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Chapter 1 of 6 · Intro

Video transcript

  1. Intro

    An email validator and an email verifier answer different questions. Here is the difference, on one real test.

  2. What a validator checks

    Start with the free Email Validator. It checks two things. Is the address well formed? And does the domain publish mail servers? Then it stops, on purpose. No SMTP. The note above the form says so. Try an address with no top-level domain, and click Validate email.

  3. A typo, caught

    Invalid syntax. This is the job a validator does well. It catches a typo before anything else is spent. Now a Gmail address. This mailbox does not exist.

  4. The address that passes

    Format and MX OK. Both checks pass. The format is fine, and Gmail publishes mail servers. But look at the third box. SMTP, not run. And the result says it plainly. This is not proof the mailbox exists.

  5. What a verifier adds

    That last step is what a verifier adds. It asks the mail server about this exact mailbox. Run this same address through the Email Verifier, and it comes back invalid.

  6. Which one to use

    So use the validator as a quick screen for typos and dead domains. Before you send, use the verifier. 20 free credits every day you use your account, up to 600 a month. No credit card required. Start at billionverify.com.

Featured in this video

Free Email Validator: Syntax and MX Records ValidationEmail Validator checks address syntax and published MX records as a free, unlimited shallow screen, and states plainly that it cannot prove a mailbox exists.Try Free Email Validator

BillionVerify pricing

Start free, then pay for what you verify. Pick a plan or buy credits once.

$8/ month

billed yearly $96

Save 60%$0.0004 / per credit

All 240,000 credits arrive at once. Use them anytime.

Choose your credits

Get 240,000 credits

Included in every paid plan

  • 240,000 credits / year
  • Single email verification
  • Bulk email verification
  • Email Finder
  • Bulk Email Finder
  • Company Search
  • Live SMTP mailbox check
  • Real-time API + batch processing
  • CSV & Excel upload support
  • Comprehensive verification reports
  • Workspaces and teams with spend limits
  • Credits never expire
Features

Try the AI email verification features

20 free credits every day you log in, up to 600 a month. Free AI first email verification across every feature, no credit card.

Native MCP Server integration · Catch-all reported separately · Free tier, no credit card

0
Credits for Unknown Results
Real-time
API Speed
$0.00014
Per Email
600/mo
Free Forever