java发邮件_怎样用java发送邮件
首先下载 JavaMail jar 包，并导入到项目中。下载地址
编写代码，代码如下：
import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
public class App45 {
public static void main(String[] args) throws AddressException, MessagingException {
Properties properties = System.getProperties();
properties.setProperty("mail.smtp.host", "邮件发送服务器");
properties.setProperty("mail.smtp.auth", "true");
Session session = Session.getDefaultInstance(properties, new Authenticator() {
@Override
protected PasswordAuthentication getPasswordAuthentication() {
// 设置发件人邮件帐号和密码
return new PasswordAuthentication("邮件帐号", "密码");
}
});
MimeMessage message = new MimeMessage(session);
// 设置发件人邮件地址
message.setFrom(new InternetAddress("发件人邮件地址"));
// 设置收件人邮件地址
message.addRecipient(Message.RecipientType.TO, new InternetAddress("收件人邮件地址"));
message.setSubject("这里是邮件主题。");
message.setText("这里是邮件内容。");
Transport.send(message);
}
}
首先下载 JavaMail jar 包，并导入到项目中。下载地址 编写代码，代码如下： import javax.mail.Authenticator; import javax.mail.Message; import javax.mail.MessagingException; import javax.mail.PasswordAuthentication; import javax.mail.Session; import javax.mail.Transport; import javax.mail.internet.AddressException; import javax.mail.internet.InternetAddress; import javax.mail.internet.MimeMessage; public class App45 { public static void main(String[] args) throws AddressException, MessagingException { Properties properties = System.getProperties(); properties.setProperty("mail.smtp.host", "邮件发送服务器"); properties.setProperty("mail.smtp.auth", "true"); Session session = Session.getDefaultInstance(properties, new Authenticator() { @Override protected PasswordAuthentication getPasswordAuthentication() { // 设置发件人邮件帐号和密码 return new PasswordAuthentication("邮件帐号", "密码"); } }); MimeMessage message = new MimeMessage(session); // 设置发件人邮件地址 message.setFrom(new InternetAddress("发件人邮件地址")); // 设置收件人邮件地址 message.addRecipient(Message.RecipientType.TO, new InternetAddress("收件人邮件地址")); message.setSubject("这里是邮件主题。"); message.setText("这里是邮件内容。"); Transport.send(message); } }