Shows the state of the mail queue.
The queue contains unsent and failed mail. Sent mail is immediately deleted from the queue. Emails that had errors are deleted after a week.
|InsertDatetime||datetime||Yes||No||No||When the mail was enqueued.|
|ErrorCode||int||Yes||No||No||Error code, if the mail failed.|
|ErrorMessage||varchar(8000)||Yes||No||No||Error message, if the mail failed.|