Java Mail 发送邮件

引入mail.jar和activation.jar，可根据在oracle javamail相关页面下载。

不多说直接看代码，调试即可完成。根据不同的邮箱需要，修改代码中的smtp和邮箱及密码。

package com.michael.test; import java.util.Date; import java.util.Properties; import javax.mail.Address; import javax.mail.Authenticator; import javax.mail.Message; import javax.mail.PasswordAuthentication; import javax.mail.Session; import javax.mail.Transport; import javax.mail.internet.InternetAddress; import javax.mail.internet.MimeMessage; /** * 发送普通邮件，接受普通邮件 发送带有附件的邮件，接收带有附件的邮件 发送html形式的邮件，接受html形式的邮件 发送带有图片的邮件等做了一个总结。 */ public class Test { // 邮箱服务器 private String host = "smtp.live.com"; // 这个是你的邮箱用户名 private String username = "******"; // 你的邮箱密码 private String password = "******"; private String mail_head_name = "this is head of this mail"; private String mail_head_value = "this is head of this mail"; private String mail_to = "toaddress@qq.com"; private String mail_from = "fromaddress@hotmail.com"; private String mail_subject = "this is the subject of this test mail"; private String mail_body = "this is the mail_body of this test mail"; private String personalName = "Michael Feng"; public Test() { } /** * 此段代码用来发送普通电子邮件 */ public void send() throws Exception { try { Properties props = new Properties(); // 获取系统环境 Authenticator auth = new Email_Autherticator(); // 进行邮件服务器用户认证 props.put("mail.smtp.starttls.enable","true"); props.put("mail.smtp.host", host); props.put("mail.smtp.auth", "true"); Session session = Session.getDefaultInstance(props, auth); // 设置session,和邮件服务器进行通讯。 MimeMessage message = new MimeMessage(session); // message.setContent("foobar, "application/x-foobar"); // 设置邮件格式 message.setSubject(mail_subject); // 设置邮件主题 message.setText(mail_body); // 设置邮件正文 message.setHeader(mail_head_name, mail_head_value); // 设置邮件标题 message.setSentDate(new Date()); // 设置邮件发送日期 Address address = new InternetAddress(mail_from, personalName); message.setFrom(address); // 设置邮件发送者的地址 Address toAddress = new InternetAddress(mail_to); // 设置邮件接收方的地址 message.addRecipient(Message.RecipientType.TO, toAddress); Transport.send(message); // 发送邮件 System.out.println("send ok!"); } catch (Exception ex) { ex.printStackTrace(); // throw new Exception(ex.getMessage()); } } /** * 用来进行服务器对用户的认证 */ public class Email_Autherticator extends Authenticator { public Email_Autherticator() { super(); } public Email_Autherticator(String user, String pwd) { super(); username = user; password = pwd; } public PasswordAuthentication getPasswordAuthentication() { return new PasswordAuthentication(username, password); } } public static void main(String[] args) { Test sendmail = new Test(); try { sendmail.send(); } catch (Exception x) { x.printStackTrace(); } } }