Broadcast History lets you see when messages were scheduled, who sent them, who you attempted to send to, which messages couldn’t be delivered, and why.
In the past, the stats for one-off emails of the same message were stored together, but now you can see the performance of each individual send, even if the message wasn’t saved to the messages library.
We’ve made this information easily accessible from your account’s main navigation. To pull up Broadcast History, all you need to do is go to Contacts > Broadcast History. From there you can see the number of messages: