问题
没事做了个定时任务,定时给自己发邮件提示某些接口获取到的信息,结果本地调试正常,发到服务器上发现都是发送邮件超时
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| 发送邮件报错:Could not connect to SMTP host: smtp.qq.com, port: 25
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解决方案
修改发送端口,阿里 和腾讯都把25 端口关闭了.发送需要使用其他端口. 465
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| properties.setProperty("mail.smtp.auth", "true"); properties.setProperty("mail.debug", "true"); properties.setProperty("mail.smtp.timeout", "1000"); properties.setProperty("mail.smtp.port", "465"); properties.setProperty("mail.smtp.socketFactory.port", "465"); properties.setProperty("mail.smtp.socketFactory.fallback", "false"); properties.setProperty("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
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| mail: host: smtp.qq.com username: xxx.com password: xxx properties: mail: smtp: post: 465 socketFactory: port: 465 fallback: false class: javax.net.ssl.SSLSocketFactory auth: true starttls: enable: true required: true
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