SmtpExceptionStatus Enum

Defines status codes for the SmtpException class.

public enum SmtpExceptionStatus

Name	Description
AsyncError	General exception in asynchronous call.
ConnectFailure	The remote service point could not be contacted at the transport level.
ConnectionClosed	The connection was prematurely closed.
NameResolutionFailure	The name resolver service could not resolve the host name.
OperationAborted	The operation was aborted by a call to the Abort() method.
OperationFailure	The requested operation could not be completed.
Pending	An operation is pending.
ProtocolError	The response received from the server was complete but indicated a protocol-level error. For example, an SMTP protocol error such as '550 Unable to relay' would use this status.
ProxyNameResolutionFailure	The name resolver service could not resolve the proxy host name.
ReceiveFailure	A complete response was not received from the remote server due to an error at the transport level.
SendFailure	A complete request could not be sent to the remote server due to an error at the transport level.
ServerProtocolViolation	The server response was not a valid SMTP response.
SocketError	The error at transport level occurred.
Timeout	No response was received during the time-out period for a request.
UnclassifiableError	An unclassifiable error occurred. This is the default value for Status.