public static boolean sendEmail(String from, String to, String userName, String password, String fileName, ByteArrayOutputStream baos, String subject,String content) { // 获取系统属性 Properties properties = System.getProperties(); // 设置邮件服务器 ->QQ 邮件服务器 properties.setProperty("mail.smtp.host", "smtp.exmail.qq.com"); properties.put("mail.smtp.auth", "true"); // 获取默认session对象 Session session = Session.getDefaultInstance(properties, new Authenticator() { @Override public PasswordAuthentication getPasswordAuthentication() { return new PasswordAuthentication(userName, password); //发件人邮件用户名、授权码 } }); try { // 创建默认的 MimeMessage 对象 MimeMessage message = new MimeMessage(session); // Set From: 头部头字段 message.setFrom(new InternetAddress(from)); // Set To: 头部头字段 Address[] internetAddressTo = new InternetAddress().parse(to); message.setRecipients(MimeMessage.RecipientType.TO, internetAddressTo); // Set Subject: 头部头字段 message.setSubject(subject); /*添加附件*/ Multipart multipart = new MimeMultipart(); if (baos != null) { MimeBodyPart fileBody = new MimeBodyPart(); DataSource source = new ByteArrayDataSource(baos.toByteArray(), "application/msexcel"); fileBody.setDataHandler(new DataHandler(source)); // 中文乱码问题 fileBody.setFileName(fileName + ".xlsx"); multipart.addBodyPart(fileBody); } //设置正文 MimeBodyPart text = new MimeBodyPart(); text.setContent(content,"text/html;charset=utf-8"); multipart.addBodyPart(text); message.setContent(multipart); // 发送消息 Transport.send(message); return true; } catch (Exception e) { logger.error("邮件发送异常2: ",e); } return false; }
1,发送邮件的时候是有默认端口号的,端口号为:25,但是不管是阿里还是腾讯云都是对这个端口号做了封禁,是不可使用的,所以我们需要修改端口号,使用465作为发送端口,修改后如下
/** * @param from 发件人电子邮箱 * @param to 收件人邮箱 * @param userName 发件人邮件用户名 * @param password 授权码 * @param fileName 文件名称 * @param baos * @return */ public static boolean sendEmail(String from, String to, String userName, String password, String fileName, ByteArrayOutputStream baos, String subject,String content) { // 获取系统属性 Properties properties = System.getProperties(); // 设置邮件服务器 ->QQ 邮件服务器 properties.setProperty("mail.smtp.host", "smtp.exmail.qq.com"); properties.put("mail.smtp.auth", "true"); properties.put("mail.smtp.port", "465"); properties.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory"); // 获取默认session对象 Session session = Session.getDefaultInstance(properties, new Authenticator() { @Override public PasswordAuthentication getPasswordAuthentication() { return new PasswordAuthentication(userName, password); //发件人邮件用户名、授权码 } }); try { // 创建默认的 MimeMessage 对象 MimeMessage message = new MimeMessage(session); // Set From: 头部头字段 message.setFrom(new InternetAddress(from)); // Set To: 头部头字段 Address[] internetAddressTo = new InternetAddress().parse(to); message.setRecipients(MimeMessage.RecipientType.TO, internetAddressTo); // Set Subject: 头部头字段 message.setSubject(subject); /*添加附件*/ Multipart multipart = new MimeMultipart(); if (baos != null) { MimeBodyPart fileBody = new MimeBodyPart(); DataSource source = new ByteArrayDataSource(baos.toByteArray(), "application/msexcel"); fileBody.setDataHandler(new DataHandler(source)); // 中文乱码问题 fileBody.setFileName(fileName + ".xlsx"); multipart.addBodyPart(fileBody); } //设置正文 MimeBodyPart text = new MimeBodyPart(); text.setContent(content,"text/html;charset=utf-8"); multipart.addBodyPart(text); message.setContent(multipart); // 发送消息 Transport.send(message); return true; } catch (Exception e) { logger.error("邮件发送异常2: ",e); } return false; }