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  • 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{ 880px;margin:0 auto;background: #e7f5ff;height:800px;padding-top: 80px;margin-top: 20px;}.container-con{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; 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

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  • 原文地址:https://www.cnblogs.com/onlymate/p/9010160.html
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