Email Validator
Validate email addresses with RFC 5322 compliance and disposable email detection
Email Input
Enter email addresses (one per line, or separated by commas/semicolons)
Examples
Click an example to load and validate
Common valid email formats
user@example.com john.doe@company.co.uk admin@mail.server.com
Plus signs, dots, and underscores
user+tag@example.com first-last@domain.com user_name@sub.domain.org
Numbers in local part
12345@example.com user123@domain.net support@42.com
Email Validation Rules
RFC 5322 Compliance:
- Valid characters in local part: letters, numbers, and special chars
- Domain must contain at least one dot
- Top-level domain must be at least 2 characters
- Quoted strings allowed in local part
- Comments and IP addresses in domain supported
Frequently asked questions
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