What does it do?
This duplication flags on a email on a first come, first serve basis. is a processor job that will check to find if the email address submitted is unique to the campaign.
This is a predominately used in B2C environment as it is more of a low value based consumer goods.
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An example of how it would be implemented?For instance if
User will be able to add this Processor job to a Campaign via Processor. In order to configure this job Users can select Duplicate_status of either Billable, Valid or All. This will then filter any Duplicate emial with the corresponding Duplicate status. 
Users can edit the label associated with the Duplicate email job for their own reference.
Users can 'Enable' or 'Disable' the job using the toggle. Users can also toggle on/off the 'Hardfail' functionality for the job.
The core functionallity of this job can be described as follows: If a lead with an email eg adam.carter@convertermedia.net comes into a campaign the second instance of a lead with this email will be flagged as a duplicate.
Once flagged the platform then passes this information back on to the publisher.
Duplicate email Import settings:
Users can import settings into a campaign if the duplicate email check has been added via the processr section
Upon successful import of confirmation the user should see a snack bar notification confirming the change.
Import via JSON:
Alternatively users can import settings via JSON. It is important to note that importing with JSON will remove previously configured settings for the job.
