| Sent to | The contacts the campaign went to, after the list checks left out addresses that cannot receive mail |
| Delivered | Messages the recipient’s mail server accepted. Inbox placement is not guaranteed |
| Deferred | Messages the recipient’s server asked AhaSend to retry later; they move to delivered or bounced as the retries complete |
| Bounced | Messages the recipient’s server refused, or returned after accepting them |
| Failed | Messages AhaSend could not deliver, for example because they expired in the queue |
| Suppressed | Recipients that AhaSend did not send to because of an existing suppression |
| Opens | Recipients who opened the email, and the total number of opens |
| Clicks | Recipients who clicked a link, and the total number of clicks |
| Unsubscribes | Recipients who used the unsubscribe link or their mail client’s unsubscribe button |
| Complaints | Recipients who reported the email as spam, as reported back by their mailbox provider |