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-
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- package mail;
-
-
-
-
-
- import java.io.BufferedReader;
- import java.io.BufferedWriter;
- import java.io.IOException;
- import java.io.InputStreamReader;
- import java.io.OutputStreamWriter;
- import java.net.Socket;
- import java.net.SocketException;
- import java.net.UnknownHostException;
- import java.util.StringTokenizer;
-
- public class SMTPClient {
-
- private boolean debug = true;
- BASE64Encoder encode = new BASE64Encoder();
-
- public static void main(String[] args) throws UnknownHostException,
- IOException {
- MailMessage message = new MailMessage();
- message.setFrom("test@163.com");
- message.setTo("test@hotmail.com,test@gmail.com,test@sina.com");
- String server = "smtp.163.com";
- message.setSubject("Java Mail Test");
- message.setContent("你好!這里是系統(tǒng)發(fā)出的JAVA MAIL測試,請勿回復(fù)。");
- message.setDataFrom("Sender");
- message.setDataTo("Receiver");
- message.setUser("test@163.com");
- message.setPassword("********");
-
- SMTPClient smtp = new SMTPClient(server, 25);
- boolean flag;
- flag = smtp.sendMail(message, server);
- if (flag) {
- System.out.println("郵件發(fā)送成功!");
- } else {
- System.out.println("郵件發(fā)送失敗!");
- }
- }
-
- private Socket socket;
-
- public SMTPClient(String server, int port) throws UnknownHostException,
- IOException {
- try {
- socket = new Socket(server, 25);
- } catch (SocketException e) {
- System.out.println(e.getMessage());
- } catch (Exception e) {
- e.printStackTrace();
- } finally {
- System.out.println("已經(jīng)建立連接!");
- }
-
- }
-
-
- public void helo(String server, BufferedReader in, BufferedWriter out)
- throws IOException {
- int result;
- result = getResult(in);
-
- if (result != 220) {
- throw new IOException("連接服務(wù)器失敗");
- }
- result = sendServer("HELO " + server, in, out);
-
- if (result != 250) {
- throw new IOException("注冊郵件服務(wù)器失敗!");
- }
- }
-
- private int sendServer(String str, BufferedReader in, BufferedWriter out)
- throws IOException {
- out.write(str);
- out.newLine();
- out.flush();
- if (debug) {
- System.out.println("已發(fā)送命令:" + str);
- }
- return getResult(in);
- }
-
- public int getResult(BufferedReader in) {
- String line = "";
- try {
- line = in.readLine();
- if (debug) {
- System.out.println("服務(wù)器返回狀態(tài):" + line);
- }
- } catch (Exception e) {
- e.printStackTrace();
- }
-
- 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("用戶驗證失??!");
- }
-
- result = sendServer(encode.encode(message.getUser().getBytes()), in,
- out);
- if (result != 334) {
- throw new IOException("錯誤!");
- }
- result = sendServer(encode.encode(message.getPassword().getBytes()),
- in, out);
-
- if (result != 235) {
- throw new IOException("驗證失?。?);
- }
- }
-
-
- 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("指定源地址錯誤");
- }
- }
-
-
- public void rcpt(String touchman, BufferedReader in, BufferedWriter out)
- throws IOException {
-
- String[] mailList = touchman.split(",");
- if (mailList.length > 1) {
- for (String touch : mailList) {
- connectionServer(touch,in,out);
- }
- }else
- connectionServer(touchman,in,out);
-
- }
-
- private void connectionServer(String touch, BufferedReader in, BufferedWriter out)
- throws IOException {
- int result;
- result = sendServer("RCPT TO:<" + touch + ">", in, out);
- if (result != 250) {
- throw new IOException("指定目的地址錯誤!");
- }
- }
-
-
- public void data(String from, String to, String subject, String content,
- BufferedReader in, BufferedWriter out) throws IOException {
- int result;
- result = sendServer("DATA", in, out);
-
- if (result != 354) {
- throw new IOException("不能發(fā)送數(shù)據(jù)");
- }
- 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();
-
- result = sendServer(".", in, out);
- System.out.println(result);
- if (result != 250) {
- throw new IOException("發(fā)送數(shù)據(jù)錯誤");
- }
- }
-
-
- public void quit(BufferedReader in, BufferedWriter out) throws IOException {
- int result;
- result = sendServer("QUIT", in, out);
- if (result != 221) {
- throw new IOException("未能正確退出");
- }
- }
-
-
- 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);
- authLogin(message, in, out);
- mailFrom(message.getFrom(), in, out);
- rcpt(message.getTo(), in, out);
- data(message.getDataFrom(), message.getDataTo(), message
- .getSubject(), message.getContent(), in, out);
- quit(in, out);
- } catch (Exception e) {
- e.printStackTrace();
- return false;
-
- }
- return true;
- }
-
- }
-
-
-
- package mail;
-
-
-
-
-
- public class MailMessage {
- private String from;
- private String to;
- private String subject;
- private String content;
- private String dataFrom;
- private String dataTo;
- private String user;
- private String password;
-
-
-
- public MailMessage() {
- super();
-
- }
-
-
-
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-
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-
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- public MailMessage(String from, String to, String subject, String content,
- String dataFrom, String dataTo, String user, String password) {
- super();
- this.from = from;
- this.to = to;
- this.subject = subject;
- this.content = content;
- this.dataFrom = dataFrom;
- this.dataTo = dataTo;
- this.user = user;
- this.password = password;
- }
- public String getFrom() {
- return from;
- }
- public void setFrom(String from) {
- this.from = from;
- }
- public String getTo() {
- return to;
- }
- public void setTo(String to) {
- this.to = to;
- }
- public String getSubject() {
- return subject;
- }
- public void setSubject(String subject) {
- this.subject = subject;
- }
- 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 getUser() {
- return user;
- }
- public void setUser(String user) {
- this.user = user;
- }
- public String getPassword() {
- return password;
- }
- public void setPassword(String password) {
- this.password = password;
- }
-
-
- }
-
-
-
- package mail;
-
-
-
-
-
- public class BASE64Encoder {
- private static char[] codec_table = { 'A', 'B', 'C', 'D', 'E', 'F', 'G',
- 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
- 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
- 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
- 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6',
- '7', '8', '9', '+', '/' };
-
- public BASE64Encoder() {
-
- }
-
- public String encode(byte[] a) {
- int totalBits = a.length * 8;
- int nn = totalBits % 6;
- int curPos = 0;
- StringBuffer toReturn = new StringBuffer();
- while (curPos < totalBits) {
- int bytePos = curPos / 8;
- switch (curPos % 8) {
- case 0:
- toReturn.append(codec_table[(a[bytePos] & 0xfc) >> 2]);
- break;
- case 2:
-
- toReturn.append(codec_table[(a[bytePos] & 0x3f)]);
- break;
- case 4:
- if (bytePos == a.length - 1) {
- toReturn
- .append(codec_table[((a[bytePos] & 0x0f) << 2) & 0x3f]);
- } else {
- int pos = (((a[bytePos] & 0x0f) << 2) | ((a[bytePos + 1] & 0xc0) >> 6)) & 0x3f;
- toReturn.append(codec_table[pos]);
- }
- break;
- case 6:
- if (bytePos == a.length - 1) {
- toReturn
- .append(codec_table[((a[bytePos] & 0x03) << 4) & 0x3f]);
- } else {
- int pos = (((a[bytePos] & 0x03) << 4) | ((a[bytePos + 1] & 0xf0) >> 4)) & 0x3f;
- toReturn.append(codec_table[pos]);
- }
- break;
- default:
-
- break;
- }
- curPos+=6;
- }
- if(nn==2)
- {
- toReturn.append("==");
- }
- else if(nn==4)
- {
- toReturn.append("=");
- }
- return toReturn.toString();
-
- }
-
- }
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