import java.io.*;
    import java.net.*;
    public class email {
    
      public static void main(String args[]) throws IOException {
		Socket sock = null;
		BufferedReader bis = null;
		PrintStream ps = null;

                try {
		sock = new Socket("localhost", 25);
 		bis = new BufferedReader(
        	              	new InputStreamReader(sock.getInputStream()));
		ps = new PrintStream(sock.getOutputStream());

		ps.println("mail from: trelford");
		//System.out.println( dis.readLine() );
		// Exercise for student:
		// check all responses from the SMTP server
		// They should all start with "2nn" or "3nn"
		// Any different reply code means a failure to send mail.
		System.out.println(bis.readLine());
                } catch (IOException ioe) {
                   System.out.println("Sorry, your system is not running a mailserver on port 25");
                   System.exit(0);
                }

		String Addressee= "linden";
		ps.println("rcpt to: " + Addressee);
		//System.out.println( dis.readLine() );
		System.out.println(bis.readLine());

		ps.println("data");
		//System.out.println( dis.readLine() );
		System.out.println(bis.readLine());

		ps.println("This is the message\n that Java sent");
		ps.println(".");
		System.out.println(bis.readLine());

		ps.flush();
		sock.close();
	}
}