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| 19. 9. 9. SMTP客户端 |
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import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.net.Socket;
import java.text.DateFormat;
import java.util.Date;
import java.util.Locale;
public class Main {
public static void main(String[] args) throws Exception {
String host = "host";
int port = 25;
String from = "from@from.net";
String toAddr = "to@to.net";
Socket servSocket = new Socket(host, port);
DataOutputStream os = new DataOutputStream(servSocket.getOutputStream());
DataInputStream is = new DataInputStream(servSocket.getInputStream());
if (servSocket != null && os != null && is != null) {
os.writeBytes("HELO\r\n");
os.writeBytes("MAIL From:" + from + " \r\n");
os.writeBytes("RCPT To:" + toAddr + "\r\n");
os.writeBytes("DATA\r\n");
os.writeBytes("X-Mailer: Java\r\n");
os.writeBytes("DATE: " + DateFormat.getDateInstance(DateFormat.FULL, Locale.US).format(new Date()) + "\r\n");
os.writeBytes("From:" + from + "\r\n");
os.writeBytes("To:" + toAddr + "\r\n");
}
os.writeBytes("Subject:\r\n");
os.writeBytes("body\r\n");
os.writeBytes("\r\n.\r\n");
os.writeBytes("QUIT\r\n");
String responseline;
while ((responseline = is.readUTF()) != null) {
if (responseline.indexOf("Ok") != -1)
break;
}
}
}
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