Java后端发送email实现

依赖的jar包

<dependency>
    <groupId>com.sun.mail</groupId>
    <artifactId>javax.mail</artifactId>
    <version>1.5.6</version>
</dependency>

 

邮件参数实体

import java.util.List;
import java.util.Properties;

import com.sun.mail.util.MailSSLSocketFactory;

/**
 * 邮件发送配置参数信息
 * @ClassName: MailSenderInfo 
 * @Description: TODO
 * @author OnlyMate
 * @Date 2018年5月8日 下午6:27:35  
 *
 */
public class MailSenderInfo {
    // 发送邮件的服务器的IP
    private String mailServerHost;
    //发送邮件的服务器端口，该处暂时默认25
    private String mailServerPort = "25";
    // 邮件发送者的地址
    private String fromAddress;
    // 邮件接收者的地址
    private String toAddress;
    //邮件接收者的地址集合
    private String[] toBatchAddress;
    // 登陆邮件发送服务器的用户名
    private String userName;
    //登陆邮件发送服务器的密码
    private String password;
    // 是否需要身份验证 [默认false不认证]
    private boolean validate = false;
    // 邮件主题
    private String subject;
    // 邮件主题
    private String[] subjects;
    // 邮件的文本内容
    private String content;
    // 邮件的文本内容
    private String[] contents;
    // 邮件附件的文件名
    private String[] attachFileNames;
    // 邮件附件的文件名 针对一邮件带多个附件关系
    private List<String[]> attachFileList;

    /**
     * 获得邮件会话属性
     */
    public Properties getProperties() {
        Properties p = new Properties();
        try {
            p.put("mail.smtp.host", this.mailServerHost);
            p.put("mail.smtp.port", this.mailServerPort);
            p.put("mail.smtp.auth", validate ? "true" : "false");
            p.setProperty("mail.transport.protocol", "smtp");
            if("smtp.qq.com".equals(this.mailServerHost)) {
                MailSSLSocketFactory sf = new MailSSLSocketFactory();
                sf.setTrustAllHosts(true);
                p.put("mail.smtp.ssl.enable", "true");
                p.put("mail.smtp.ssl.socketFactory", sf);
            }
        }catch (Exception e) {
            e.printStackTrace();
        }
        return p;
    }
    /**
     * 发送邮件的服务器的IP  如：smtp.163.com
     */
    public String getMailServerHost() {
        return mailServerHost;
    }
    /**
     * 发送邮件的服务器的IP  如：smtp.163.com
     */
    public void setMailServerHost(String mailServerHost) {
        this.mailServerHost = mailServerHost;
    }
    /**
     * 发送邮件的服务器端口，如：网易邮箱默认25
     */
    public String getMailServerPort() {
        return mailServerPort;
    }
    /**
     * 发送邮件的服务器端口，如：网易邮箱默认25
     */
    public void setMailServerPort(String mailServerPort) {
        this.mailServerPort = mailServerPort;
    }
    /**
     * 是否需要身份验证 [默认false不认证]
     */
    public boolean isValidate() {
        return validate;
    }
    /**
     * 是否需要身份验证 [默认false不认证]
     */
    public void setValidate(boolean validate) {
        this.validate = validate;
    }
    /**
     * 邮件附件的文件名
     */
    public String[] getAttachFileNames() {
        return attachFileNames;
    }
    /**
     * 邮件附件的文件名
     */
    public void setAttachFileNames(String[] fileNames) {
        this.attachFileNames = fileNames;
    }
    /**
     * 邮件发送者的邮箱地址
     */
    public String getFromAddress() {
        return fromAddress;
    }
    /**
     * 邮件发送者的邮箱地址
     */
    public void setFromAddress(String fromAddress) {
        this.fromAddress = fromAddress;
    }
    /**
     * 邮件发送者的邮箱密码
     */
    public String getPassword() {
        return password;
    }
    /**
     * 邮件发送者的邮箱密码
     */
    public void setPassword(String password) {
        this.password = password;
    }
    /**
     * 邮件接收者的地址
     */
    public String getToAddress() {
        return toAddress;
    }
    /**
     * 邮件接收者的地址
     */
    public void setToAddress(String toAddress) {
        this.toAddress = toAddress;
    }
    /**
     * 邮件接收者的地址集合
     * @return
     */
    public String[] getToBatchAddress() {
        return toBatchAddress;
    }
    /**
     * 邮件接收者的地址集合
     * @param toBatchAddress
     */
    public void setToBatchAddress(String[] toBatchAddress) {
        this.toBatchAddress = toBatchAddress;
    }
    /**
     * 登陆邮件发送服务器的用户名
     */
    public String getUserName() {
        return userName;
    }
    /**
     * 登陆邮件发送服务器的用户名
     */
    public void setUserName(String userName) {
        this.userName = userName;
    }
    /**
     * 邮件主题
     */
    public String getSubject() {
        return subject;
    }
    /**
     * 邮件主题
     */
    public void setSubject(String subject) {
        this.subject = subject;
    }
    /**
     * 邮件主题
     */
    public String[] getSubjects() {
        return subjects;
    }
    /**
     * 邮件主题
     */
    public void setSubjects(String[] subjects) {
        this.subjects = subjects;
    }
    /**
     * 邮件的文本内容
     */
    public String getContent() {
        return content;
    }
    /**
     * 邮件的文本内容
     */
    public void setContent(String textContent) {
        this.content = textContent;
    }
    /**
     * 邮件的文本内容
     */
    public String[] getContents() {
        return contents;
    }
    /**
     * 邮件的文本内容
     */
    public void setContents(String[] contents) {
        this.contents = contents;
    }
    /**
     * 针对一邮件多附件
     */
    public List<String[]> getAttachFileList() {
        return attachFileList;
    }
    /**
     * 针对一邮件多附件
     */
    public void setAttachFileList(List<String[]> attachFileList) {
        this.attachFileList = attachFileList;
    }
    
    
}

邮件身份认证

 

import javax.mail.Authenticator;
import javax.mail.PasswordAuthentication;

/**
 * 邮箱参数
 * @ClassName: MailAuthenticator 
 * @Description: TODO
 * @author OnlyMate
 * @Date 2018年5月8日 下午6:22:59  
 *
 */
public class MailAuthenticator extends Authenticator{   
    String userName=null;   
    String password=null;   
        
    public MailAuthenticator(){   
    }   
    public MailAuthenticator(String username, String password) {    
        this.userName = username;    
        this.password = password;    
    }    
    protected PasswordAuthentication getPasswordAuthentication(){   
        return new PasswordAuthentication(userName, password);   
    }   
}   

 

邮件发送器

import java.io.UnsupportedEncodingException;
import java.util.Date;
import java.util.Properties;

import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Address;
import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.NoSuchProviderException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import javax.mail.internet.MimeUtility;

/**
 * 邮件发送器
 * @ClassName: SimpleMailSender 
 * @Description: TODO
 * @author OnlyMate
 * @Date 2018年5月8日 下午6:23:20  
 *
 */
public class SimpleMailSender {

    /**
     * 以文本格式发送邮件
     * 
     * @param mailInfo
     *            待发送的邮件的信息
     */
    public boolean sendTextMail(MailSenderInfo mailInfo) {
        // 判断是否需要身份认证
        MailAuthenticator authenticator = null;
        Properties pro = mailInfo.getProperties();
        if (mailInfo.isValidate()) {
            // 如果需要身份认证，则创建一个密码验证器
            authenticator = new MailAuthenticator(mailInfo.getUserName(),
                    mailInfo.getPassword());
        }
        // 根据邮件会话属性和密码验证器构造一个发送邮件的session
        Session sendMailSession = Session
                .getDefaultInstance(pro, authenticator);
        try {
            // 根据session创建一个邮件消息
            Message mailMessage = new MimeMessage(sendMailSession);
            // 创建邮件发送者地址
            Address from = new InternetAddress(mailInfo.getFromAddress());
            // 设置邮件消息的发送者
            mailMessage.setFrom(from);
            // 创建邮件的接收者地址，并设置到邮件消息中
            if (mailInfo.getToAddress() != null
                    && mailInfo.getToAddress().length() > 0) {
                Address to = new InternetAddress(mailInfo.getToAddress());
                // Message.RecipientType.TO属性表示接收者的类型为TO
                mailMessage.setRecipient(Message.RecipientType.TO, to);
            } else if (mailInfo.getToBatchAddress() != null
                    && mailInfo.getToBatchAddress().length > 0) {
                final int size = mailInfo.getToBatchAddress().length;
                Address[] to = new Address[size];
                for (int i = 0; i < size; i++) {
                    to[i] = new InternetAddress(mailInfo.getToBatchAddress()[i]);
                }
                // Message.RecipientType.TO属性表示接收者的类型为TO
                mailMessage.setRecipients(Message.RecipientType.TO, to);
            }
            // 设置邮件消息的主题
            mailMessage.setSubject(mailInfo.getSubject());
            // 设置邮件消息发送的时间
            mailMessage.setSentDate(new Date());
            // 设置邮件消息的主要内容
            String mailContent = mailInfo.getContent();
            mailMessage.setText(mailContent);
            // 发送邮件
            Transport.send(mailMessage);
            return true;
        } catch (MessagingException ex) {
            ex.printStackTrace();
        }
        return false;
    }

    /**
     * 以HTML格式发送邮件
     * 
     * @param mailInfo
     *            待发送的邮件信息
     */
    public boolean sendHtmlMail(MailSenderInfo mailInfo) {
        // 判断是否需要身份认证
        MailAuthenticator authenticator = null;
        Properties pro = mailInfo.getProperties();
        // 如果需要身份认证，则创建一个密码验证器
        if (mailInfo.isValidate()) {
            authenticator = new MailAuthenticator(mailInfo.getUserName(),
                    mailInfo.getPassword());
        }
        // 根据邮件会话属性和密码验证器构造一个发送邮件的session
        Session sendMailSession = Session
                .getDefaultInstance(pro, authenticator);
        try {
            sendMailSession.setDebug(true);
            // 根据session创建一个邮件消息
            Message mailMessage = new MimeMessage(sendMailSession);
            // 创建邮件发送者地址
            Address from = new InternetAddress(mailInfo.getFromAddress());
            // 设置邮件消息的发送者
            mailMessage.setFrom(from);
            // 创建邮件的接收者地址，并设置到邮件消息中
            if (mailInfo.getToAddress() != null
                    && mailInfo.getToAddress().length() > 0) {
                Address to = new InternetAddress(mailInfo.getToAddress());
                // Message.RecipientType.TO属性表示接收者的类型为TO
                mailMessage.setRecipient(Message.RecipientType.TO, to);
            } else if (mailInfo.getToBatchAddress() != null
                    && mailInfo.getToBatchAddress().length > 0) {
                final int size = mailInfo.getToBatchAddress().length;
                Address[] to = new Address[size];
                for (int i = 0; i < size; i++) {
                    to[i] = new InternetAddress(mailInfo.getToBatchAddress()[i]);
                }
                // Message.RecipientType.TO属性表示接收者的类型为TO
                mailMessage.setRecipients(Message.RecipientType.TO, to);
            }
            // 设置邮件消息的主题
            mailMessage.setSubject(mailInfo.getSubject());
            mailMessage.setSubject(MimeUtility.encodeText(mailInfo.getSubject(), "UTF-8", "B"));
            // 设置邮件消息发送的时间
            mailMessage.setSentDate(new Date());
            // MiniMultipart类是一个容器类，包含MimeBodyPart类型的对象
            Multipart mainPart = new MimeMultipart();
            
            //-------------------------------beigin 文本---------------------//            
            // 创建一个包含HTML内容的MimeBodyPart
            BodyPart html = new MimeBodyPart();
            // 设置HTML内容
            html.setContent(mailInfo.getContent(), "text/html; charset=utf-8");
            mainPart.addBodyPart(html);
            //----------------------------------end 文本---------------------//
            
            
            //-------------------------------beigin 附件---------------------//
            if(mailInfo.getAttachFileList() != null && mailInfo.getAttachFileList().size() > 0){
                for (String[] files : mailInfo.getAttachFileList()) {
                    for (String file : files) {
                        //邮件的附件
                        String fileName = file;
                        if(fileName != null&&!fileName.trim().equals("")) {
                            MimeBodyPart mbp = new MimeBodyPart();                    
                            FileDataSource fileSource = new FileDataSource(fileName);
                            mbp.setDataHandler(new DataHandler(fileSource));
                            try {
                                mbp.setFileName(MimeUtility.encodeText(fileSource.getName()));
                            } catch (UnsupportedEncodingException e) {
                                e.printStackTrace();
                            }
                            mainPart.addBodyPart(mbp);
                        }
                    }
                }
            } else {
                if(mailInfo.getAttachFileNames() != null && mailInfo.getAttachFileNames().length > 0){
                    //邮件的附件
                    String fileName = mailInfo.getAttachFileNames()[0];
                    if(fileName != null&&!fileName.trim().equals("")) {
                        MimeBodyPart mbp = new MimeBodyPart();                    
                        FileDataSource fileSource = new FileDataSource(fileName);
                        mbp.setDataHandler(new DataHandler(fileSource));
                        try {
                            mbp.setFileName(MimeUtility.encodeText(fileSource.getName()));
                        } catch (UnsupportedEncodingException e) {
                            e.printStackTrace();
                        }
                        mainPart.addBodyPart(mbp);
                    }
                }
            }
            
            //----------------------------------end 附件---------------------//
            
            
            // 将MiniMultipart对象设置为邮件内容
            mailMessage.setContent(mainPart);
            // 发送邮件
            Transport.send(mailMessage);
            System.out.println("发送成功！");
            return true;
        } catch (MessagingException ex) {
            ex.printStackTrace();
        } catch (UnsupportedEncodingException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }
        return false;
    }

    /**
     * 以HTML格式发送多封邮件
     * 
     * @param mailInfo
     *            待发送的邮件信息
     */
    public boolean sendBatchHtmlMail(MailSenderInfo mailInfo)  {
        // 判断是否需要身份认证
        MailAuthenticator authenticator = null;
        Properties pro = mailInfo.getProperties();
        pro.setProperty("mail.transport.protocol", "smtp");
        // 如果需要身份认证，则创建一个密码验证器
        if (mailInfo.isValidate()) {
            authenticator = new MailAuthenticator(mailInfo.getUserName(),
                    mailInfo.getPassword());
        }
        // 根据邮件会话属性和密码验证器构造一个发送邮件的session
        Session sendMailSession = Session.getInstance(pro, authenticator);        
        try {            
            // 发送邮件
            sendMailSession.setDebug(true);
            Transport transport = sendMailSession.getTransport();
            transport.connect(mailInfo.getMailServerHost(),Integer.parseInt(mailInfo.getMailServerPort()),
                    mailInfo.getUserName(), mailInfo.getPassword());
            // 创建邮件的接收者地址，并设置到邮件消息中
            if (mailInfo.getToBatchAddress() != null
                    && mailInfo.getToBatchAddress().length > 0) {                    
                final int size = mailInfo.getToBatchAddress().length;                    
                for (int i = 0; i < size; i++) {
                    // 根据session创建一个邮件消息
                    Message mailMessage = new MimeMessage(sendMailSession);
                    // 创建邮件发送者地址
                    Address from = new InternetAddress(mailInfo.getFromAddress());
                    // 设置邮件消息的发送者
                    mailMessage.setFrom(from);
                    
                    
                    // 设置邮件消息的主题
                    mailMessage.setSubject(mailInfo.getSubjects()[i]);
                    mailMessage.setSubject(MimeUtility.encodeText(mailInfo.getSubjects()[i], "UTF-8", "B"));
                    // 设置邮件消息发送的时间
                    mailMessage.setSentDate(new Date());
                    // MiniMultipart类是一个容器类，包含MimeBodyPart类型的对象
                    Multipart mainPart = new MimeMultipart();
                    
                    //-------------------------------beigin 文本---------------------//
                    // 创建一个包含HTML内容的MimeBodyPart
                    BodyPart html = new MimeBodyPart();
                    // 设置HTML内容
                    html.setContent(mailInfo.getContents()[i], "text/html; charset=utf-8");
                    mainPart.addBodyPart(html);
                    //----------------------------------end 文本---------------------//
                    
                    //-------------------------------beigin 附件---------------------//
                    if(mailInfo.getAttachFileList() != null && mailInfo.getAttachFileList().size() > 0){
                        String[] files = mailInfo.getAttachFileList().get(i);
                        for (String file : files) {
                            //邮件的附件
                            String fileName = file;
                            if(fileName != null&&!fileName.trim().equals("")) {
                                MimeBodyPart mbp = new MimeBodyPart();                    
                                FileDataSource fileSource = new FileDataSource(fileName);
                                mbp.setDataHandler(new DataHandler(fileSource));
                                try {
                                    mbp.setFileName(MimeUtility.encodeText(fileSource.getName()));
                                    //System.out.println("ceshi2: " + MimeUtility.encodeText(fileSource.getName(),"utf-8",null));
                                } catch (UnsupportedEncodingException e) {
                                    e.printStackTrace();
                                }
                                mainPart.addBodyPart(mbp);
                            }
                        }                        
                    } else {
                        if(mailInfo.getAttachFileNames() != null && mailInfo.getAttachFileNames().length > 0){
                            //邮件的附件
                            String fileName = mailInfo.getAttachFileNames()[i];
                            if(fileName != null&&!fileName.trim().equals("")) {
                                MimeBodyPart mbp = new MimeBodyPart();                            
                                FileDataSource fileSource = new FileDataSource(fileName);
                                mbp.setDataHandler(new DataHandler(fileSource));
                                try {
                                    mbp.setFileName(MimeUtility.encodeText(fileSource.getName()));
                                    //System.out.println("ceshi: " + MimeUtility.encodeText(fileSource.getName(),"utf-8",null));
                                } catch (UnsupportedEncodingException e) {
                                    e.printStackTrace();
                                }
                                mainPart.addBodyPart(mbp);
                            }
                        }
                    }
                    //----------------------------------end 附件---------------------//
                    
                    
                    // 将MiniMultipart对象设置为邮件内容
                    mailMessage.setContent(mainPart);
                    
                    Address[] to = new Address[]{new InternetAddress(mailInfo.getToBatchAddress()[i])};
                    mailMessage.setRecipient(Message.RecipientType.TO, to[0]);
                    transport.sendMessage(mailMessage, to);
                }                    
            }
            transport.close();
            System.out.println("发送成功！");
            return true;
        } catch (AddressException e) {
            e.printStackTrace();
        } catch (NoSuchProviderException e) {
            e.printStackTrace();
        } catch (MessagingException e) {
            e.printStackTrace();
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        
        return false;
    }
}

 

测试

import java.util.Date;
import java.util.Properties;

import javax.mail.Address;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

import com.only.mate.email.MailAuthenticator;
import com.only.mate.email.MailSenderInfo;
import com.only.mate.email.SimpleMailSender;
import com.sun.mail.util.MailSSLSocketFactory;

public class EmailTest {
    private MailSenderInfo mailSenderInfo;
    
    public static void main(String[] args) throws Exception {
        EmailTest test = new EmailTest();
//        test.sendTextEmail1();
//        test.sendTextEmail();
        test.sendHtmlEmail();
    }
    
    {
        mailSenderInfo = new MailSenderInfo();
        mailSenderInfo.setMailServerHost("smtp.qq.com");
        mailSenderInfo.setMailServerPort("465");
        mailSenderInfo.setUserName("*********@qq.com");
        mailSenderInfo.setPassword("***********");
        mailSenderInfo.setFromAddress("********@qq.com");
        mailSenderInfo.setToAddress("********@qq.com");
        
        mailSenderInfo.setValidate(true);
        
        mailSenderInfo.setSubject("主题-你猜猜？");
        Date date = new Date();
        String content = String.format(
                "<!DOCTYPE html>"+
                "<html lang=\"en\">"+
                "<head>"+
                "<meta charset=\"UTF-8\" />"+
                "<title></title>"+
                "</head>"+
                "<style type=\"text/css\">heml,body{margin: 0;padding: 0;font-size: 14px;}.container{width: 880px;margin:0 auto;background: #e7f5ff;height:800px;padding-top: 80px;margin-top: 20px;}.container-con{width:680px;margin:0 auto;background:#fff;height:600px;padding:20px;}.eamil-top{font-size: 14px;}.eamil-top>span{color:#000;font-weight: bold;}.eamil-top2{font-size: 14px;padding-left: 16px;margin-bottom: 30px;}.eamil-con{padding:20px;}.eamil-con>p{line-height: 20px;}.top-img{background:url(\"images/tt0_03.png\") no-repeat;background-size: cover; width:722px;height:100px;margin:0 auto;}.fpptwe{line-height: 30px;}.footer{float: right;}.jingao{font-size: 12px;color:#888}</style>"+
                "<body>"+
                    "<div class=\"container\">"+
                        "<div class=\"top-img\"></div>"+
                        "<div class=\"container-con\">"+
                            "<p class=\"eamil-top\">"+
                                "尊敬的XX女士"+
                            "</p>"+
                            "<p class=\"eamil-top2\">您好！</p>"+
                            "<div class=\"eamil-con\">"+
                                "<p>您所提交“XXX”的申请，已通过。</p>"+
                                "<p>"+
                                    "请及时前往去享受！<span>%s</span>"+
                                "</p>"+
                                "<img src='http://img.mp.itc.cn/upload/20160326/73a64c935e7d4c9594bdf86d76399226_th.jpg' />"+
                            "</div>"+
                            "<p class=\"jingao\">（这是一封系统自动发送的邮件，请不要直接回复。）</p>"+
                            "<div class=\"footer\">"+
                                "<p>爱的港湾</p>"+
                                "<span>%tF %tT</span>"+
                            "</div>"+
                            "</p>"+
                        "</div>"+
                    "</div>"+
                "</body>"+
                "</html>", "❤☻☻☻☻❤", date, date);
        mailSenderInfo.setContent(content);
//        mailSenderInfo.setContent("其实只是好玩而已");
        
        mailSenderInfo.setAttachFileNames(new String[] {"C:/Users/OnlyMate/Pictures/MyPhoneTheme.jpg"});
    }
    public void sendTextEmail() throws Exception {
        SimpleMailSender sender = new SimpleMailSender();
        sender.sendTextMail(mailSenderInfo);
    }
    public void sendHtmlEmail() throws Exception {
        SimpleMailSender sender = new SimpleMailSender();
        sender.sendHtmlMail(mailSenderInfo);
    }
    public void sendTextEmail1() throws Exception {
        Properties props = new Properties();

        // 开启debug调试
        props.setProperty("mail.debug", "false");
        // 发送服务器需要身份验证
        props.setProperty("mail.smtp.auth", "true");
        // 使用 STARTTLS安全连接
        props.put("mail.smtp.starttls.enable", "true");
        // 设置邮件服务器主机名
        props.setProperty("mail.smtp.host", mailSenderInfo.getMailServerHost());
        // 设置邮件服务器端口
        props.put("mail.smtp.port", mailSenderInfo.getMailServerPort());
        // 发送邮件协议名称
        props.setProperty("mail.transport.protocol", "smtp");

        MailSSLSocketFactory sf = new MailSSLSocketFactory();
        sf.setTrustAllHosts(true);
        props.put("mail.smtp.ssl.enable", "true");
        props.put("mail.smtp.ssl.socketFactory", sf);

        // 如果需要身份认证，则创建一个密码验证器
        MailAuthenticator authenticator = new MailAuthenticator(mailSenderInfo.getUserName(),
                mailSenderInfo.getPassword());
        // 根据邮件会话属性和密码验证器构造一个发送邮件的session
        Session session = Session.getDefaultInstance(props, authenticator);

        Message msg = new MimeMessage(session);
        msg.setSubject("主题-你猜猜？");
        StringBuilder builder = new StringBuilder();
        builder.append("测试邮件： 我用Java代码给你发送了一份邮件！我的❤你收到了吗？");
        msg.setText(builder.toString());
        msg.setFrom(new InternetAddress(mailSenderInfo.getUserName()));
        Address to = new InternetAddress(mailSenderInfo.getToAddress());
        // Message.RecipientType.TO属性表示接收者的类型为TO
        msg.setRecipient(Message.RecipientType.TO, to);
        
        Transport.send(msg);
        /*Transport transport = session.getTransport("smtp");
        transport.connect(mailSenderInfo.getMailServerHost(),mailSenderInfo.getUserName(), "irfydcgrkxembbii");

        transport.sendMessage(msg, new Address[] { new InternetAddress("*****@qq.com") });
        transport.close();*/
    }
}

 

说明：QQ普通用户只用使用：

　　mail.smtp.host = "smtp.qq.com";
　　mail.smtp.port = "465";

　　要开启SSL

 

　　QQ企业用户只能使用：

　　mail.smtp.host = "smtp.exmail.qq.com";
　　mail.smtp.port = "25";

　　不开启SSL