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本篇内容主要讲解“springboot中JavaMailer使用ssl发送邮件”,感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷,实用性强。下面就让小编来带大家学习“springboot中JavaMailer使用ssl发送邮件”吧!
springboot使用发送邮件非常简单,都已经封装好了
首先就是引入依赖
<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-mail</artifactId> </dependency>
然后配置发送邮箱的用户名密码等,这里以使用腾讯企业邮箱为例,因为需要配置了ssl,所以需要配置额外属性properties,若不配置额外属性使用默认配置端口25也可以发送,但有些情况不行,比如阿里云的ecs内就不允许访问外网的25端口,因为被阿里云限制了。
spring: mail: host: smtp.exmail.qq.com username: 10000@qq.com password: 12345678 default-encoding: utf-8 properties: '[mail.smtp.auth]': true '[mail.smtp.timeout]': "5000" '[mail.smtp.socketFactory.port]': "465" '[mail.smtp.socketFactory.fallback]': false '[mail.smtp.socketFactory.class]': "javax.net.ssl.SSLSocketFactory"
然后使用javamail发送邮件
@ConditionalOnProperty(prefix = "spring.mail", name = "host") @Service public class CommonMailSender { @Value("${spring.mail.username}") private String from; @Autowired private JavaMailSender mailSender; /** * 简单文本邮件 * @param to 接收者邮件 * @param subject 邮件主题 * @param contnet 邮件内容 */ @Async public void sendSimpleMail(String to, String subject, String contnet){ SimpleMailMessage message = new SimpleMailMessage(); message.setTo(to); message.setSubject(subject); message.setText(contnet); message.setFrom(from); mailSender.send(message); } /** * HTML 文本邮件 * @param to 接收者邮件 * @param subject 邮件主题 * @param contnet HTML内容 * @throws MessagingException */ @Async public void sendHtmlMail(List<String> to, String subject, String contnet) throws MessagingException { MimeMessage message = mailSender.createMimeMessage(); MimeMessageHelper helper = new MimeMessageHelper(message, true); helper.setTo(to.toArray(new String[] {})); helper.setSubject(subject); helper.setText(contnet, true); helper.setFrom(from); mailSender.send(message); } /** * HTML 文本邮件 * @param to 接收者邮件 * @param subject 邮件主题 * @param contnet HTML内容 * @throws MessagingException */ @Async public void sendHtmlMail(String to, String subject, String contnet) throws MessagingException { MimeMessage message = mailSender.createMimeMessage(); MimeMessageHelper helper = new MimeMessageHelper(message, true); helper.setTo(to); helper.setSubject(subject); helper.setText(contnet, true); helper.setFrom(from); mailSender.send(message); } /** * 附件邮件 * @param to 接收者邮件 * @param subject 邮件主题 * @param contnet HTML内容 * @param filePath 附件路径 * @throws MessagingException */ @Async public void sendAttachmentsMail(String to, String subject, String contnet, String filePath) throws MessagingException { MimeMessage message = mailSender.createMimeMessage(); MimeMessageHelper helper = new MimeMessageHelper(message, true); helper.setTo(to); helper.setSubject(subject); helper.setText(contnet, true); helper.setFrom(from); FileSystemResource file = new FileSystemResource(new File(filePath)); String fileName = file.getFilename(); helper.addAttachment(fileName, file); mailSender.send(message); } }
注意这里的发送邮件方法会阻塞进程,所以使用了异步注解@Async
默认异步方法每次调用都会启用一个新线程执行,非常耗资源,所以这里还需要配置一下异步的线程池
@Configuration @EnableAsync public class AsyncConfig extends AsyncConfigurerSupport { @Override public Executor getAsyncExecutor() { ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor(); executor.setCorePoolSize(7); executor.setMaxPoolSize(42); executor.setQueueCapacity(11); executor.setThreadNamePrefix("AsyncExecutor-"); executor.initialize(); return executor; } @Override public AsyncUncaughtExceptionHandler getAsyncUncaughtExceptionHandler() { return new SimpleAsyncUncaughtExceptionHandler(); } }
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