Email Validation

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Email validation is an optional feature. To activate it, reach out to your account manager or email [email protected]

If email validation is enabled on your account, any new customers identified from your site will be checked to ensure that the email address is valid. This will provide a validation status and a validation reason. The validation status provides a high-level status as to whether the email address is generally safe to send an email or not and the validation reason if provided, gives a more detailed reason as to why an address has a given status.

Currently, RJ2 will only send emails to customers who have a validation status of Not Yet Validated or Valid. Not Yet Validated is included so that we do not miss sending emails to customers who have been identified prior to validation being enabled, or for customers who have been identified in RJ2 from a different source such as an imported newsletter list.

Validation Statuses

StatusDefinition
Not Yet ValidatedThis is the default status. Occasionally, it can take up to several minutes to be able to determine the validity of an email address once it has been identified within our system. Therefore customers will maintain this status until the validity can be determined. Additionally, this is the default status for accounts that have not enabled email validation.
ValidThese are email addresses that have been determined to be valid and generally safe to send email to.
InvalidThese are email addresses that have been determined to be invalid and should never be sent emails.
Catch-AllThese are email addresses that cannot necessarily be validated without actually sending an email. The server for the email address indicates that the address is valid, regardless of whether it is actually valid, hence the term "Catch-All".
Spam TrapThese are email addresses that are determined to very likely be spam traps and should not be emailed.
AbuseThese are email addresses that are known to make spam complaints and therefore, it is not recommended to email these addresses.
Do Not MailThese are valid email addresses, however, they are often email addresses that are not recommended to send to. It is important to make note of the reason an email address is marked as "Do Not Mail" as it will indicate why an address should not be sent emails.
UnknownThese are email addresses that could not be validated. It is important to make note of the reason an email address is marked as "Unknown" as it will indicate why it could not be validated.

Invalidation Reasons

Invalid Email Addresses

The following are possible reasons why an email address would be marked as Invalid:

Invalidation ReasonDefinition
Domain Does Not Accept MailThe email domain does not accept email and instead only sends email.
Invalid Email SyntaxThe email address does not follow standard email protocols.
Mailbox Quota ExceededThe email address has exceeded its allotted space and no longer accepts email.
Mailbox Does Not ExistThe email address does not exist at the given domain.
Domain Has No DNS EntriesThe email address's domain has no DNS entries and therefore will be unable to receive email.
Possible TypoThe email address contains a common misspelling of popular domains (e.g. gmail.con).
Domain Points to Unroutable IP AddressThe domain's DNS records point to an unroutable IP address and therefore cannot receive email.

Do Not Mail

The following are possible reasons why an email address would be marked as Do Not Mail:

Do Not Mail ReasonDefinition
Email Found in Global Suppression ListsThe email address was found in some global suppression lists (GSL) which consist of known complainers, purchased addresses, or similar.
Possible Spam TrapThe email address contains keywords which might indicate that it is a spam trap such as [email protected].
Role Based EmailThe email address appears to belong to a position or group of people rather than a single person (e.g. [email protected], [email protected], etc)
Temporary/Disposable Email AddressThe email address belongs to a service that provides temporary or disposable email addresses.
Toxic DomainThe email address belongs to a domain which is known for abuse, spam, or bot-created emails.
Role Based Email on Catch-All DomainThe email address is a role based email which also belongs to a catch-all domain.

Unknown

The following are possible reasons why an email address would be marked as Unknown:

Unknown ReasonDefinition
Anti-Spam System Prevent ValidationAn anti-spam system prevented the email address from being validated.
An Exception Occurred During ValidationAn error occurred which prevented the email address from being validated.
Mail Server Prevented SMTP ConnectionThe mail server did not allow an SMTP connection. This often indicates that the email would be invalid.
Mail Server Disconnected ImmediatelyThe mail server forced a disconnect immediately after connection. This often indicates that the email would be invalid.
Temporarily Unable to ValidateThe email address was unable to be validated but should be able to validated if attempted again.
Mail Server Did Not RespondThe mail server did not respond to mail commands. This often indicates that the email would be invalid.
Mail Server Return Temporary ErrorThe mail server return a temporary error. This often indicates that the email would be invalid.
Mail Server Timeout ExceededThe mail server is responding very slowly. This often indicates that the email would be invalid.