java实现smtp邮件发送

 1 import java.util.Properties;
 2 
 3 import javax.mail.Authenticator;
 4 import javax.mail.MessagingException;
 5 import javax.mail.PasswordAuthentication;
 6 import javax.mail.Session;
 7 import javax.mail.Transport;
 8 import javax.mail.Message.RecipientType;
 9 import javax.mail.internet.InternetAddress;
10 import javax.mail.internet.MimeMessage;
11 
12 public class SendMailThread extends Thread{
13     
14     private String mailAdr;
15     private String content;
16     private String subject ;
17     
18     public SendMailThread(String mailAdr, String subject, String content) {
19         super();
20         this.mailAdr = mailAdr;
21         this.content = content;
22         this.subject = subject;
23     }
24 
25     @Override
26     public void run() {
27         // TODO Auto-generated method stub
28         super.run();
29         sendMail(mailAdr,subject,content);
30     }
31     
32     /*
33      * mailAdr 收件人地址
34      * subject 邮件标题
35      * content 邮件文本内容
36      */
37     public void sendMail(String mailAdr,String subject,String content){
38         //配置发送邮件的环境属性
39         final Properties props = new Properties();
40         // 表示SMTP发送邮件，需要进行身份验证
41         props.put("mail.smtp.auth", "true");
42         props.put("mail.smtp.host", "smtp.qq.com");
43         //smtp登陆的账号、密码 ；需开启smtp登陆
44         props.put("mail.user", "XXXXX@qq.com");
45         // 访问SMTP服务时需要提供的密码,不是邮箱登陆密码，一般都有独立smtp的登陆密码
46         props.put("mail.password", "XXXXX");
47         
48         // 构建授权信息，用于进行SMTP进行身份验证
49         Authenticator authenticator = new Authenticator() {
50             @Override
51             protected PasswordAuthentication getPasswordAuthentication() {
52                 // 用户名、密码
53                 String userName = props.getProperty("mail.user");
54                 String password = props.getProperty("mail.password");
55                 return new PasswordAuthentication(userName, password);
56             }
57         };
58         
59         // 使用环境属性和授权信息，创建邮件会话
60         Session mailSession = Session.getInstance(props, authenticator);
61         // 创建邮件消息
62         MimeMessage message = new MimeMessage(mailSession);
63         // 设置发件人
64         try{
65             InternetAddress form = new InternetAddress(
66                     props.getProperty("mail.user"));
67             message.setFrom(form);
68 
69             // 设置收件人
70             InternetAddress to = new InternetAddress(mailAdr);
71             message.setRecipient(RecipientType.TO, to);
72             
73             // 设置抄送
74             //InternetAddress cc = new InternetAddress("luo_aaaaa@yeah.net");
75             //message.setRecipient(RecipientType.CC, cc);
76 
77             // 设置密送，其他的收件人不能看到密送的邮件地址
78             //InternetAddress bcc = new InternetAddress("aaaaa@163.com");
79             //message.setRecipient(RecipientType.CC, bcc);
80             
81             // 设置邮件标题
82             message.setSubject(subject);
83             // 设置邮件的内容体
84             message.setContent(content, "text/html;charset=UTF-8");
85             // 发送邮件
86             Transport.send(message);
87         }catch(MessagingException e){
88             e.printStackTrace();
89         }
90     }
91 
92     public static void main(String[] args) {
93         // TODO Auto-generated method stub
94         SendMailThread d = new SendMailThread("xxxxxxx@qq.com","测试邮件标题","测试邮件001 <br>内容....");
95         d.start();
96         System.out.println("程序继续...");
97     }
98 
99 }

SendMailThread mail = new SendMailThread("邮件地址","邮件标题","邮件内容");
mail.start();

//群发方式一，用数组
InternetAddress[] adds = new InternetAddress[2];
adds[0] = new InternetAddress("xxxx@qq.com");
adds[1] = new InternetAddress("xxxx@qq.com");
message.setRecipients(RecipientType.TO, adds);
//群发方式二，直接用String多个地址有逗号隔开
message.setRecipients(RecipientType.TO, "xxxxx@qq.com,xxxxx@qq.com");