JAVA发送邮件工具类

需要jar包    mailapi-1.4.2.jar

https://yvioo.lanzous.com/iZO6Kgx314h

EmailSendUtils.java

package com.email;

import javax.mail.*;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.util.Date;
import java.util.Properties;

public class EmailSendUtils {
    // 邮箱服务器
    private String host;
    //邮箱端口
    private Integer port;
    // 这个是你的邮箱用户名
    private String username;
    // 你的邮箱授权码 不是邮箱密码
    private String password;

    private String mail_head_name;

    private String mail_head_value;

    private String mail_to;

    private String mail_from;

    private String mail_subject;

    private String mail_body;

    private String personalName = "";

    public EmailSendUtils() {
    }

    public EmailSendUtils(String host, Integer port, String username, String password,
                          String mailto, String subject, String text, String name,
                          String head_name, String head_value) {
        this.host = host;
        if (port != null) {
            this.port = port;
        } else {
            this.port = 25;
        }
        this.username = username;
        this.mail_from = username;
        this.password = password;
        this.mail_to = mailto;
        this.mail_subject = subject;
        this.mail_body = text;
        this.personalName = name;
        this.mail_head_name = head_name;
        this.mail_head_value = head_value;
    }

    /**
     * 此段代码用来发送电子邮件
     */
    public boolean send() {
        try {
            Properties props = new Properties();
            // 进行邮件服务器用户认证
            Authenticator auth = new Email_Autherticator();
            props.put("mail.smtp.host", host);
            props.put("mail.smtp.auth", "true");
            props.put("mail.smtp.port", port);
            Session session = Session.getInstance(props, auth);
            // 设置session,和邮件服务器进行通讯。
            MimeMessage message = new MimeMessage(session);
            message.setSubject(mail_subject); // 设置邮件主题
            message.setText(mail_body); // 设置邮件正文
            message.setHeader(mail_head_name, mail_head_value);

            message.setSentDate(new Date()); // 设置邮件发送日期
            Address address = new InternetAddress(mail_from, personalName);
            message.setFrom(address); // 设置邮件发送者的邮箱地址
            Address toAddress = new InternetAddress(mail_to); // 设置邮件接收方的地址
            message.addRecipient(Message.RecipientType.TO, toAddress);
            Transport.send(message); // 发送邮件
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }

    /**
     * 用来进行服务器对用户的认证
     */
    public class Email_Autherticator extends Authenticator {
        public Email_Autherticator() {
            super();
        }

        public Email_Autherticator(String user, String pwd) {
            super();
            username = user;
            password = pwd;
        }

        public PasswordAuthentication getPasswordAuthentication() {
            return new PasswordAuthentication(username, password);
        }
    }

    public String getHost() {
        return host;
    }

    public void setHost(String host) {
        this.host = host;
    }

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public String getMail_head_name() {
        return mail_head_name;
    }

    public void setMail_head_name(String mail_head_name) {
        this.mail_head_name = mail_head_name;
    }

    public String getMail_head_value() {
        return mail_head_value;
    }

    public void setMail_head_value(String mail_head_value) {
        this.mail_head_value = mail_head_value;
    }

    public String getMail_to() {
        return mail_to;
    }

    public void setMail_to(String mail_to) {
        this.mail_to = mail_to;
    }

    public String getMail_from() {
        return mail_from;
    }

    public void setMail_from(String mail_from) {
        this.mail_from = mail_from;
    }

    public String getMail_subject() {
        return mail_subject;
    }

    public void setMail_subject(String mail_subject) {
        this.mail_subject = mail_subject;
    }

    public String getMail_body() {
        return mail_body;
    }

    public void setMail_body(String mail_body) {
        this.mail_body = mail_body;
    }

    public String getPersonalName() {
        return personalName;
    }

    public void setPersonalName(String personalName) {
        this.personalName = personalName;
    }

    public Integer getPort() {
        return port;
    }

    public void setPort(Integer port) {
        this.port = port;
    }


    /**
     * 测试发送 这里的密码要是授权码，不是邮箱密码
     *
     * @param args
     */
    public static void main(String[] args) {
        EmailSendUtils sendEmail = new EmailSendUtils("smtp.163.com", 25,
                "tu@163.com", "56", "531@qq.com",
                "标题", "文本内容", "姓名", "请求头key", "请求头value");
        try {
            sendEmail.send();
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }

}

效果