public static void sendMail()
{
try {
while (SmtpMailerThreadPool.ThreadPool == SmtpMailerThreadPool.ThreadPoolMax)
{
Thread.Sleep(10);
}
SmtpMailerThread sm = new SmtpMailerThread();
sm.MAILTO = MAILTO;
sm.MAILFROM = MAILFROM;
sm.SUBJECT = SUBJECT;
sm.BODYTEXT = BODYTEXT;
sm.HTMLBODYTYPE = HTMLBODYTYPE;
sm.SMTPSERVER = SMTPSERVER;
Thread t = new Thread(new ThreadStart(sm.send));
t.Name = "SmtpMailerThread2";
SmtpMailerThreadPool.incrementThreadPool();
t.Start();
} catch (Exception e) {
throw(e);
}
}
public void send()
{
try {
// ATTEMPT TO CONNECT TO SERVER
IPHostEntry ipHost = Dns.Resolve(SMTPSERVER);
IPEndPoint endPt = new IPEndPoint(ipHost.AddressList[0], 25);
Socket s = new Socket(endPt.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
s.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, RECEIVE_TIMEOUT);
s.Connect(endPt);
if (!(checkResponse(s, SMTPResponse.CONNECT_SUCCESS)))
{
s.Close();
}
// INITIAL SMTP COMMANDS
sendData(s, string.Format("HELO {0}\r\n", Dns.GetHostName()));
if (!(checkResponse(s, SMTPResponse.GENERIC_SUCCESS)))
{
s.Close();
}
sendData(s, string.Format("MAIL FROM: <{0}>\r\n", MAILFROM));
if (!(checkResponse(s, SMTPResponse.GENERIC_SUCCESS)))
{
s.Close();
}
sendData(s, string.Format("RCPT TO: <{0}>\r\n", MAILTO));
if (!(checkResponse(s, SMTPResponse.GENERIC_SUCCESS)))
{
s.Close();
}
// BUILDING BODY OF EMAIL
StringBuilder Header = new StringBuilder();
Header.Append("From: ");
Header.Append(MAILFROM);
Header.Append("\r\n");
Header.Append("To: ");
Header.Append(MAILTO);
Header.Append("\r\n");
Header.Append("Subject: ");
Header.Append(SUBJECT);
Header.Append("\r\n");
// CHECK FOR HTML BODY
if (HTMLBODYTYPE)
{
Header.Append("Mime-Version: 1.0\r\n");
Header.Append("Content-Type: text/html; charset=\"ISO-8859-1\"\r\n");
}
// IF BODY DOESN'T END WITH CR LF - THEN ADD IT
if (!BODYTEXT.EndsWith("\r\n"))
{
BODYTEXT += "\r\n";
}
// DATA COMMAND & BODY
sendData(s, ("DATA\r\n"));
if (!(checkResponse(s, SMTPResponse.DATA_SUCCESS)))
{
s.Close();
}
Header.Append("\r\n");
Header.Append(BODYTEXT);
Header.Append(".\r\n");
Header.Append("\r\n");
Header.Append("\r\n");
sendData(s, Header.ToString());
s.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, PAYLOAD_RECEIVE_TIMEOUT);
if (!(checkResponse(s, SMTPResponse.GENERIC_SUCCESS)))
{
s.Close();
}
// QUIT
sendData(s, "QUIT\r\n");
s.Close();
myCounter.Increment();
} catch (Exception e) {
myCounter.Close();
throw(e);
} finally {
try {
SmtpMailerThreadPool.decrementThreadPool();
myCounter.Close();
} catch (Exception e) {
throw(e);
}
}
}