What information does the validation report contain?

After our hosted email validation service finishes processing a list of email addresses, it allows the owner of the list to view and download a detailed validation report with complete information about each email address under test.

The report is available in either Microsoft Excel (2000 or higher) or CSV (Comma-Separated Values) file format, and contains one row of data for each email address of the list; every row includes the fields described hereafter.

Heading fields

Field Description
InputData The input email address, as supplied to the hosted email validation service.
For example: alice@example.com
CreatedOn Creation date and time of the item.
CompletedOn Completion date and time of the item.

Validation result status fields

Field Description
ResultStatus The status code for the validation result (please see this knowledge base article for additional details).
For example: SmtpConnectionTimeout

Grouping fields

The following fields act as short-hands for the direct test of the ResultStatus field (shown above), ease the processing of the report and make it more readable at the human eyes too.


Field Description
ResultIsCatchAllFailure TRUE if the mail exchanger responsible for the email address accepts every email addresses, even fake ones, FALSE otherwise.
ResultIsDisposableEmailAddress TRUE if the address comes from a temporary, disposable email address provider, FALSE otherwise.
ResultIsSuccess TRUE if the validation is completely successful, FALSE otherwise.
ResultIsSyntaxFailure TRUE if there is a syntax failure, FALSE otherwise.
ResultIsDnsFailure TRUE if a DNS error happens during the validation, FALSE otherwise.
ResultIsMailboxFailure TRUE if an error occurred during mailbox validation, FALSE otherwise.
ResultIsNetworkFailure TRUE if a network error occurred during validation, FALSE otherwise.
ResultIsSmtpFailure TRUE if an error occurred during the SMTP validation, FALSE otherwise.
ResultIsDisposableEmailAddressFailure Reserved for future use, please do not consider this field.
ResultIsTimeoutFailure TRUE in the event of a timeout failure while connecting to or receiving data from the external mail exchanger, FALSE otherwise.

Email address analysis fields

Field Description
ResultEmailAddress The email address with the eventual comments and FWS (folding white spaces) removed.
For alice(hi there!)@example.com, returns: alice@example.com
ResultEmailAddressLocalPart The local part of the clean email address.
For alice@example.com, returns: alice
ResultEmailAddressDomainPart The domain part of the clean email address.
For alice@example.com, returns: example.com
ResultAsciiEmailAddressDomainPart The ASCII-equivalent domain part of the email address, useful for non-ASCII email addresses.
For alice@bücher.ch, returns: xn--bcher-kva.ch
ResultHasInternationalDomainName TRUE if the domain name is non-ASCII.
For alice@bücher.ch, returns TRUE. For bob@example.com, returns FALSE.
ResultHasInternationalMailboxName TRUE if the mailbox name is non-ASCII.
For cédric@example.com, returns TRUE. For bob@example.com, returns FALSE.
ResultSyntaxFailureIndex The 0-based index of the eventual syntax failure.
For alice@@example.com (note the double @ symbol), returns 6.

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