| Input Type | Accessed Type | Description | Notes |
|---|---|---|---|
| str, | str, | must be one of ["Unknown", "Ignore", "Spam", "BlackListed", "NoMailbox", "GreyListed", "Throttled", "Timeout", "ConnectionProblem", "SPFProblem", "AccountProblem", "DNSProblem", "NotDeliveredCancelled", "CodeError", "ManualCancel", "ConnectionTerminated", "NotDelivered", ] if omitted the server will use the default value of "Unknown" |