The IMailBeeNegativeSmtpResponseException type exposes the following members.
Gets the status of whether the failure is permanent (the client should not retry later) or transient (the client may retry later).
Gets a 3-digit SMTP response status code.
Gets the encoding which was used to convert response bytes received from the server into a string.(Inherited from IMailBeeNegativeTextResponseException.)
Gets the string which contains the negative response data.(Inherited from IMailBeeNegativeTextResponseException.)