This section includes explanation of all the enriched information returned by Email Validation PDP.
Email Validation JSON Payload
Reason List
Understanding Email Validation Exceptions
Exception generated for an email with invalid domain.
{"exceptions": [ {"code":"H148","category":"VALIDATOR","description":"No MX and A entry in the Domain Name System (DNS) - gmail.com.au: 12345@gmail.com.au","inputType":"EMAIL_DATA","inputData":"12345@gmail.com.au","message":"H148 : No MX and A entry in the Domain Name System (DNS) - gmail.com.au: 12345@gmail.com.au", "localizedMessage": "H148 : No MX and A entry in the Domain Name System (DNS) - gmail.com.au: 12345@gmail.com.au"
} ]}
Exception generated for an email that does not conform to syntax rules outlined in RFC 2822 standard
{"exceptions": [ {"code":"H146","category":"VALIDATOR","description":"Invalid syntax of email address (RFC-2822 compliant): jim<>@hotmail.com","inputType":"EMAIL_DATA","inputData":"jim<>@hotmail.com","message":"H146 : Invalid syntax of email address (RFC-2822 compliant): jim<>@hotmail.com","localizedMessage":"H146 : Invalid syntax of email address (RFC-2822 compliant): jim<>@hotmail.com" } ]}
The validity of the recipient address cannot be determined as the provider accepts any and all email regardless of whether or not the recipient’s mailbox exists.
disallow_list
Email is on your disallow list.
failed custom grammar check
The mailbox failed our local-part grammar check.
format_failed
Failed format syntax check.
high_risk_domain
Information obtained about the domain indicates it is high risk to send email to.
immature_domain
The domain is newly created based on the WHOIS information.
long_term_disposable
The mailbox has been identified as a long term disposable address. Long term disposable addresses can be quickly and easily deactivated by users, but they will not expire without user intervention.
mailbox_does_not_exist
The mailbox is undeliverable or does not exist.
mailbox_is_disposable_address
The mailbox has been identified to be a disposable address. Disposable address are temporary, generally one time use, addresses.
mailbox_is_role_address
The mailbox is a role based address (ex. support@…, marketing@…).
no_mx / No MX host found
The recipient domain does not have a valid MX host.
req_timeout
Timed out by request timeout setting e.g. your timeout setting. You may need to increase your timeout setting.
smtp_timeout
Timed out by smtp provider.
subdomain_mailer
The recipient domain is identified to be a subdomain and is not on our exception list. Subdomains are considered to be high risk as many spammers and malicious actors utilize them.
tld_risk
The domain has a top-level-domain (TLD) that has been identified as high risk.