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IT Product Company

MailBoxValidator

Email validation service and API that cleans mailing lists by checking whether each mailbox exists

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  • Founded 2004
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About MailBoxValidator

MailBoxValidator checks email addresses before businesses send to them, connecting to each mail server to confirm the mailbox is real. Listed in Malaysia, it helps senders cut bounces and protect their sending reputation.

What MailBoxValidator offers

  • Bulk list cleaning: users upload a list as a text or CSV file and receive the validation results.
  • Validation API: instant checks with results returned in JSON or XML, with sample code for integration.
  • Server checks: confirms a valid format, looks up MX records, tests the connection to the mail server and detects greylisting and spam traps.
  • Address type checks: flags free providers, disposable providers and role addresses such as admin or support.
  • List hygiene: matches against its own do-not-mail list and strips duplicate entries.
  • Single checks: validates one address on the spot.

Who it serves

The service suits businesses and developers that send bulk email and want invalid addresses removed first.

Key facts

  • Based in: Malaysia
  • Formats: TXT and CSV uploads; JSON and XML API results

Profile written by TrustList from the business's own published information, Sep 2026.

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