Email Validator

Validate email address syntax, domain, and MX records.

Email validation is the first step to maintaining clean mailing lists and reducing bounce rates. Our email validator checks syntax correctness, domain existence via MX records, and mailbox validity.

Result

Enter an email address to validate.
In Action

Email Validator in action

Your signup form collects hundreds of garbage addresses. Validate a sample: if most fail the domain check, your form has no real-time validation. Adding this check at signup cuts fake registrations by the same percentage the tool reports for your current list.

Frequently Asked Questions

What does email validation check?

We check email syntax, domain, and MX records.

How can I check if an email address is valid for free?

Type the address and run the validation — it checks format, domain MX records, and obvious typos. It cannot confirm the mailbox belongs to a specific person, but it catches invalid syntax and non-existent domains instantly.

What is the difference between valid format and deliverable email?

Valid format means the address matches the standard pattern. Deliverable means the domain accepts mail and the mailbox exists. Our tool verifies format and domain; only the receiving server can confirm a specific mailbox.

Why do disposable email addresses pass validation?

Disposable addresses (10minutemail and similar) are technically valid and their domains resolve, so they pass standard checks. To filter them you need a list of known disposable domains on top of basic validation.