-
NEW(value:"new") -
QUEUED(value:"queued") -
REJECTED(value:"rejected") -
SENDING(value:"sending") -
SENT(value:"sent") -
FAILED(value:"failed") -
RECEIVED(value:"received") -
UNDELIVERED(value:"undelivered") -
EXPIRED(value:"expired") -
DELETED(value:"deleted") -
UNKNOWN(value:"unknown")