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Email Address Validator

v1.0.1

Validate email address syntax against RFC 5321 / RFC 5322 rules. Shows local part, domain, and specific issues.

Validates email address syntax against RFC 5321/5322 rules, parsing the local part, domain, and any quoted strings — shows exactly which part of the address is invalid and why.

How to use
  • →Type or paste an email address to validate it.
  • →The local part, @ symbol, and domain are each validated separately.
  • →Bulk mode (one per line) lets you validate multiple addresses at once.