简单的使用. 阿里云每天免费200封 1000封才2块钱..
465端口 使用正常
25 端口 不正常
附上阿里云的文档: https://help.aliyun.com/document_detail/29450.html?spm=a2c4g.11186623.6.611.5212235bSuQnh1
package com.gwzx.framework.utils;
import java.util.Properties;
import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Address;
import javax.mail.Authenticator;
import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
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;
/**
* 阿里云邮件发送
*/
public class MailUtil {
private static final String ALIDM_SMTP_HOST = "smtpdm.aliyun.com";
private static final int ALIDM_SMTP_PORT = 25;// 或80
// 发件人的账号 和 密码
private String user;
private String password;
public MailUtil() {
this("阿里云SMTP账户", "SMTP密码");
}
public MailUtil(String user, String password) {
this.user = user;
this.password = password;
}
public static void main(String[] args) {
//new MailUtil().send("1161588342@qq.com", "测试1", "nihao显示");
//new MailUtil().send("1161588342@qq.com", "测试1", "市劳动纠纷联赛积分了","C:/Users/guo/Desktop/Proguard.xml");
}
/**
* 发送邮件
* @param toEmail 收件人邮箱地址
* @param subject 邮件标题
* @param content 邮件内容 可以是html内容
*/
public void send(String toEmail, String subject, String content) {
Session session = loadMailSession();
// session.setDebug(true);
// 创建邮件消息
MimeMessage message = new MimeMessage(session);
try {
// 设置发件人
message.setFrom(new InternetAddress(user));
Address[] a = new Address[1];
a[0] = new InternetAddress(user);
message.setReplyTo(a);
// 设置收件人
InternetAddress to = new InternetAddress(toEmail);
message.setRecipient(MimeMessage.RecipientType.TO, to);
// 设置邮件标题
message.setSubject(subject);
// 设置邮件的内容体
message.setContent(content, "text/html;charset=UTF-8");
// 发送邮件
Transport.send(message);
} catch (MessagingException e) {
String err = e.getMessage();
// 在这里处理message内容, 格式是固定的
System.out.println(err);
}
}
/**
* 发送邮件 带附件
* @param toEmail 收件人邮箱地址
* @param subject 邮件标题
* @param content 邮件内容 可以是html内容
* @param attachPath 附件路径
*/
public void send(String toEmail, String subject, String content, String attachPath) {
Session session = loadMailSession();
MimeMessage mm = new MimeMessage(session);
try {
//发件人
mm.setFrom(new InternetAddress(user));
//收件人
mm.setRecipient(Message.RecipientType.TO, new InternetAddress(toEmail)); // 设置收件人
// mm.setRecipient(Message.RecipientType.CC, new
// InternetAddress("XXXX@qq.com")); //设置抄送人
//标题
mm.setSubject(subject);
//内容
Multipart multipart = new MimeMultipart();
//body部分
BodyPart contentPart = new MimeBodyPart();
contentPart.setContent(content, "text/html;charset=utf-8");
multipart.addBodyPart(contentPart);
//附件部分
BodyPart attachPart = new MimeBodyPart();
FileDataSource fileDataSource = new FileDataSource(attachPath);
attachPart.setDataHandler(new DataHandler(fileDataSource));
attachPart.setFileName(MimeUtility.encodeText(fileDataSource.getName()));
multipart.addBodyPart(attachPart);
mm.setContent(multipart);
Transport.send(mm);
} catch (Exception e) {
String err = e.getMessage();
// 在这里处理message内容, 格式是固定的
System.out.println(err);
}
}
private Session loadMailSession() {
try {
// 配置发送邮件的环境属性
final Properties props = new Properties();
// 表示SMTP发送邮件,需要进行身份验证
props.put("mail.smtp.auth", "true");
props.put("mail.smtp.host", ALIDM_SMTP_HOST);
// props.put("mail.smtp.port", ALIDM_SMTP_PORT);
// 如果使用ssl,则去掉使用25端口的配置,进行如下配置,
props.put("mail.smtp.socketFactory.class","javax.net.ssl.SSLSocketFactory");
props.put("mail.smtp.socketFactory.port", "465");
props.put("mail.smtp.port", "465");
// 发件人的账号
props.put("mail.user", user);
// 访问SMTP服务时需要提供的密码
props.put("mail.password", password);
// 构建授权信息,用于进行SMTP进行身份验证
Authenticator authenticator = new Authenticator() {
@Override
protected PasswordAuthentication getPasswordAuthentication() {
// 用户名、密码
String userName = props.getProperty("mail.user");
String password = props.getProperty("mail.password");
return new PasswordAuthentication(userName, password);
}
};
// 使用环境属性和授权信息,创建邮件会话
return Session.getInstance(props, authenticator);
} catch (Exception e) {
e.printStackTrace();
System.out.println("mail session is null");
}
return null;
}
}