在servlet中直接写端口发送邮件的例子

发布: 2007-7-04 13:34 | 作者: admin | 来源: 　网友评论 | 查看: 18次 | 进入软件测试论坛讨论

/**
*Class TestEmail
*@author yancheng(j-share.onchina.net)
*@version 1.0.0
*
* use write socket to send email.
*/
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import java.net.*;

public class TestEmail extends HttpServlet
{

private static final String CONTENT_TYPE = "text/html";

public void init(ServletConfig config) throws ServletException
{
    super.init(config);
}

public void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException
{
    response.setContentType(CONTENT_TYPE);

    PrintWriter out = response.getWriter();

Socket s = new Socket("smtp.163.net",25);

PrintWriter ou = new PrintWriter(s.getOutputStream(),true);
BufferedReader in = new BufferedReader(new InputStreamReader(s.getInputStream()));

    out.println("<html>");
    out.println("<head><title>TestEmail</title></head>");
    out.println("<body>");

    String instr = null;
  boolean isOk = false;

    try{
    ou.println("HELO:smtp.163.net");
    out.println(in.readLine());

    ou.println("MAIL FROM:showtop@163.net");
    instr = in.readLine();
    out.println(instr);
    if(instr.startsWith("250")) isOk = true;
    else isOk=false;

  if(isOk){
    ou.println("RCPT TO:ycshowtop@21cn.com");
    instr = in.readLine();
    out.println(instr);
    if(instr.startsWith("250")) isOk=true;
    else isOk = false;
  }

  if(isOk){
    ou.println("DATA");
    instr = in.readLine();
    out.println(instr);
    if(instr.startsWith("250")) isOk = true;
    else isOk=false;
  }

    ou.println("这是一个测试邮件");
    ou.println(".");
    instr = in.readLine();
    out.println(instr);
    if(instr.startsWith("250"))   isOk=true;
    else isOk=false;
  ou.println("QUIT");
    s.close();
}
catch(IOException x)
{
  x.printStackTrace(System.err);
}


    out.println("<p>ok</p>");

    out.println("</body></html>");
}

    public void destroy()
{
}
}