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Arcjet · Method

reason.isEmail

Arcjet's Bun email validation checks syntax and classifies email addresses. You can reject types such as disposable or invalid addresses, or allow only selected types.

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Syntax

validateEmail({ mode: "LIVE", deny?: ArcjetEmailType[], allow?: ArcjetEmailType[] })

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  • validateEmail
  • ArcjetEmailType
  • ArcjetReason
  • ArcjetRuleResult
  • decision.isDenied()
  • decision.reason.isEmail()
  • decision.reason.emailTypes

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