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Arcjet · Concept

Allow free email

Arcjet checks an email address locally against RFC-based rules. It can reject unsuitable formats, including local domains, and lets you configure two domain-related rules.

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Syntax

await aj.email.validate({ email: string })

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  • Email verification
  • Validation
  • RFCs
  • Domain literals

Source: Email validation reference for Node.js | Arcjet Docs. Checked 2026-11-03.