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Adding a previous bounced email back shows email is invalid. How do I add an email that used to be a bounce to a list?
When an email address is 'Bounced', the email does not exist (anymore) and is invalid, so it will globally suppressed. You can’t re-add an email address that was marked as ‘Bounced’ in the list or any other list/brand. Unless you delete that bounced email address.
Please note that repeatedly sending to bounced email addresses will eventually result in Amazon suspending your Amazon SES account.