使用 QQ 邮箱发送邮件报错：java.net.SocketTimeoutException: Read timed out. Failed messages: javax.mail.MessagingException: Exception reading response

使用 QQ 邮箱发送邮件报错：java.net.SocketTimeoutException: Read timed out. Failed messages: javax.mail.MessagingException: Exception reading response

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处理方式

将发送的端口从 465 改为 587 即可。

修改前：

props.setProperty("mail.smtp.port", );

修改后：

props.setProperty("mail.smtp.port", );