I'm setting up a customer journey where an email is being sent to some of our new customers. When manually sending an email, there's a 'deduplicate subscribers' checkbox you can click. This checkbox does not exist when configuring emails in Journey Builder.

Is there a way to ensure email sends via Journey Builder are deduplicated?

1 Answer 1


I'll try my best to help you on this query. In JB we have a feature of contact entry mode where we can specify is the contact can enter a journey single time or multiple times. In your scenario when there is duplicate email ids are present, once a contact is injected the contacts with duplicate email ids will be barred from entering the journey. So de-duping happens at the time of entering the journey itself.

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