan
    52 out of 100 match$15/mo

  10. Mailtrap

    Modern Email Delivery for developer & product teams

    Covers 1 of 15 key features and starts cheaper.

    Free plan
    52 out of 100 match$15/mo

  11. Warmy

    Email Deliverability Revolution with Email Warm Up

    Covers 1 of 15 key features.

    51 out of 100 match$49/mo

  12. MailGuard

    Email Security for Australian Businesses.

    Covers 1 of 15 key features.

    51 out of 100 match—