基于SMTP的邮件发送程序
程序代码：package mail;
public class MailMessage
{
private String from;
private String to;
private String datafrom;
private String datato;
private String subject;
private String content;
private String date;
private String user;
private String password;
public String getPassword()
{
return password;
}
public void setPassword(String password)
{
this.password = password;
}
public String getUser()
{
return user;
}
public void setUser(String user)
{
this.user = user;
}
public String getContent()
{
return content;
}
public void setContent(String content)
{
this.content = content;
}
public String getDatafrom()
{
return datafrom;
}
public void setDatafrom(String datafrom)
{
this.datafrom = datafrom;
}
public String getDatato()
{
return datato;
}
public void setDatato(String datato)
{
this.datato = datato;
}
public String getDate()
{
return date;
}
public void setDate(String date)
{
this.date = date;
}
public String getFrom()
{
return from;
}
public void setFrom(String from)
{
this.from = from;
}
public String getSubject()
{
return subject;
}
public void setSubject(String subject)
{
this.subject = subject;
}
public String getTo()
{
return to;
}
public void setTo(String to)
{
this.to = to;
}
}
//SMTPClient.java
package mail;
/*
* 邮件客户机
* 窗口
*/
//package 邮件客户机;
import java.awt.BorderLayout;
import java.awt.EventQueue;
import javax.mail.*;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.mail.search.FromStringTerm;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JLabel;
import sun.misc.BASE64Encoder;
import java.awt.TextField;
import java.awt.Font;
import java.awt.TextArea;
import java.awt.Button;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import import import import import import import import import java.util.Date;
import java.util.Properties;
import java.util.StringTokenizer;
public class SMTPClient extends JFrame implements ActionListener
{
private JPanel contentPane;
JLabel lblFrom, lblTo, lblSubject, lblMessage,lblUser,lblPassword;
TextField textField_From, textField_To, textField_Subject,textField_User,textField_Password;
TextArea textArea_Message;
Button button_Send, button_Clear, button_Quit;
//private Properties properties;
//private Session mailSession;
//private MimeMessage mailMessage;
//private Transport trans;
private Socket socket;
boolean flag;
private boolean debug=true;
BASE64Encoder encode=new BASE64Encoder();//用于加密后发送用户名和密码
/**
* Launch the application.
*/
public static void main(String[] args)
{
EventQueue.invokeLater(new Runnable()
{
public void run()
{
try
{
SMTPClient frame = new SMTPClient();
frame.setVisible(true);
} catch (Exception e)
{
e.printStackTrace();
}
}
});
}
/**
* Create the frame.
*/
public SMTPClient()
{
/*
* 窗口标题设置 窗口容器设置
*/
setTitle("Java Mailclient");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 455, 330);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setContentPane(contentPane);
contentPane.setLayout(null);
/*
* "From"选项标题设置
*/
lblFrom = new JLabel("From:");
lblFrom.setBounds(10, 3, 45, 15);
contentPane.add(lblFrom);
/*
* 发送地址输入框
*/
textField_From = new TextField();
textField_From.setBounds(61, 3, 373, 23);
contentPane.add(textField_From);
/*
* "User："选项标题设置
*/
lblUser = new JLabel("User:");
lblUser.setBounds(10, 30, 62, 15);
contentPane.add(lblUser);
/*
* 用户名输入框
*/
textField_User = new TextField();
textField_User.setBounds(61, 30, 100, 23);
contentPane.add(textField_User);
/*
* "Password"选项标题设置
*/
lblPassword = new JLabel("Password:");
lblPassword.setBounds(190, 30, 62, 15);
contentPane.add(lblPassword);
/*
* 密码输入框
*/
textField_Password = new TextField();
textField_Password.setBounds(280, 30, 150, 23);
contentPane.add(textField_Password);
/*
* 目的地址框
*/
lblTo = new JLabel("To:");
lblTo.setBounds(10, 58, 27, 15);
contentPane.add(lblTo);
/*
* 目的地址输入框
*/
textField_To = new TextField();
textField_To.setBounds(51, 58, 383, 23);
contentPane.add(textField_To);
/*
* 标题框
*/
lblSubject = new JLabel("Subject:");
lblSubject.setBounds(10, 88, 62, 15);
contentPane.add(lblSubject);
/*
* 标题输入框
*/
textField_Subject = new TextField();
textField_Subject.setBounds(71, 88, 363, 23);
contentPane.add(textField_Subject);
/*
* 邮件内容栏
*/
lblMessage = new JLabel("Message:");
lblMessage.setBounds(10, 115, 62, 15);
contentPane.add(lblMessage);
/*
* 邮件内容输入框
*/
textArea_Message = new TextArea();
textArea_Message.setBounds(0, 135, 434, 125);
contentPane.add(textArea_Message);
/*
* 发送按钮
*/
button_Send = new Button("Send");
button_Send.setBounds(0, 258, 141, 23);
button_Send.addActionListener(this);
contentPane.add(button_Send);
/*
* 清除按钮
*/
button_Clear = new Button("Clear");
button_Clear.setBounds(146, 258, 141, 23);
button_Clear.addActionListener(this);
contentPane.add(button_Clear);
/*
* 退出按钮
*/
button_Quit = new Button("Quit");
button_Quit.setBounds(293, 258, 141, 23);
button_Quit.addActionListener(this);
contentPane.add(button_Quit);
}
//清除内容
public void clear_Mail()
{
/*textField_From.setText("");
textField_User.setText("");
textField_Password.setText("");
textField_To.setText("");*/
textField_Subject.setText("");
textArea_Message.setText("");
}
@Override
public void actionPerformed(ActionEvent e)//按钮事件
{
// TODO Auto-generated method stub
if (e.getSource() == button_Send)
{
send_Button();
} else if (e.getSource() == button_Clear)
{
clear_Mail();
} else if (e.getSource() == button_Quit)
{
System.exit(0);
}
}
public void send_Button()//发送邮件
{
MailMessage message=new MailMessage();
message.setFrom(textField_From.getText());//发件人
message.setTo(textField_To.getText());//收件人
String server="smtp.//邮件服务器
message.setSubject(textField_Subject.getText());//邮件主题
message.setContent(textArea_Message.getText());//邮件内容
message.setDatafrom(textField_From.getText());//发件人，在邮件的发件人栏目中显示
message.setDatato(textField_To.getText());//收件人，在邮件的收件人栏目中显示
message.setUser(textField_User.getText());//登陆邮箱的用户名
message.setPassword(textField_Password.getText());//登陆邮箱的密码
try{
socket=new Socket(server,25);
}catch(SocketException e){
System.out.println(e.getMessage());
}catch(Exception e){
e.printStackTrace();
}finally{
System.out.println("已经建立连接!");
}
flag=sendMail(message,server);
if(flag){
System.out.println("邮件发送成功！");
}
else{
System.out.println("邮件发送失败！");
}
/* try
{
properties = new Properties();
// 设置邮件服务器
properties.put("mail.smtp.host", "smtp.);
// 验证
properties.put("mail.smtp.auth", "true");
// 根据属性新建一个邮件会话
mailSession = Session.getInstance(properties, new Authenticator()
{
public PasswordAuthentication getPasswordAuthentication()
{
return new PasswordAuthentication(textField_User.getText(), textField_Password.getText());
}
});
mailSession.setDebug(true);
// 建立消息对象
mailMessage = new MimeMessage(mailSession);
// 发件人
mailMessage.setFrom(new InternetAddress(textField_From.getText()));
// 收件人
mailMessage.setRecipient(MimeMessage.RecipientType.TO, new InternetAddress(textField_To.getText()));
// 主题
mailMessage.setSubject(textField_Subject.getText());
// 内容
mailMessage.setText(textArea_Message.getText());
// 发信时间
mailMessage.setSentDate(new Date());
// 存储信息
mailMessage.saveChanges();
//
trans = mailSession.getTransport("smtp");
// 发送
trans.send(mailMessage);
} catch (Exception e)
{
e.printStackTrace();
} finally
{
}*/
}
public void helo(String server,BufferedReader in,BufferedWriter out) throws IOException{
int result;
result=getResult(in);
//连接上邮件服务后,服务器给出220应答
if(result!=220){
throw new IOException("连接服务器失败");
}
result=sendServer("HELO "+server,in,out);
//HELO命令成功后返回250
if(result!=250)
{
throw new IOException("注册邮件服务器失败！");
}
}
private int sendServer(String str,BufferedReader in,BufferedWriter out) throws IOException{
out.write(str);
out.newLine();
out.flush();
if(debug)
{
System.out.println("已发送命令:"+str);
}
return getResult(in);
}
public int getResult(BufferedReader in){
String line="";
try{
line=in.readLine();
if(debug){
System.out.println("服务器返回状态:"+line);
}
}catch(Exception e){
e.printStackTrace();
}
//从服务器返回消息中读出状态码,将其转换成整数返回
StringTokenizer st=new StringTokenizer(line," ");
return Integer.parseInt(st.nextToken());
}
public void authLogin(MailMessage message,BufferedReader in,BufferedWriter out) throws IOException{
int result;
result=sendServer("AUTH LOGIN",in,out);
if(result!=334){
throw new IOException("用户验证失败！");
}
result=sendServer(encode.encode(message.getUser().getBytes()),in,out);
if(result!=334){
throw new IOException("用户名错误！");
}
result=sendServer(encode.encode(message.getPassword().getBytes()),in,out);
if(result!=235){
throw new IOException("验证失败！");
}
}
//开始发送消息，邮件源地址
public void mailfrom(String source,BufferedReader in,BufferedWriter out) throws IOException{
int result;
result=sendServer("MAIL FROM:<"+source+">",in,out);
if(result!=250){
throw new IOException("指定源地址错误");
}
}
// 设置邮件收件人
public void rcpt(String touchman,BufferedReader in,BufferedWriter out) throws IOException{
int result;
result=sendServer("RCPT TO:<"+touchman+">",in,out);
if(result!=250){
throw new IOException("指定目的地址错误！");
}
}
//邮件体
public void data(String from,String to,String subject,String content,BufferedReader in,BufferedWriter out) throws IOException{
int result;
result=sendServer("DATA",in,out);
//输入DATA回车后,若收到354应答后,继续输入邮件内容
if(result!=354){
throw new IOException("不能发送数据");
}
out.write("From: "+from);
out.newLine();
out.write("To: "+to);
out.newLine();
out.write("Subject: "+subject);
out.newLine();
out.newLine();
out.write(content);
out.newLine();
//句号加回车结束邮件内容输入
result=sendServer(".",in,out);
System.out.println(result);
if(result!=250)
{
throw new IOException("发送数据错误");
}
}
//退出
public void quit(BufferedReader in,BufferedWriter out) throws IOException{
int result;
result=sendServer("QUIT",in,out);
if(result!=221){
throw new IOException("未能正确退出");
}
}
public boolean sendMail(MailMessage message,String server){
try{
BufferedReader in=new BufferedReader(new InputStreamReader(socket.getInputStream()));
BufferedWriter out=new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
helo(server,in,out);//HELO命令
authLogin(message,in,out);//AUTH LOGIN命令
mailfrom(message.getFrom(),in,out);//MAIL FROM
rcpt(message.getTo(),in,out);//RCPT
data(message.getDatafrom(),message.getDatato(),message.getSubject(),message.getContent(),in,out);//DATA
quit(in,out);//QUIT
}catch(Exception e){
e.printStackTrace();
return false;
}
return true;
}
}
这个程序是基于SMTP的，现在的问题是到验证密码的时候总是不通过，请用SOHU的邮箱来发送，请大家看看
