Email Validator

Validate email addresses against RFC standards with detailed feedback

RFC Standards Validation

Local Part Rules:

  • • Maximum 64 characters
  • • No consecutive dots
  • • No leading/trailing dots
  • • Printable ASCII characters

Domain Part Rules:

  • • Maximum 253 characters
  • • Must have TLD (dot required)
  • • Each label max 63 characters
  • • Letters, numbers, hyphens only