Java发送Email邮件

Java发送Email邮件

• maven依赖

<!-- email -->
<dependency>
    <groupId>javax.mail</groupId>
    <artifactId>mail</artifactId>
    <version>1.4.1</version>
</dependency>

• Email发送工具类

/**
 * @Author: RedRush
 * @Date: 2022/9/1 14:45
 * @description: 邮件发送工具类
 */
@Service("EmailUtils")
@Slf4j
public class EmailMsgUtils {

    @Value("${util.email.user-name}")
    private String USER_NAME;

    @Value("${util.email.password}")
    private String PASSWORD;

    // 发送者,显示的发件人名字
    @Value("${util.email.label-name}")
    private String EMAIL_LABEL_NAME;

    // 邮件服务器mail.cpip.net.cn
    @Value("${util.email.server}")
    private String EMAIL_SERVER;

    // 邮件服务器 端口
    @Value("${util.email.server-port}")
    private int EMAIL_SERVER_PORT;


    /**
     * @Author: RedRush
     * @Date:   2023/3/1 15:06
     * @param emailAddress email发送地址
     * @param title email标题
     * @param content email内容
     * @Return: Boolean
     * @description: 发送email
     */
    public Boolean sendEmail(String emailAddress, String title, String content){
        try {
            Properties props = new Properties();
            props.put("mail.smtp.host", EMAIL_SERVER);
            props.put("mail.smtp.port", String.valueOf(EMAIL_SERVER_PORT));
            props.put("mail.smtp.auth", "true");
            Session session = Session.getDefaultInstance(props, null);
            Transport transport = session.getTransport("smtp");
            transport.connect(EMAIL_SERVER, USER_NAME, PASSWORD);
            MimeMessage msg = new MimeMessage(session);
            msg.setSentDate(new Date());
            InternetAddress fromAddress = new InternetAddress(USER_NAME, EMAIL_LABEL_NAME, Constants.UTF8);
            msg.setFrom(fromAddress);
            InternetAddress[] toAddress = new InternetAddress[1];
            toAddress[0] = new InternetAddress(emailAddress);
            msg.setRecipients(javax.mail.Message.RecipientType.TO, toAddress);
            msg.setSubject(title, Constants.UTF8);

            // MimeMultipart类是一个容器类，包含MimeBodyPart类型的对象
            Multipart mainPart = new MimeMultipart();
            MimeBodyPart messageBodyPart = new MimeBodyPart();// 创建一个包含附件内容的
            messageBodyPart.setContent(content, Constants.HTML_CONTENT_TYPE);
            mainPart.addBodyPart(messageBodyPart);
            msg.setContent(mainPart);

            // msg.setText(body, "UTF-8");
            msg.saveChanges();
            transport.sendMessage(msg, msg.getAllRecipients());
            return true;
        } catch (Exception e) {
            log.error("Email发送异常:" + ExceptionsUtils.errToString(e));
            return false;
        }
    }
}