• Bounced emails: Suppression is based on the email address (if an email bounces, that specific email address is suppressed).
• Unsubscribes: Suppression is based on the account (if an account unsubscribes, all emails associated with that account are suppressed).
• Spam complaints: Suppression is based on the email address (if an email is marked as spam, that specific email address is suppressed).