public bool Disconnect()
{
try
{
if (_streamWriter != null && _streamReader != null)
{
if (this.IsConnected)
{
_streamWriter.WriteLine("QUIT");
_streamReader.ReadLine();
}
}
return true;
}
catch
{
//eat it.
return false;
}
finally
{
if (_streamWriter != null && _streamReader != null)
{
_streamWriter.Dispose();
_streamWriter = null;
_streamReader.Dispose();
_streamReader = null;
}
if (_networkStream != null)
{
_networkStream.Dispose();
_networkStream = null;
}
if (_tcpClient != null)
{
_tcpClient.Close();
_tcpClient = null;
}
}
}
public bool Connect()
{
this.ErrorMessage = string.Empty;
for (int i = 0; i <= 4; i++)
{
TCPSocket.Connect(SMTPServer, Port);
if (TCPSocket.Connected)
{
//_networkStream = new NetworkStream(TCPSocket.GetStream());
_bufferedStream = new BufferedStream(TCPSocket.GetStream());
//_bufferedStream.ReadTimeout = ReadTimeout;
//_bufferedStream.WriteTimeout = WriteTimeout;
//_networkStream.ReadTimeout = ReadTimeout;
//_networkStream.WriteTimeout = WriteTimeout;
if (WriteToLog)
_smtpLogList = new List<string>();
_streamWriter = new SMTPWriter(_bufferedStream, _smtpLogList);
_streamWriter.AutoFlush = true;
_streamReader = new SMTPReader(_bufferedStream, _smtpLogList);
_streamReader.ReadLine(SMTP_SERVICE_READY_RESPONSE);
_streamWriter.WriteLine(string.Concat("HELO ", HELODomain));
_streamReader.ReadLine(SMTP_ACTION_COMPLETED_RESPONSE);
return true;
}
}
return false;
}