java发送邮件

 1 public class Mail {
 2     private String subject;
 3     private String from;
 4     private String[] recipients;
 5     private String message;
 6 
 7     private static final String SMTP_HOST_NAME = "";//你的smtp服务器地址
 8     private static final String SMTP_AUTH_USER = "";//smtp用户名
 9     private static final String SMTP_AUTH_PWD  = "";    //密码;
10     
11     public void send() throws MessagingException{
12         boolean debug = false;
13 
14         Properties props = new Properties();
15         props.put("mail.smtp.host", SMTP_HOST_NAME);
16         props.put("mail.smtp.auth", "true");
17 
18         Session session = Session.getDefaultInstance(props, new SMTPAuthenticator());
19         session.setDebug(debug);
20 
21         // create a message
22         Message msg = new MimeMessage(session);
23         msg.setFrom(new InternetAddress(from));
24 
25         InternetAddress[] addressTo = new InternetAddress[recipients.length];
26         for (int i = 0; i < recipients.length; i++)
27         {
28             addressTo[i] = new InternetAddress(recipients[i]);
29         }
30         msg.setRecipients(Message.RecipientType.TO, addressTo);
31 
32         msg.setHeader("X-Priority", "3");    //1:紧急 3:普通 5:缓慢
33         msg.setSubject(subject);
34         msg.setContent(message, "text/plain; charset=UTF-8");
35         Transport.send(msg);
36     }
37     
38     //如需认证发件，可打开下面注释
39     private class SMTPAuthenticator extends javax.mail.Authenticator
40     {
41 
42         public PasswordAuthentication getPasswordAuthentication()
43         {
44             String username = SMTP_AUTH_USER;
45             String password = SMTP_AUTH_PWD;
46             return new PasswordAuthentication(username, password);
47         }
48     }
49     
50     public String getSubject() {
51         return subject;
52     }
53 
54 
55     public void setSubject(String subject) {
56         this.subject = subject;
57     }
58 
59 
60     public String getFrom() {
61         return from;
62     }
63 
64 
65     public void setFrom(String from) {
66         this.from = from;
67     }
68 
69 
70     public String[] getRecipients() {
71         return recipients;
72     }
73 
74 
75     public void setRecipients(String[] recipients) {
76         this.recipients = recipients;
77     }
78 
79 
80     public String getMessage() {
81         return message;
82     }
83 
84 
85     public void setMessage(String message) {
86         this.message = message;
87     }
88 
89 
90 
91 }

private static void sendRenew(String toMail,String message){
        Mail mail = new Mail();
        mail.setFrom("License Manager <huang@163.com>");//发送方
        mail.setRecipients(new String[]{toMail});//接收方，可以多个
        mail.setSubject("Renew Now!!");
        mail.setMessage(message);
        try {
            mail.send();//发送
        } catch (Exception e) {
            System.out.println("error report failure.\n"+e);
        }
    }