If the HTTP status code of the response is 200, among other fields, the response body will contain a confidence level and verbose details.
|The mailbox exists, is reachable, and is not known to be illegitimate or disposable.
|The mailbox is disabled.
|The mailbox does not exist.
|The mailbox is full.
|The syntax of the specified email address is incorrect.
|The domain does not support the use of international characters (e.g. á, é or ø).
|The domain is not responding to validation requests or does not have any active mail servers.
|Seed, spamtrap, black hole, technical role account or inactive domain.
|Role accounts such as support, sales, info etc.
|The domain of the email address you've provided was close to a common domain and, although it exists, it is highly unlikely to be correct.
|Known local portions of the email address that may indicate spam traps.
|The email address contains profanity.
|The domain is administered by a disposable email provider (e.g. Mailinator).
|We were unable to conclusively verify or invalidate the email address.
|The request timed out due to the host domain not responding in time.
|The domain is accept-all, so the email address cannot be validated.
|The result was validated at the incorrect mail exchanger.
|You are submitting requests at a faster rate than allowed by the email service providers for the domains you are checking.