Chapter 1 of 6 · Intro
Video transcript
Intro
An email validator and an email verifier answer different questions. Here is the difference, on one real test.
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.
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.
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.
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.
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 ValidatorMore in Free Tools
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