如何使用SpringBoot结合JavaMail通过阿里云企业邮箱成功发送电子邮件？

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JavaMail是一个Java开发的电子邮件处理开源类库，支持常用协议如SMTP、POP3、IMAP。与SpringBoot整合，需在pom文件中添加依赖：` org.springframework.boot spring-boot-starter-mail`

JavaMail是Java开发中邮件处理的开源类库，支持常用协议如：SMTP、POP3、IMAP

一、SpringBoot整合

1、需要在pom文件中添加依赖spring-boot-starter-mail

<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-mail</artifactId> </dependency>

构建项目，加载相关jar包

2、在application.yml中配置邮件发送的相关信息

spring: mail: host: smtp.mxhichina.com #阿里云发送服务器地址 port: 25 #端口号 username: XXX@XXXX.com #发送人地址 password: ENC(Grg2n2TYzgJv9zpwufsf37ndTe+M1cYk) #密码

3、编写邮件发送工具类MailUtil

MailUtil.java

/** * @author chenzan * @version V1.0 * @description 邮件发送 */ @Component public class MailUtil { @Autowired JavaMailSendermailSender; @Autowired MailPropertiesmailProperties; /** * 发送邮件测试方法 */ public void sendMail(MailBean mailBean) { SimpleMailMessage mimeMessage =new SimpleMailMessage(); mimeMessage.setFrom(mailProperties.getUsername()); mimeMessage.setTo(mailBean.getToAccount()); mimeMessage.setSubject(mailBean.getSubject()); mimeMessage.setText(mailBean.getContent()); mailSender.send(mimeMessage); } /** * 发送邮件-附件邮件 * @param boMailBean */ public boolean sendMailAttachment(MailBean mailBean) { try { MimeMessage mimeMessage =mailSender.createMimeMessage(); MimeMessageHelper helper =new MimeMessageHelper(mimeMessage, true); helper.setFrom(mailProperties.getUsername()); helper.setTo(boMailBean.getToAccount()); helper.setSubject(mailBean.getSubject()); helper.setText(mailBean.getContent(), true); // 增加附件名称和附件 helper.addAttachment(MimeUtility.encodeWord(boMailBean.getAttachmentFileName(), "utf-8", "B"), mailBean.getAttachmentFile()); mailSender.send(mimeMessage); return true; }catch (MessagingException e) { e.printStackTrace(); return false; } }

MailBean.java

/** * @author chenzan * @version V1.0 */ @Data public class MailBean { private Stringsubject; private String content; private String toAccount; private File attachmentFile; private String attachmentFileName; }

4.发送

String email = "XXX@email.com"; String content="测试内容"; String subject = "测试主题"; MailBean mailBean =new MailBean (); mailBean .setToAccount(email); boMailBean.setSubject(subject ); boMailBean.setContent(content); boolean resultSend =mailUtil.sendMailAttachment(boMailBean);

二、查看阿里云邮箱设置

支持SMTP/POP3/IMAP功能，轻松通过客户端软件（outlook、foxmail等）收发邮件。 详细设置 点此查看

三、SpringBoot中集成了jasypt在一定程度上保证密码的安全

1、添加依赖

<properties> <jasypt.version>1.9</jasypt.version> </properties> <dependency> <groupId>com.github.ulisesbocchio</groupId> <artifactId>jasypt-spring-boot-starter</artifactId> <version>${jasypt.version}</version> </dependency>

2、在application.yml中配置加密密钥

jasypt: encryptor: password: XXXXXXX

3、生成密码对应的密文

@RunWith(SpringRunner.class) @SpringBootTest public class EncryptTests { @Autowired StringEncryptor stringEncryptor; @Test public void encryptPwd() { String result = stringEncryptor.encrypt("XXXX"); System.out.println(result); } }

4、密文替换

在ENC()中添加对应密文

password: ENC(Grg2n2TYzgJv9zpwufsf37ndTe+M1cYk) #密码

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