java实现发送邮件

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项目准备：javax.mail-1.5.4.jar
一个邮箱此处以@163邮箱为例子
（设置如图1.2）
图1.2
代码如下：
public static void sendMail(MailMsgBean mail, String project_name, YN_FLAG flag) {

    logger.info("邮件发送-------->>to:[{}]“,mail.getTarget_mail()）；    //发送人    final String from = mail.getHost_mail().trim()；    //发送协议类型：此处用的是smtf    String host = mail.getHost_type().trim();    //授权密码    final String pwd = mail.getHost_pwd().trim();    //邮件内容    String msg = mail.getContent_mail();    //收件人    String to = mail.getTarget_mail();     //激活协议    Properties properties = System.getProperties();    properties.setProperty("mail.smtp.host", host);    properties.setProperty("mail.smtp.auth", "true");    try {        // QQ邮箱特殊处理        MailSSLSocketFactory sf = new MailSSLSocketFactory();        sf.setTrustAllHosts(true);        properties.put("mail.smtp.ssl.enable", "true");        properties.put("mail.smtp.ssl.socketFactory", sf);        Session session = Session.getInstance(properties, new Authenticator() {            public PasswordAuthentication getPasswordAuthentication() {                return new PasswordAuthentication(from, pwd);            }        });        Message message = new MimeMessage(session);        message.setFrom(new InternetAddress(from));        message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));        message.setSubject("邮件主题");        //String body = new String(content.getBytes("iso-8859-1"),"utf-8");        String msg = "<html><head></head><body>" +content+"</body></html>"        //此处以发送html形式为例（可以以纯文本发送）        message.setContent(msg, "text/html;charset=gb2312");        //发送        if(!Assert.isEmpty(to)){            Transport.send(message);        }        logger.info("邮件发送完成！");    } catch (Exception e) {        e.printStackTrace();        logger.info("邮件发送error!");    }}

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