一、用465端口进行发送
javax.mail
mail
1.4.1
MailUtil.java
package com.qiaojun;
import org.apache.commons.lang.StringUtils;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.util.Properties;
/**
* 用465端口发送邮件
*
* @author qiaojun
* @date 2019/8/12
*/
public class MailUtil {
private static String USER_NAME = "[email protected]";//发件人
private static String PASSWORD = "xxxx";//密码
private static String HOST = "smtp.ym.163.com";
public static void main(String[] args) {
sendMail("[email protected]", null, "测试标题", "测试内容");
}
public static void sendMail(String subject, String content) {
sendMail(null, null, subject, "content");
}
public static void sendMail(String to, String subject, String content) {
sendMail(to, null, subject, "content");
}
/**
* 发邮件端口改为465
*
* @param to 发送人 逗号分开
* @param cc 抄送人 逗号分开
* @param content 发送内容
*/
public static void sendMail(String to, String cc, String subject, String content) {
if (null == to) {
return;
}
Properties props = new Properties();
props.put("username", USER_NAME);
props.put("password", PASSWORD);
//网易的smtp服务器地址
props.put("mail.smtp.host", HOST);
//SSLSocketFactory类的端口
props.put("mail.smtp.socketFactory.port", "465");
//SSLSocketFactory类
props.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
props.put("mail.smtp.auth", "true");
//网易提供的ssl加密端口,QQ邮箱也是该端口
props.put("mail.smtp.port", "465");
Session defaultInstance = Session.getDefaultInstance(props);
try {
Session session = Session.getInstance(props, null);
Message message = new MimeMessage(session);
message.setFrom(new InternetAddress(props.getProperty("username")));
if (StringUtils.isEmpty(to)) {
to = "[email protected]";
}
message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to));
if (cc != null) {
message.setRecipients(Message.RecipientType.CC, InternetAddress.parse(cc));
}
message.setSubject(subject);
// 正文和响应头
message.setContent(content, "text/html;charset=UTF-8");
message.saveChanges();
Transport transport = defaultInstance.getTransport("smtp");
transport.connect(props.getProperty("mail.smtp.host"), props.getProperty("username"), props.getProperty("password"));
transport.sendMessage(message, message.getAllRecipients());
transport.close();
} catch (MessagingException e) {
throw new RuntimeException(e);
}
}
}
二、使用默认的25端口发送
javax.mail
mail
1.4.1
org.springframework
spring-context-support
4.3.18.RELEASE
MailUtl.java
package com.jmt.alipay.util;
import org.springframework.core.io.ClassPathResource;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSenderImpl;
import org.springframework.mail.javamail.MimeMessageHelper;
import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.*;
import javax.mail.internet.*;
import java.io.UnsupportedEncodingException;
import java.security.Security;
import java.util.Date;
import java.util.Properties;
/**
* 邮件发送工具类
* @author qiaojun
* @date 2019/5/21
*/
public class MailUtl {
private static JavaMailSenderImpl mailSender = null;
/**
* 发送邮件客户端配置
*/
private static final String USER_NAME = "[email protected]";//发件人
private static final String PASSWORD = "xxxxx";//密码
private static final String HOST = "smtp.ym.163.com";
private static final int PORT = 25;
private synchronized static JavaMailSenderImpl getSender()
{
if (null == mailSender)
{
mailSender = new JavaMailSenderImpl();
mailSender.setHost(HOST);
mailSender.setUsername(USER_NAME);
mailSender.setPort(PORT);
mailSender.setPassword(PASSWORD);
Properties props = new Properties();
props.setProperty("mail.smtp.auth", "true");
mailSender.setJavaMailProperties(props);
}
return mailSender;
}
/**
* 发送普通邮件
* @param subject 标题
* @param content 内容
* @param to 收件人
* @param cc 抄送
*/
public static void sendSimpleMail(String subject, String content,String[] to,String[] cc)
{
SimpleMailMessage msg = new SimpleMailMessage();
msg.setSubject(subject);
msg.setText(content);
msg.setFrom(USER_NAME);
if(null != to){
msg.setTo(to);
}else {
msg.setTo(new String[]{"[email protected]"});
}
if(null != cc){
msg.setCc(cc);
}
getSender().send(msg);
}
/**
* 发送带附件的邮件
* @param subject 标题
* @param content 内容
* @param to 收件人
* @param cc 抄送
* @param filePath 附件（文件）路径
*/
public static void sendAttachMail(String subject, String content,String[] to,String[] cc,String filePath)
{
// 使用JavaMail的MimeMessage，支持更加复杂的邮件格式和内容
MimeMessage msg = getSender().createMimeMessage();
// 加入附件
try
{
// 创建MimeMessageHelper对象，处理MimeMessage的辅助类
MimeMessageHelper helper = new MimeMessageHelper(msg, true);
// 使用辅助类MimeMessage设定参数
helper.setFrom(USER_NAME);
helper.setTo(to);
helper.setCc(cc);
helper.setSubject(subject);
helper.setText(content);
// 加载文件资源，作为附件
ClassPathResource file = new ClassPathResource(filePath);
helper.addAttachment("attachment", file);
}
catch (MessagingException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
// 发送邮件
getSender().send(msg);
}
/**
* 发送Html格式邮件
* @param subject 标题
* @param content 内容
* @param to 收件人
* @param cc 抄送
*/
public static void sendHtmlMail(String subject, String content,String[] to,String[] cc)
{
// 使用JavaMail的MimeMessage，支持更加复杂的邮件格式和内容
MimeMessage msg = getSender().createMimeMessage();
try
{
// 创建MimeMessageHelper对象，处理MimeMessage的辅助类，参数true可输出html格式，gbk编码格式
MimeMessageHelper helper = new MimeMessageHelper(msg, true, "GBK");
helper.setFrom(USER_NAME);
helper.setTo(to);
helper.setCc(cc);
helper.setSubject(subject);
helper.setText(content, true);
}
catch (MessagingException e)
{
e.printStackTrace();
}
getSender().send(msg);
}
/**
* 用ssl用456端口发送邮件
* 发送邮件(灵活度高，通用版)
* @param to 收件人, 多个Email以英文逗号分隔
* @param cc 抄送, 多个Email以英文逗号分隔
* @param subject 主题
* @param content 内容
* @param fileList 附件列表
* @return
*/
public static boolean sendMail(String to, String cc, String subject, String content, String[] fileList){
try {
Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());
final String sslFactory = "javax.net.ssl.SSLSocketFactory";
final Properties p = System.getProperties() ;
p.setProperty("mail.smtp.host", HOST);
p.setProperty("mail.smtp.auth", "true");
p.setProperty("mail.smtp.user", USER_NAME);
p.setProperty("mail.smtp.pass", PASSWORD);
p.setProperty("mail.smtp.socketFactory.class", sslFactory);
p.setProperty("mail.smtp.socketFactory.fallback", "false");
//邮箱发送服务器端口,这里设置为465端口
p.setProperty("mail.smtp.port", "465");
p.setProperty("mail.smtp.socketFactory.port", "465");
// 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.getInstance(p, new Authenticator(){
@Override
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(p.getProperty("mail.smtp.user"),p.getProperty("mail.smtp.pass"));
}
});
session.setDebug(true);
Message message = new MimeMessage(session);
//消息发送的主题
message.setSubject(subject);
//接受消息的人
// message.setReplyTo(InternetAddress.parse(FROM_MAIL_NAME));
//消息的发送者
message.setFrom(new InternetAddress(p.getProperty("mail.smtp.user"),"参数"));
// 创建邮件的接收者地址，并设置到邮件消息中
String[] split = to.split(",");
InternetAddress []tos = new InternetAddress[split.length];
for (int i = 0; i < split.length; i++) {
tos[i]=new InternetAddress(split[i]);
}
// 设置抄送人
if (cc != null && cc.length() > 0) {
message.setRecipients(Message.RecipientType.CC, InternetAddress.parse(cc));
}
message.setRecipients(Message.RecipientType.TO, tos);
// 消息发送的时间
message.setSentDate(new Date());
Multipart mainPart = new MimeMultipart();
// 创建一个包含HTML内容的MimeBodyPart
BodyPart html = new MimeBodyPart();
// 设置HTML内容
html.setContent(content, "text/html; charset=utf-8");
mainPart.addBodyPart(html);
// 将MiniMultipart对象设置为邮件内容
message.setContent(mainPart);
// 设置附件
if (fileList != null && fileList.length > 0) {
for (String aFileList : fileList) {
html = new MimeBodyPart();
FileDataSource fds = new FileDataSource(aFileList);
html.setDataHandler(new DataHandler(fds));
html.setFileName(MimeUtility.encodeText(fds.getName(), "UTF-8", "B"));
mainPart.addBodyPart(html);
}
}
message.setContent(mainPart);
message.saveChanges();
Transport.send(message);
} catch (MessagingException | UnsupportedEncodingException e) {
e.printStackTrace();
return false;
}
return true;
}
public static void main(String[] args) {
String[] str = {"[email protected]"};//收件人
String[] strcs = {"[email protected]"};//抄送人
sendSimpleMail("测试标题","测试内容",null,null);
// sendMail("[email protected]",null,"标题","内容",null);
}
}
