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MailProbe

Verify email addresses in real-time — check deliverability and detect disposable addresses

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MailProbe is an email verification API and bulk verification tool. It performs syntax checks, MX record lookups, SMTP handshakes, and detects disposable, role-based, and catch-all email addresses. It offers a REST API, a web dashboard for pasting or uploading CSV lists, and credits-based pricing with no subscription. Data is processed in memory and not stored; infrastructure is hosted in France.

12 alternatives to MailProbe

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

  1. Mailgun

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

    Covers 1 of 15 key features.

    Free plan
    62 out of 100 match$15/mo

  2. MailValid

    Email verification service from $0.0008/email with credits that never expire.

    Covers 4 of 15 key features.

    Free plan
    61 out of 100 match$19/mo

  3. MailerQ

    A high performance Mail Transfer Agent (MTA)

    Covers 1 of 15 key features.

    59 out of 100 match—

  4. Mailtrap

    Modern Email Delivery for developer & product teams

    Covers 2 of 15 key features.

    Free plan
    59 out of 100 match$15/mo

  5. MailGuard

    Email Security for Australian Businesses.

    Covers 2 of 15 key features.

    59 out of 100 match—

  6. SMTP.com

    Transactional and email relay API for high-volume sending

    Covers 1 of 15 key features.

    57 out of 100 match$25/mo

  7. AgentMail

    Email inbox API for AI agents.

    Covers 2 of 15 key features.

    Free plan
    57 out of 100 match$20/mo

  8. ImprovMX

    Forward emails easily.

    Covers 2 of 15 key features and starts cheaper.

    Free plan
    57 out of 100 match$4.17/mo

  9. MailerSend

    Team-friendly email API for modern apps

    Covers 2 of 15 key features.

    Free plan
    56 out of 100 match$7/mo

  10. Postmark

    The email delivery service that people actually like

    Covers 1 of 15 key features.

    Free plan
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  11. Emvfy

    High Accuracy Email Verification Service & Bulk Verifier

    Covers 1 of 15 key features.

    Free plan
    56 out of 100 match$9/mo

  12. Maileroo

    SMTP relay and email API for transactional and marketing email

    Covers 1 of 15 key features.

    Free plan
    56 out of 100 match$10/mo