Message Bounce Webhook
Triggered when a message reaches a bounced outcome. This includes an immediate permanent SMTP rejection or an out-of-band delivery status notification received after the message was accepted.
A direct SMTP rejection normally includes data.delivery_attempt. An out-of-band bounce does not describe one SMTP attempt, so the object is omitted in that case.
When it’s sent: When a recipient server permanently rejects the message or AhaSend receives a later bounce notification.
Body
The event type
message.bounced The webhook ID (the same ID as returned by the Create Webhook API)
When the event occurred (ISO 8601 format)
Response
Webhook received successfully

