java实现发送邮件功能

 <dependency>
   <groupId>javax.mail</groupId>
   <artifactId>javax.mail-api</artifactId>
   <version>1.5.6</version>
</dependency>
 
<dependency>
   <groupId>org.apache.commons</groupId>
   <artifactId>commons-email</artifactId>
   <version>1.4</version>
</dependency>

package com.zhanghan;
 
import org.apache.commons.mail.EmailException;
import org.apache.commons.mail.HtmlEmail;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;
 
import java.util.ArrayList;
import java.util.List;
 
@Service
public class EmailServiceImpl implements EmailService {
  @Override
  public void sendMail(String address, String subject, String htmlMsg, Boolean isSSL) throws EmailException {
 
    if (StringUtils.isEmpty(address) || StringUtils.isEmpty(subject) || StringUtils.isEmpty(htmlMsg)) {
      throw new EmailException();
    }
 
    try {
      HtmlEmail email = new HtmlEmail();
      List<String> list = new ArrayList<String>();
      list.add(address);
      String[] tos = list.toArray(new String[list.size()]);
 
      // 这里是SMTP发送服务器的名字：163的如下："smtp.163.com"
      email.setHostName("smtp.exmail.qq.com");
      if (isSSL) {
        email.setSSLOnConnect(true);
        email.setSmtpPort(465);
      }
      // 字符编码集的设置
      email.setCharset("UTF-8");
      // 收件人的邮箱
      email.addTo(tos);
      // 发送人的邮箱以及发件人名称
      email.setFrom("XXX@163.com", "zhanghan");
      // 如果需要认证信息的话，设置认证：用户名-密码。分别为发件人在邮件服务器上的注册名称和密码
      email.setAuthentication("XXX@163.com", "yyyy");
      // 要发送的邮件主题
      email.setSubject(subject);
      // 要发送的信息，由于使用了HtmlEmail，可以在邮件内容中使用HTML标签
      email.setHtmlMsg(htmlMsg);
 
      String result1 = email.send();      
 
    } catch (Exception e) {
      e.printStackTrace();
      throw new EmailException();
    }
  }
}