Java Mail 例子

网上很多，不过一般都是没有smtp验证的，下边是一段示例代码：
不能直接运行的，不过，可以看看里面关于验证的部分。

//发送邮件函数
public boolean sendMail(String mailTo,String mailSubject,String mailBody){
//发送email
try {
//default account information
String smtpServer = "smtp.smtpserver.com";
String smtpAuth = "true";
String smtpUser = "username";
String smtpPassword = "password";
String From = "from@yourserver.com";
String To = mailTo;
String Subject = mailSubject;
String Text = mailBody;
Java.util.ResourceBundle resBundle;
resBundle = java.util.ResourceBundle.getBundle("mailinfo",
Locale.SIMPLIFIED_CHINESE);
if (resBundle != null) {
smtpServer = resBundle.getString("mail.smtp.host");
smtpAuth = resBundle.getString("mail.smtp.auth");
smtpUser = resBundle.getString("mail.smtp.user");
smtpPassword = resBundle.getString("mail.smtp.password");
From = resBundle.getString("mail.smtp.from");
}
Properties props = new Properties();
Session sendMailSession;
Transport transport;
props.put("mail.smtp.host", smtpServer);
props.put("mail.smtp.auth", smtpAuth);
if ("true".equals(smtpAuth)) {
//smtp服务器需要验证，用MyAuthertiactor来创建mail session
MyAuthenticator myauth = new MyAuthenticator(smtpUser, smtpPassword);
sendMailSession = Session.getInstance(props, myauth);
}
else {
sendMailSession = Session.getInstance(props);
}
//Debug
sendMailSession.setDebug(true);
Message newMessage = new MimeMessage(sendMailSession);
newMessage.setFrom(new InternetAddress(From));
newMessage.setRecipient(Message.RecipientType.TO,
new InternetAddress(mailTo));
newMessage.setSubject(Subject);
newMessage.setSentDate(new Date());
newMessage.setText(Text);
newMessage.saveChanges();
transport = sendMailSession.getTransport("smtp");
transport.send(newMessage, newMessage.getAllRecipients());
transport.close();
}
catch (Exception mailEx) {
System.err.println("Send Mail Error:" mailEx.getMessage());
return false;
}
return true;
}

//smtp需要验证时候的验证类
class MyAuthenticator
extends javax.mail.Authenticator {
private String strUser;
private String strPwd;
public MyAuthenticator(String user, String password) {
this.strUser = user;
this.strPwd = password;
}

protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(strUser, strPwd);
}
}

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