How to cancel a Broadcast
You can cancel a Broadcast that is scheduled or still sending. When you cancel a Broadcast, here's what happens based on its status:
scheduled→draft: no emails are sent. You can update the Broadcast and reschedule it to be sent.queued→canceled: emails that have already been sent are not affected, but any emails still in the queue will no longer be sent.
Cancel a Broadcast
Section titled “Cancel a Broadcast”- Go to Broadcasts and open the scheduled or sending Broadcast.
- Click Cancel on the Broadcast page.
Resend then returns a scheduled Broadcast to draft, or halts delivery to the remaining recipients if the Broadcast is sending.
You can also cancel a Broadcast via the API.