javaMail 发送邮件

pom.xml

 <!-- https://mvnrepository.com/artifact/javax.mail/javax.mail-api -->
        <dependency>
            <groupId>javax.mail</groupId>
            <artifactId>javax.mail-api</artifactId>
            <version>1.6.2</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/com.sun.mail/javax.mail -->
        <dependency>
            <groupId>com.sun.mail</groupId>
            <artifactId>javax.mail</artifactId>
            <version>1.6.2</version>
        </dependency>

EmailUtils：

package com.nextjoy.projects.monitor.utils;

import com.sun.mail.util.MailSSLSocketFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.security.GeneralSecurityException;
import java.util.Properties;

/**
 * 用户发送邮件
 * Created by liuxn.
 * 2018/12/6
 */
public class EmailUtils {

    private static final Logger logger = LoggerFactory.getLogger(EmailUtils.class);

    private static String EMAIL_FROM_SMTP_HOST = PropertyUtils.getConfigValue("email.from.smtp.host");
    //是否开启验证
    private static String EMAIL_FROM_SMTP_AUTH = PropertyUtils.getConfigValue("mail.from.smtp.auth");
    private static String EMAIL_FROM_SMTP_PORT = PropertyUtils.getConfigValue("email.from.smtp.port");

    private String username;
    private String password;

    public EmailUtils(String username, String password) {
        this.username = username;
        this.password = password;
    }

    /**
     * 发送文本邮件
     *
     * @param fromEmail 发送人邮箱
     * @param toEmail   接受人邮箱
     * @param title     标题
     * @param text      发送内容
     */
    public void sendEmails(String fromEmail, String toEmail, String title, String text) {

        logger.info("fromEmail：[" + fromEmail + "],toEmail:[" + toEmail + "],title:[" + title + "],text:[" + text + "]");
        try {
            // 获取系统属性
            Properties properties = System.getProperties();

            // 设置邮件服务器
            properties.setProperty("mail.smtp.host", EMAIL_FROM_SMTP_HOST);
            //设置端口
            properties.setProperty("mail.smtp.port", EMAIL_FROM_SMTP_PORT);
            //是否验证
            properties.put("mail.smtp.auth", EMAIL_FROM_SMTP_AUTH);
            //开启SSL
            MailSSLSocketFactory sf = new MailSSLSocketFactory();
            sf.setTrustAllHosts(true);

            properties.put("mail.smtp.ssl.enable", "true");
            properties.put("mail.smtp.ssl.socketFactory", sf);

            // 获取默认session对象
            Session session = Session.getDefaultInstance(properties);

            // 创建默认的 MimeMessage 对象
            MimeMessage message = new MimeMessage(session);
            // Set From: 头部头字段
            message.setFrom(new InternetAddress(fromEmail));
            // Set To: 头部头字段
            message.addRecipient(Message.RecipientType.TO, new InternetAddress(toEmail));
            // Set Subject: 头部头字段
            message.setSubject(title);

            // 设置消息体
            message.setText(text);

            // 发送消息
            Transport.send(message, username, password);
            logger.info("Sent email successfully ....");
        } catch (Exception e) {
            logger.error("send email fail ", e);
        }
    }
}

调用：

EmailUtils emailUtils = new EmailUtils(EMAIL_FROM_USERNAME, EMAIL_FROM_PASSWORD);//初始化发送者邮箱用户名密码
emailUtils.sendEmails(EMAIL_FROM_ADDRESS,EMAIL_TO_ADDRESS,title,text);