Email bounce webhook events are now available
Webhooks can now be triggered on email bounce events.
More events will be supported in future releases.
Additional email headers for transactional emails
We now allow additional headers to be added to transactional emails. These headers are also added as metadata in the logs. This gives developers additional flexibility to include more context from which the email was initiated, which can be useful later when processing data or debugging.
When using the Transactional SMTP API, the original envelope-from value will be copied into the x-sender-envelope-from header and the original return-path value into the x-original-return-path header.