get https://{server}/api/v2.1/dtable-message-status/
Query the task status with the returned task_id when you Send An Email via 3rd Party Account. If you get an error message:
"error_msg": "task_id invalid."
} ```
it means that the task has failed. This is most probably due to wrong account information.
Attention: After the task has been finished, you can only query it for once. A second query will also return the above error.