Email Syntax Validator
Review practical syntax; this does not prove the mailbox exists.
A QUICK WALKTHROUGH
How to use this tool
- Enter one email address up to 320 characters.
- Run the syntax check.
- Review the local result.
Syntax only
No DNS, SMTP, or delivery verification is performed.
GOOD TO KNOW
Common questions
Does this verify a real mailbox?
No, syntax only.