javaMail的使用以及trying to connect to host "1xxx@163.com", port 25, isSSL false异常
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最近项目用到邮件系统,开始了解javaMail。。。话不多说先上代码:
pom依赖:
<!-- 邮件 https://mvnrepository.com/artifact/javax.mail/mail -->
<dependency>
<groupId>javax.mail</groupId>
<artifactId>mail</artifactId>
<version>1.5.0-b01</version>
</dependency>
工具类:
import java.util.Date;
import java.util.Properties;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
public class MailUtils {
//发件人地址
private static String senderAddress = "[email protected]";
//收件人地址
private static String recipientAddress = "[email protected]";
//发件人账户
public static String senderAccount = "[email protected]";
//发件人授权码
public static String auth = "xxxxxxx";
//邮件主题
public static String subject = "xxxxxx通知";
//邮件正文
public static String content = "您有一则xxxxx!";
public static void main(String [] args) throws MessagingException {
//1.连接邮件服务器的配置参数
Properties properties = new Properties();
//设置用户认证方式
properties.setProperty("mail.smtp.auth", "true");
//设置传输协议
properties.setProperty("mail.transport.protocol", "smtp");
//设置发件人的SMTP服务器地址
properties.setProperty("mail.smtp.host", "smtp.163.com");
//properties.setProperty("mail.smtp.port", "465");
//2.创建定义整个应用程序所需的环境信息的Session对象
Session session = Session.getInstance(properties);
session.setDebug(true);
//3.创建邮件的实例对象
MimeMessage msg = getMimeMessage(session);
//4.根据session对象获取邮件传输对象
Transport transport = session.getTransport("smtp");
transport.connect("smtp.163.com", senderAccount, auth);
//发送邮件,并发送到所有收件人地址,message.getAllRecipients()获取到创建又见对象时添加的所有收件人抄送人密送人
transport.sendMessage(msg, msg.getAllRecipients());
//如果只想发送给指定的人,可以如下写法
//transport.sendMessage(msg, new Address[]{new InternetAddress("[email protected]")});
//5.关闭邮件链接
transport.close();
}
/**
* 獲得創建一封郵件的實例對象
* @param session
* @return
* @throws MessagingException
* @throws AddressException
*/
public static MimeMessage getMimeMessage(Session session) throws MessagingException {
//創建郵件的實例對象
MimeMessage msg = new MimeMessage(session);
//设置发件人地址
msg.setFrom(new InternetAddress(senderAddress));
/*
* 设置收件人地址(可以增加多个收件人,抄送人,密送)
* MimeMessage.RecipientType.TO 发送
* MimeMessage.RecipientType.CC 抄送
* MimeMessage.RecipientType.BCC 密送
*/
msg.setRecipient(MimeMessage.RecipientType.TO, new InternetAddress(recipientAddress));
//设置邮件主题
msg.setSubject(subject, "UTF-8");
//设置邮件正文
msg.setContent(content, "text/html;charset=UTF-8");
//设置邮件的发送时间默认立即发送
msg.setSentDate(new Date());
return msg;
}
}
需要注意首先发件人邮箱需要设置开启POP3/SMTP/IMAP协议
transport.connect("smtp.163.com", senderAccount, auth);这里的参数注意第三个不是密码
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