Java实现邮箱发送功能实例(阿里云邮箱推送)

时间:2022-09-03 00:18:39

前言

绑定阿里云域名,创建域名账户,并配置解析域名账户,获得发送邮箱的权限,上限两百封,超出要¥…

阿里云邮件推送控制台

https://www.aliyun.com/product/directmail

申请邮箱并解析域名

https://yq.aliyun.com/articles/707997

1. 邮箱信息实体类

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package cn.bitqian.mail.test;
 
/**
 * 邮件内容实体类
 * @author echo lovely
 * @date 2020/9/18 15:47
 */
public class MailInfo {
 
  // 发件人账户
  private String sendEmailAccount;
 
  // 发件人密码
  private String sendEmailPassword;
 
  // 收件人账户
  private String receiveMailAccount;
 
  // 发送人姓名
  private String sendPersonName;
 
  // 收件人姓名
  private String receivePersonName;
 
  // 邮件标题
  private String mailTitle;
 
  // 邮件正文
  private String mailContent;
 
  public MailInfo(String sendEmailAccount, String sendEmailPassword, String receiveMailAccount,
          String sendPersonName, String receivePersonName,
          String mailTitle, String mailContent) {
    this.sendEmailAccount = sendEmailAccount;
    this.sendEmailPassword = sendEmailPassword;
    this.receiveMailAccount = receiveMailAccount;
    this.sendPersonName = sendPersonName;
    this.receivePersonName = receivePersonName;
    this.mailTitle = mailTitle;
    this.mailContent = mailContent;
  }
 
  public String getSendEmailAccount() {
    return sendEmailAccount;
  }
 
  public void setSendEmailAccount(String sendEmailAccount) {
    this.sendEmailAccount = sendEmailAccount;
  }
 
  public String getSendEmailPassword() {
    return sendEmailPassword;
  }
 
  public void setSendEmailPassword(String sendEmailPassword) {
    this.sendEmailPassword = sendEmailPassword;
  }
 
  public String getReceiveMailAccount() {
    return receiveMailAccount;
  }
 
  public void setReceiveMailAccount(String receiveMailAccount) {
    this.receiveMailAccount = receiveMailAccount;
  }
 
  public String getMailTitle() {
    return mailTitle;
  }
 
  public void setMailTitle(String mailTitle) {
    this.mailTitle = mailTitle;
  }
 
  public String getMailContent() {
    return mailContent;
  }
 
  public void setMailContent(String mailContent) {
    this.mailContent = mailContent;
  }
 
  public String getSendPersonName() {
    return sendPersonName;
  }
 
  public void setSendPersonName(String sendPersonName) {
    this.sendPersonName = sendPersonName;
  }
 
  public String getReceivePersonName() {
    return receivePersonName;
  }
 
  public void setReceivePersonName(String receivePersonName) {
    this.receivePersonName = receivePersonName;
  }
}

2. jar包依赖

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<dependency>
 <groupId>junit</groupId>
 <artifactId>junit</artifactId>
 <version>4.11</version>
 <scope>test</scope>
</dependency>
 
<!-- mail dependency -->
<dependency>
 <groupId>com.sun.mail</groupId>
 <artifactId>javax.mail</artifactId>
 <version>1.6.2</version>
</dependency>

3. 发送邮箱实现

注意:

 1. 更改下面的属性,与实体类对应

Java实现邮箱发送功能实例(阿里云邮箱推送)

代码实现

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package cn.bitqian.mail.test;
 
import org.junit.Test;
 
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.util.Date;
import java.util.Properties;
 
 
/**
 * 邮件发送工具类
 * @author echo lovely
 * @date 2020/9/18 15:54
 */
public class MailSendUtils {
 
  // 邮箱smtp协议 这里是使用阿里云的
  public static final String myEmailSMTPHost = "smtpdm.aliyun.com";
 
  @Test
  public void test() {
    MailInfo mailInfo = new MailInfo("控制台所绑定的邮箱账户名",
        "绑定账户邮箱密码",
        "收件人邮箱名", "发件人姓名",
        "收件人姓名", "邮箱标题", "邮箱内容");
    try {
      sendEmail(mailInfo);
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
 
  public void sendEmail(MailInfo mailInfo) throws Exception {
 
    // 1. 创建参数配置, 用于连接邮件服务器的参数配置
    Properties props = new Properties();          // 参数配置
    props.setProperty("mail.transport.protocol", "smtp");  // 使用的协议(JavaMail规范要求)
    props.setProperty("mail.smtp.host", myEmailSMTPHost);  // 发件人的邮箱的 SMTP 服务器地址
    props.setProperty("mail.smtp.auth", "true");      // 需要请求认证
 
    // 2. 根据配置创建会话对象, 用于和邮件服务器交互
    Session session = Session.getInstance(props);
    session.setDebug(true);                 // 设置为debug模式, 可以查看详细的发送 log
 
    // 3. 创建一封邮件
    MimeMessage message = new MailSendUtils().createMimeMessage(session, mailInfo);
 
    // 4. 根据 Session 获取邮件传输对象
    Transport transport = session.getTransport();
 
    // 5. 使用 邮箱账号 和 密码 连接邮件服务器, 这里认证的邮箱必须与 message 中的发件人邮箱一致, 否则报错
    transport.connect(mailInfo.getSendEmailAccount(), mailInfo.getSendEmailPassword());
 
    // 6. 发送邮件, 发到所有的收件地址, message.getAllRecipients() 获取到的是在创建邮件对象时添加的所有收件人, 抄送人, 密送人
    transport.sendMessage(message, message.getAllRecipients());
 
    // 7. 关闭连接
    transport.close();
  }
 
    
  public MimeMessage createMimeMessage(Session session, MailInfo mailInfo) throws Exception {
    // 1. 创建一封邮件
    MimeMessage message = new MimeMessage(session);
 
    // 2. From: 发件人(昵称有广告嫌疑,避免被邮件服务器误认为是滥发广告以至返回失败,请修改昵称)
    message.setFrom(new InternetAddress(mailInfo.getSendEmailAccount(), mailInfo.getSendPersonName(), "UTF-8"));
 
    // 3. To: 收件人(可以增加多个收件人、抄送、密送)
    message.setRecipient(MimeMessage.RecipientType.TO,
        new InternetAddress(mailInfo.getReceiveMailAccount(), mailInfo.getReceivePersonName(), "UTF-8"));
 
    // 4. Subject: 邮件主题(标题有广告嫌疑,避免被邮件服务器误认为是滥发广告以至返回失败,请修改标题)
    message.setSubject(mailInfo.getMailTitle(), "UTF-8");
 
    // 5. Content: 邮件正文(可以使用html标签)(内容有广告嫌疑,避免被邮件服务器误认为是滥发广告以至返回失败,请修改发送内容)
    message.setContent(mailInfo.getMailContent(), "text/html;charset=UTF-8");
 
    // 6. 设置发件时间
    message.setSentDate(new Date());
 
    // 7. 保存设置
    message.saveChanges();
 
    return message;
  }
 
}

总结

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原文链接:https://blog.csdn.net/qq_44783283/article/details/108669051