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Managing Contacts in a Journey Builder Email Activity
To manage contacts in a Journey Builder email activity, use Marketing Cloud Engagement advanced sending options.
Publication lists allow email contacts to opt into and out of a single communication, without opting out of all communications at once. Before sending an email, Journey Builder checks publication lists associated with the email to see if a contact is subscribed. If subscribed, Journey Builder sends the message to that contact. If the contact is unsubscribed or received emails that bounced too many times, Journey Builder doesn’t send the email.
Domain exclusions exclude a single domain’s email addresses from a Journey Builder send. For example, use domain exclusions when a list Journey Builder sends to include employee email addresses from a competitor’s company. By adding the domain in this field, all email addresses with this domain are excluded from the send, ensuring competitors don’t receive the email.

