📧 Online Email Address Validator
Validate email addresses online with syntax check, MX lookup and RFC compliance. Free email validator detecting typos and disposable domains.
Quick Answers
What does Email Validator do?
This tool checks email address syntax against RFC 5322 rules and queries the domain's MX records to confirm a mail server exists. Useful for cleaning a list before a send.
How do I use Email Validator?
Type the email address to verify, click Check. The tool reports whether the syntax is valid and whether MX records exist. A response in a few seconds.
Who is Email Validator for?
Marketers cleaning a list before a campaign, sales teams qualifying leads, developers validating a form, and individuals double-checking a suspicious address.
Is it free and private?
Yes, free and no signup. Syntax validation is client-side. MX lookup calls a public DNS service without forwarding the address to any third-party analytics.