SpringBoot 整合163邮箱 阿里云25端口问题

SpringBoot 整合163邮箱阿里云25端口问题

使用 163 邮箱 SMTP服务器 非SSL协议 25端口,项目本地测试时没有问题, 但是发布到阿里云服务器就报错 经检查发现阿里云出于安全考虑封禁了25端口, 解决方案更换为SSL协议 使用465端口 异常信息:

org.springframework.mail.MailSendException: Mail server connection failed; nested exception is com.sun.mail.util.MailConnectException: Couldn't connect to host, port: smtp.163.com, 25; timeout -1; nested exception is: java.net.ConnectException: 连接超时 (Connection timed out). Failed messages: com.sun.mail.util.MailConnectException: Couldn't connect to host, port: smtp.163.com, 25; timeout -1; nested exception is: java.net.ConnectException: 连接超时 (Connection timed out) at org.springframework.mail.javamail.JavaMailSenderImpl.doSend(JavaMailSenderImpl.java:448) at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:361) at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:356) at cn.decentchina.kentucky.merchant.utils.JavaMailMessageUtils.sendMall(JavaMailMessageUtils.java:81) at cn.decentchina.kentucky.merchant.utils.JavaMailMessageUtils.sendFileMail(JavaMailMessageUtils.java:46) at cn.decentchina.kentucky.merchant.code.exchange.service.impl.CodeCardBatchServiceImpl.getSimpleMessage(CodeCardBatchServiceImpl.java:593) at cn.decentchina.kentucky.merchant.code.exchange.service.impl.CodeCardBatchServiceImpl.cardListSend(CodeCardBatchServiceImpl.java:379) at cn.decentchina.kentucky.merchant.code.exchange.service.impl.CodeCardBatchServiceImpl$$FastClassBySpringCGLIB$$56a01fec.invoke(<generated>) at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:685) at cn.decentchina.kentucky.merchant.code.exchange.service.impl.CodeCardBatchServiceImpl$$EnhancerBySpringCGLIB$$1b17249b.cardListSend(<generated>) at cn.decentchina.kentucky.merchant.code.exchange.service.impl.CodeCardBatchServiceImpl$$FastClassBySpringCGLIB$$56a01fec.invoke(<generated>) at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:769) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:747) at org.springframework.aop.interceptor.AsyncExecutionInterceptor.lambda$invoke$0(AsyncExecutionInterceptor.java:115) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)

pom.xml

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

application.yml

spring: mail: host: smtp.163.com password: 授权码(163邮箱非登录密码) username:用户名 default-encoding: UTF-8 protocol: smtp port: 465 properties: mail: smtp: auth: true socketFactory: class: javax.net.ssl.SSLSocketFactory port: 465 ssl: enable: true starttls: enable: true required: true

java

@Component public class JavaMailMessageUtils { /** * 邮件主题最大长度 */ private static final Integer MAX_LENGTH = 270; @Resource private JavaMailSender javaMailSender; @Value("${spring.mail.username}") private String userName; /** * 发送邮件 * * @param to 接收方 * @param subject 主题 * @param text 信息 * @param file 文件 */ public void sendFileMail(String to, String subject, String text, File file) throws MessagingException { // 如果主题长度超过最大值，显示... if (StringUtils.isNotBlank(subject) && subject.length() > MAX_LENGTH) { subject = subject.substring(0, MAX_LENGTH - 3) + "..."; } sendMall(new String[]{to}, subject, text, file); } /** * 发送邮件 * * @param to 接收方 * @param subject 主题 * @param text 信息 * @param file 文件 */ public void sendFileMail(String[] to, String subject, String text, File file) throws MessagingException { // 如果主题长度超过最大值，显示... if (StringUtils.isNotBlank(subject) && subject.length() > MAX_LENGTH) { subject = subject.substring(0, MAX_LENGTH - 3) + "..."; } sendMall(to, subject, text, file); } private void sendMall(String[] toArr, String subject, String text, File file) throws MessagingException { System.setProperty("mail.mime.splitlongparameters", "false"); MimeMessage mimeMessage = javaMailSender.createMimeMessage(); MimeMessageHelper mimeMessageHelper = new MimeMessageHelper(mimeMessage, true); if (ArrayUtils.getLength(toArr) == 1) { mimeMessageHelper.setTo(toArr[0]); } else { mimeMessageHelper.setTo(toArr); } mimeMessageHelper.setFrom(userName); mimeMessage.setSubject(subject); mimeMessageHelper.setText(text, true); if (Objects.nonNull(file)) { FileSystemResource attachFile = new FileSystemResource(file); mimeMessageHelper.addAttachment(file.getName(), attachFile); } javaMailSender.send(mimeMessage); } }