internal static void ParseBanner(string banner, out SmtpConnectivityStatusCode statusCode, out string details)
{
banner = banner.Trim();
if (banner.Length < 3)
{
statusCode = SmtpConnectivityStatusCode.Error;
details = Strings.InvalidSmtpBanner(banner);
return;
}
switch (banner[0])
{
case '2':
statusCode = SmtpConnectivityStatusCode.Success;
details = banner;
return;
case '4':
case '5':
statusCode = SmtpConnectivityStatusCode.Error;
details = banner;
return;
}
statusCode = SmtpConnectivityStatusCode.Error;
details = Strings.InvalidSmtpBanner(banner);
}
internal static void TestEndPoint(IPEndPoint endPoint, out SmtpConnectivityStatusCode statusCode, out string details)
{
statusCode = SmtpConnectivityStatusCode.Success;
details = string.Empty;
using (Socket socket = new Socket(endPoint.AddressFamily, SocketType.Stream, ProtocolType.Tcp))
{
try
{
socket.Connect(endPoint);
if (!socket.Connected)
{
statusCode = SmtpConnectivityStatusCode.Error;
details = Strings.UnableToConnect;
}
else
{
byte[] array = new byte[2000];
int count = socket.Receive(array, array.Length, SocketFlags.None);
string @string = Encoding.ASCII.GetString(array, 0, count);
TestSmtpConnectivity.ParseBanner(@string, out statusCode, out details);
}
}
catch (SocketException ex)
{
statusCode = SmtpConnectivityStatusCode.Error;
details = ex.Message;
}
}
}
private void WriteErrorAndAddMonitoringEvent(Exception exception, ErrorCategory errorCategory, SmtpConnectivityStatusCode statusCode)
{
this.monitoringData.Events.Add(new MonitoringEvent("MSExchange Monitoring SmtpConnectivity", (int)statusCode, EventTypeEnumeration.Error, exception.Message));
base.WriteError(exception, errorCategory, null);
}
