Check a single email address
Type or paste any email address and press Validate
Email anatomy
12 syntax checks performed
Bulk email validator
Validate multiple email addresses at once
What does "syntax" actually mean?
Syntax validation checks the format of an email address — like grammar rules for email.
A syntactically valid email looks correct but may not be a real, active inbox.
For full deliverability confidence, use Tool 03 (MX Check) and Tool 06 (SMTP Verify) together.