For regular mails (newsletters) it is possible to set a flag for deleting the used contact group and filter after successful sendout. The group and filter must not be used in other locations, e.g. other contact filters, transaction mails and the like, otherwise they cannot be removed.


HTTP status code Description
204 No Content If everything was ok.
400 Bad request Property or value can not be accepted
404 Not found Mailing ID cannot be found


204 No Content

400 Bad Request

404 Not Found