记录一次阿里云服务器 465端口发送163邮件 springboot yml配置

查看链接：https://www.cnblogs.com/east7/p/13406120.html

在Spring Boot项目中，使用org.springframework.mail.javamail.JavaMailSender发送邮件抛异常，异常信息： 

Mail server connection failed; nested exception is javax.mail.MessagingException: Got bad greeting from SMTP host: smtp.163.com, port: 465,
response: [EOF]. Failed messages: javax.mail.MessagingException: Got bad greeting from SMTP host: smtp.163.com, port: 465, response: [EOF]