EmailValidationResult

{
    "email": "sarah.chen@stripe.com",
    "result": "valid",
    "message": "The mailbox exists and is accepting mail",
    "isCatchAll": false,
    "isFederated": false,
    "hasSEG": true,
    "segProvider": "Proofpoint",
    "provider": "GOOGLE",
    "confidence": "definitive"
}