Hello @SusanD912 ,
It's an unsubscribed email address, so you won't be able to just add it back like you're uploading a contact, for compliance and legal reasons. So, like resubscribing any other contact, you'd need to go through the resubscription process. However, the easiest method for a contact to resubscribe is to go through one of your sign up forms.
If you're unable to get signed back up through a sign up form or through the resub email, you can request our Review team do a manual override of the unsubscription. Your account email address will need to have an email from your unsubscribed contact address, explicitly stating you want to be resubscribed. Then you’ll need to call into the Review team, and follow their processes from there.
Since there are a number of legal and Compliance-related elements to unsubscribing and resubscribing, we have to make sure one of these three processes is followed.
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