1、发送QQ邮件
1 import java.util.Properties;
2 import javax.mail.Message;
3 import javax.mail.MessagingException;
4 import javax.mail.Session;
5 import javax.mail.Transport;
6 import javax.mail.internet.AddressException;
7 import javax.mail.internet.InternetAddress;
8 import javax.mail.internet.MimeMessage;
9
10 public class SendQQMailUtil {
11
12 public static void main(String[] args) throws AddressException,MessagingException {
13 Properties properties = new Properties();
14 properties.put("mail.transport.protocol", "smtp");// 连接协议
15 properties.put("mail.smtp.host", "smtp.qq.com");// 主机名
16 properties.put("mail.smtp.port", 465);// 端口号
17 properties.put("mail.smtp.auth", "true");
18 properties.put("mail.smtp.ssl.enable", "true");// 设置是否使用ssl安全连接 ---一般都使用
19 properties.put("mail.debug", "true");// 设置是否显示debug信息 true 会在控制台显示相关信息
20 // 得到回话对象
21 Session session = Session.getInstance(properties);
22 // 获取邮件对象
23 Message message = new MimeMessage(session);
24 // 设置发件人邮箱地址
25 message.setFrom(new InternetAddress("xxx@qq.com"));
26 // 设置收件人邮箱地址
27 message.setRecipients(Message.RecipientType.TO, new InternetAddress[]{new InternetAddress("xxx@qq.com"),new InternetAddress("xxx@qq.com"),new InternetAddress("xxx@qq.com")});
28 //message.setRecipient(Message.RecipientType.TO, new InternetAddress("xxx@qq.com"));//一个收件人
29 // 设置邮件标题
30 message.setSubject("xmqtest");
31 // 设置邮件内容
32 message.setText("邮件内容邮件内容邮件内容xmqtest");
33 // 得到邮差对象
34 Transport transport = session.getTransport();
35 // 连接自己的邮箱账户
36 transport.connect("xxx@qq.com", "xxxxxxxxxxxxx");// 密码为QQ邮箱开通的stmp服务后得到的客户端授权码
37 // 发送邮件
38 transport.sendMessage(message, message.getAllRecipients());
39 transport.close();
40 }
41 }2、发送163邮箱
1 import java.io.IOException;
2 import java.util.*;
3
4 import javax.mail.*;
5 import javax.mail.internet.*;
6 import javax.activation.*;
7
8 public class SendMailUtil {
9
10 static String HOST = ""; // smtp服务器
11 static String FROM = ""; // 发件人地址
12 static String TO = ""; // 收件人地址
13 static String AFFIX = ""; // 附件地址
14 static String AFFIXNAME = ""; // 附件名称
15 static String USER = ""; // 用户名
16 static String PWD = ""; // 163的授权码
17 static String SUBJECT = ""; // 邮件标题
18 static String[] TOS = null;
19
20 static {
21 try {
22 Properties props = new Properties();
23 props.load(Thread.currentThread().getContextClassLoader().getResourceAsStream("config.properties"));//从自定义配置文件获取相关参数
24 HOST=props.getProperty("host");
25 FROM=props.getProperty("from");
26 TO=props.getProperty("to");
27 TOS=TO.split(",");
28 AFFIX=props.getProperty("affix");
29 AFFIXNAME=props.getProperty("affixName");
30 USER=props.getProperty("user");
31 PWD=props.getProperty("pwd");
32 SUBJECT=props.getProperty("subject");
33 } catch (IOException e) {
34 e.printStackTrace();
35 }
36 }
37
38 /**
39 * 发送邮件
40 * @param host
41 * @param user
42 * @param pwd
43 */
44 public static void send(String context) {
45 Properties props = new Properties();
46 props.put("mail.smtp.host", HOST);//设置发送邮件的邮件服务器的属性（这里使用网易的smtp服务器）
47 props.put("mail.smtp.auth", "true"); //需要经过授权，也就是有户名和密码的校验，这样才能通过验证（一定要有这一条）
48 Session session = Session.getDefaultInstance(props);//用props对象构建一个session
49 session.setDebug(true);
50 MimeMessage message = new MimeMessage(session);//用session为参数定义消息对象
51 try {
52 message.setFrom(new InternetAddress(FROM));// 加载发件人地址
53 InternetAddress[] sendTo = new InternetAddress[TOS.length]; // 加载收件人地址
54 for (int i = 0; i < TOS.length; i++) {
55 sendTo[i] = new InternetAddress(TOS[i]);
56 }
57 message.addRecipients(Message.RecipientType.TO,sendTo);
58 message.addRecipients(MimeMessage.RecipientType.CC, InternetAddress.parse(FROM));//设置在发送给收信人之前给自己（发送方）抄送一份，不然会被当成垃圾邮件，报554错
59 message.setSubject(SUBJECT);//加载标题
60 Multipart multipart = new MimeMultipart();//向multipart对象中添加邮件的各个部分内容，包括文本内容和附件
61 BodyPart contentPart = new MimeBodyPart();//设置邮件的文本内容
62 contentPart.setText(context);
63 multipart.addBodyPart(contentPart);
64 if(!AFFIX.isEmpty()){//添加附件
65 BodyPart messageBodyPart = new MimeBodyPart();
66 DataSource source = new FileDataSource(AFFIX);
67 messageBodyPart.setDataHandler(new DataHandler(source));//添加附件的内容
68 sun.misc.BASE64Encoder enc = new sun.misc.BASE64Encoder();//添加附件的标题
69 messageBodyPart.setFileName("=?GBK?B?"+ enc.encode(AFFIXNAME.getBytes()) + "?=");
70 multipart.addBodyPart(messageBodyPart);
71 }
72 message.setContent(multipart);//将multipart对象放到message中
73 message.saveChanges(); //保存邮件
74 Transport transport = session.getTransport("smtp");//发送邮件
75 transport.connect(HOST, USER, PWD);//连接服务器的邮箱
76 transport.sendMessage(message, message.getAllRecipients());//把邮件发送出去
77 transport.close();//关闭连接
78 } catch (Exception e) {
79 e.printStackTrace();
80 }
81 }
82
83
84 // public static void main(String[] args) {
85 // send("内容");
86 // }
87
88 }或者
1 import java.util.Properties;
2 import javax.mail.Message;
3 import javax.mail.MessagingException;
4 import javax.mail.Session;
5 import javax.mail.Transport;
6 import javax.mail.internet.AddressException;
7 import javax.mail.internet.InternetAddress;
8 import javax.mail.internet.MimeMessage;
9
10 /*<!-- javax.mai 核心包 -->
11 <dependency>
12 <groupId>javax.activation</groupId>
13 <artifactId>activation</artifactId>
14 <version>1.1</version>
15 </dependency>
16 <dependency>
17 <groupId>javax.mail</groupId>
18 <artifactId>mail</artifactId>
19 <version>1.4.5</version>
20 </dependency>*/
21
22 public class TestJava {
23 public static void main(String[] args) throws MessagingException {
24 Properties prop=new Properties();
25 prop.put("mail.host","smtp.163.com" );
26 prop.put("mail.transport.protocol", "smtp");
27 prop.put("mail.smtp.auth", true);
28 //使用java发送邮件5步骤
29 //1.创建sesssion
30 Session session=Session.getInstance(prop);
31 //开启session的调试模式，可以查看当前邮件发送状态
32 session.setDebug(true);
33 //2.通过session获取Transport对象（发送邮件的核心API）
34 Transport ts=session.getTransport();
35 //3.通过邮件用户名密码链接
36 ts.connect("13691209103@163.com", "客户端授权码");
37 //4.创建邮件
38 Message msg=createSimpleMail(session);
39 //5.发送电子邮件
40 ts.sendMessage(msg, msg.getAllRecipients());
41 }
42
43 public static MimeMessage createSimpleMail(Session session) throws AddressException,MessagingException{
44 //创建邮件对象
45 MimeMessage mm=new MimeMessage(session);
46 //设置发件人
47 mm.setFrom(new InternetAddress("13691209103@163.com"));
48 //设置收件人
49 mm.setRecipient(Message.RecipientType.TO, new InternetAddress("13691209103@163.com"));
50 //设置抄送人
51 // mm.setRecipient(Message.RecipientType.CC, new InternetAddress(""));
52 // 添加主题
53 mm.setSubject("第一封JAVA邮件！");
54 // 添加邮件内容
55 mm.setContent("咱们开会吧", "text/html;charset=utf-8");
56 return mm;
57 }
58
59 }
3、163邮箱向qq或企业邮箱等发邮件。
1 package com.feihe.util.mail;
2
3 import java.util.ArrayList;
4 import java.util.Date;
5 import java.util.List;
6 import java.util.Properties;
7 import java.util.regex.Matcher;
8 import java.util.regex.Pattern;
9
10 import javax.activation.DataHandler;
11 import javax.activation.DataSource;
12 import javax.activation.FileDataSource;
13 import javax.mail.Address;
14 import javax.mail.Authenticator;
15 import javax.mail.BodyPart;
16 import javax.mail.Message;
17 import javax.mail.PasswordAuthentication;
18 import javax.mail.Session;
19 import javax.mail.Transport;
20 import javax.mail.internet.InternetAddress;
21 import javax.mail.internet.MimeBodyPart;
22 import javax.mail.internet.MimeMessage;
23 import javax.mail.internet.MimeMultipart;
24 import javax.mail.internet.MimeUtility;
25
26 import com.sun.mail.util.MailSSLSocketFactory;
27
28 public class sendMailTest {
29 public static void main(String[] args) throws Exception {
30 // 配置信息
31 Properties pro = new Properties();
32 pro.put("mail.smtp.host", "smtp.163.com");
33 pro.put("mail.smtp.auth", "true");
34 // SSL加密
35 MailSSLSocketFactory sf = null;
36 sf = new MailSSLSocketFactory();
37 // 设置信任所有的主机
38 sf.setTrustAllHosts(true);
39 pro.put("mail.smtp.ssl.enable", "true");
40 pro.put("mail.smtp.ssl.socketFactory", sf);
41 // 根据邮件的会话属性构造一个发送邮件的Session，这里需要注意的是用户名那里不能加后缀，否则便不是用户名了
42 //还需要注意的是，这里的密码不是正常使用邮箱的登陆密码，而是客户端生成的另一个专门的授权码
43 MailAuthenticator0 authenticator = new MailAuthenticator0("13691209103", "客户端授权码");
44 Session session = Session.getInstance(pro, authenticator);
45 // 根据Session 构建邮件信息
46 Message message = new MimeMessage(session);
47 // 创建邮件发送者地址
48 Address from = new InternetAddress("13691209103@163.com");
49 // 设置邮件消息的发送者
50 message.setFrom(from);
51 // 验证收件人邮箱地址
52 List<String> toAddressList = new ArrayList<>();
53 toAddressList.add("liuruiting@feihe.com");
54 StringBuffer buffer = new StringBuffer();
55 if (!toAddressList.isEmpty()) {
56 String regEx = "^([a-z0-9A-Z]+[-|\\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-zA-Z]{2,}$";
57 Pattern p = Pattern.compile(regEx);
58 for (int i = 0; i < toAddressList.size(); i++) {
59 Matcher match = p.matcher(toAddressList.get(i));
60 if (match.matches()) {
61 buffer.append(toAddressList.get(i));
62 if (i < toAddressList.size() - 1) {
63 buffer.append(",");
64 }
65 }
66 }
67 }
68 String toAddress = buffer.toString();
69 if (!toAddress.isEmpty()) {
70 // 创建邮件的接收者地址
71 Address[] to = InternetAddress.parse(toAddress);
72 // 设置邮件接收人地址
73 message.setRecipients(Message.RecipientType.TO, to);
74 // 邮件主题
75 // message.setSubject("java邮件测试");
76 message.setSubject("为什么错了");
77 // 邮件容器
78 MimeMultipart mimeMultiPart = new MimeMultipart();
79 // 设置HTML
80 BodyPart bodyPart = new MimeBodyPart();
81 // 邮件内容
82 // String htmlText = "java邮件测试111";
83 String htmlText = "为什么错了";
84 bodyPart.setContent(htmlText, "text/html;charset=utf-8");
85 mimeMultiPart.addBodyPart(bodyPart);
86 // 添加附件
87 List<String> fileAddressList = new ArrayList<String>();
88 fileAddressList.add("C:\\Users\\haw2106\\Desktop\\123.jpg");
89 if (fileAddressList != null) {
90 BodyPart attchPart = null;
91 for (int i = 0; i < fileAddressList.size(); i++) {
92 if (!fileAddressList.get(i).isEmpty()) {
93 attchPart = new MimeBodyPart();
94 // 附件数据源
95 DataSource source = new FileDataSource(fileAddressList.get(i));
96 // 将附件数据源添加到邮件体
97 attchPart.setDataHandler(new DataHandler(source));
98 // 设置附件名称为原文件名
99 attchPart.setFileName(MimeUtility.encodeText(source.getName()));
100 mimeMultiPart.addBodyPart(attchPart);
101 }
102 }
103 }
104 message.setContent(mimeMultiPart);
105 message.setSentDate(new Date());
106 // 保存邮件
107 message.saveChanges();
108 // 发送邮件
109 Transport.send(message);
110 }
111 }
112 }
113
114 class MailAuthenticator0 extends Authenticator {
115 /**
116 * 用户名
117 */
118 private String username;
119 /**
120 * 密码
121 */
122 private String password;
123
124 /**
125 * 创建一个新的实例 MailAuthenticator.
126 *
127 * @param username
128 * @param password
129 */
130 public MailAuthenticator0(String username, String password) {
131 this.username = username;
132 this.password = password;
133 }
134
135 public String getPassword() {
136 return password;
137 }
138
139 @Override
140 protected PasswordAuthentication getPasswordAuthentication() {
141 return new PasswordAuthentication(username, password);
142 }
143
144 public String getUsername() {
145 return username;
146 }
147
148 public void setPassword(String password) {
149 this.password = password;
150 }
151
152 public void setUsername(String username) {
153 this.username = username;
154 }
155
156 }
4、关于邮箱服务授权配置自行参考官方文档。
如163邮箱设置：
来源：oschina
链接：https://my.oschina.net/u/4329662/blog/3639675