System.Net.Mail.SmtpException
namespace System.Net.Mail
{
public class SmtpException : Exception, ISerializable
{
public SmtpStatusCode StatusCode { get; set; }
public SmtpException();
public SmtpException(SmtpStatusCode statusCode);
public SmtpException(SmtpStatusCode statusCode, string message);
protected SmtpException(SerializationInfo serializationInfo, StreamingContext streamingContext);
public SmtpException(string message);
public SmtpException(string message, Exception innerException);
}
}