Java實現郵箱發送

package com.forenms.ycczj.email;

import javax.mail.Authenticator;
import javax.mail.PasswordAuthentication;

/**
 * 進行郵箱認證
 *
 *
 */
public class EmailAutherticator extends Authenticator{

    private String userName;

    private String passWord;

    public EmailAutherticator(String userName, String passWord) {
        super();
        this.setUserName(userName);
        this.setPassWord(passWord);

    }

    public PasswordAuthentication getPasswordAuthentication() {
        return new PasswordAuthentication(userName, passWord);
    }

    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;
    }

}

package com.forenms.ycczj.email;

import java.util.Date;
import java.util.Properties;
import java.util.ResourceBundle;

import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Authenticator;
import javax.mail.Multipart;
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;


public class SendMail {
    private static ResourceBundle bunder=ResourceBundle.getBundle("email");
    public static void main(String args[])throws Exception{
        String smsMob[]=new String[]{"[email protected]"};
        System.out.println(SendMail.sendMail("title 郵件的標題", smsMob, "content 郵件的內容"));

    }

    /**
     * 發送郵件
     * @param subject  標題
     * @param to  接收方
     * @param text  內容
     * @param mimeType  類型("text/html;charset=gb2312")
     * @throws Exception
     */
    public static boolean sendMail(String subject, String[] to,String text) {
        boolean result=false;
        String smtp = bunder.getString("mail.smtp.host");
        String serverName = bunder.getString("mail.qq");
        String serverPaswd = bunder.getString("mail.from.password");
        String userMail=bunder.getString("mail.from");

        //設置連接郵件服務器屬性
        Properties properties = System.getProperties();
        properties.put("mail.smtp.host", smtp);
        properties.put("mail.smtp.auth", "true");

        //進行郵件服務器認證
        EmailAutherticator emailAuther = new EmailAutherticator(serverName, serverPaswd);
        //獲取連接郵件服務器會話
        Session session = Session.getInstance(properties,(Authenticator)emailAuther);
        //設置郵件正文
        MimeMessage mimeMessage = new MimeMessage(session);
        Multipart multipart = new MimeMultipart();
        try {
            //設置發送郵件人地址
            InternetAddress sentFrom = new InternetAddress(userMail);
            mimeMessage.setFrom(sentFrom);
            //設置接收郵件人地址
            InternetAddress[] sendTo = new InternetAddress[to.length];
            for (int i = 0; i < to.length; i++) {
                sendTo[i] = new InternetAddress(to[i]);
            }
            //mimeMessage.setRecipients(MimeMessage.RecipientType.TO,   sendTo);

            mimeMessage.setRecipients(MimeMessage.RecipientType.BCC,sendTo);
            //設置郵件標題
            mimeMessage.setSubject(subject, "UTF-8");
            //加入郵件正文信息
            MimeBodyPart mimeBodyPartHtml = new MimeBodyPart();
            //加入html
            mimeBodyPartHtml.setContent(text, "text/html;charset=gb2312");
            multipart.addBodyPart(mimeBodyPartHtml);
            //加入郵件正文
            mimeMessage.setContent(multipart);
            //加入發送時間
            mimeMessage.setSentDate(new Date());
            //保存信息
            mimeMessage.saveChanges();
            //發送郵件
            Transport.send(mimeMessage);
            result=true;
        } catch (Exception e) {
            //e.printStackTrace();
            return false;
        }
        return result;
    }

    /**
     * 發送郵件(加入附件)
     * @param subject  標題
     * @param to  接收方
     * @param text  內容
     * @param fileName  發送文件
     * @param mimeType  類型("text/html;charset=gb2312")
     * @throws Exception
     */
    public static void sendMailToFile(String subject, String[] to,String text, String fileName) throws Exception {

        String smtp = "smtp.163.com";
        String serverName = "xxxxxx";
        String serverPaswd = "xxxxxxxxx";
        String userMail="[email protected]";

        //設置連接郵件服務器屬性
        Properties properties = System.getProperties();
        properties.put("mail.smtp.host", smtp);
        properties.put("mail.smtp.auth", "true");

        //進行郵件服務器認證
        EmailAutherticator emailAuther = new EmailAutherticator(serverName, serverPaswd);
        //獲取連接郵件服務器會話
        Session session = Session.getInstance(properties,(Authenticator)emailAuther);
        //設置郵件正文
        MimeMessage mimeMessage = new MimeMessage(session);
        Multipart multipart = new MimeMultipart();
        //設置發送郵件人地址
        InternetAddress sentFrom = new InternetAddress(userMail);
        mimeMessage.setFrom(sentFrom);
        //設置接收郵件人地址
        InternetAddress[] sendTo = new InternetAddress[to.length];
        for (int i = 0; i < to.length; i++) {
            sendTo[i] = new InternetAddress(to[i]);
        }
        //mimeMessage.setRecipients(MimeMessage.RecipientType.TO,   sendTo);

        mimeMessage.setRecipients(MimeMessage.RecipientType.BCC,sendTo);


        //設置郵件標題
        mimeMessage.setSubject(subject, "UTF-8");
        //加入郵件正文信息
        MimeBodyPart mimeBodyPartHtml = new MimeBodyPart();
        //加入html
        mimeBodyPartHtml.setContent(text, "text/html;charset=gb2312");
        multipart.addBodyPart(mimeBodyPartHtml);
        //加入附件
        MimeBodyPart mimeBodyPartFile = new MimeBodyPart();
        //附件文件路徑
        String filename = fileName.split(",")[0];
        //附件文件名稱
        String displayname = fileName.split(",")[1];
        //獲取文件流
        FileDataSource fds = new FileDataSource(filename);
        mimeBodyPartFile.setDataHandler(new DataHandler(fds));
        mimeBodyPartFile.setFileName(MimeUtility.encodeText(displayname));
        multipart.addBodyPart(mimeBodyPartFile);
        //加入郵件正文
        mimeMessage.setContent(multipart);
        //加入發送時間
        mimeMessage.setSentDate(new Date());
        //保存信息
        mimeMessage.saveChanges();

        //發送郵件
        Transport.send(mimeMessage);
    }

}

email.properties

mail.smtp.host=smtp.qq.com
mail.smtp.auth=true
[email protected]
mail.qq=xxxxxx
mail.from.password=******
mail.smtp.timeout=25000
mail.smtp.starttls.enable=true