EmailTestResponse

{
    "success": true,
    "message": "SMTP connection validated successfully",
    "details": {
        "connection_established": true,
        "authentication_successful": true,
        "tls_enabled": false,
        "smtp_host": "smtp.gmail.com",
        "smtp_port": 587,
        "connection_time_ms": 2,
        "test_email_sent": false,
        "test_email_error": "SMTP Error: 530 5.7.0 specifications. 5a478bee46e88-2b73aa22707sm4226137eec.29 - gsmtp"
    }
}